.idea/misc.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="KubernetesApiProvider"><![CDATA[{}]]></component>
+  <component name="KubernetesApiProvider">{}</component>
   <component name="MavenProjectsManager">
     <option name="originalFiles">
       <list>

pom.xml

@@ -6,28 +6,22 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.campus</groupId>
-    <artifactId>student-attendance</artifactId>
+    <artifactId>campus-attendance</artifactId>
     <version>1.0-SNAPSHOT</version>
     <packaging>war</packaging>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.target>17</maven.compiler.target>
         <spring.version>5.3.23</spring.version>
         <mybatis.version>3.5.11</mybatis.version>
-        <mybatis.spring.version>2.1.1</mybatis.spring.version>
+        <mybatis.spring.version>2.0.7</mybatis.spring.version> <!-- 修正后的行 -->
-        <mysql.version>8.0.33</mysql.version>
-        <druid.version>1.2.15</druid.version>
-        <servlet.version>4.0.1</servlet.version>
-        <jstl.version>1.2</jstl.version>
-        <jackson.version>2.14.2</jackson.version>
-        <slf4j.version>2.0.7</slf4j.version>
-        <logback.version>1.4.7</logback.version>
     </properties>
 
+
     <dependencies>
-        <!-- Spring Framework -->
+        <!-- Spring -->
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
@@ -43,11 +37,6 @@
             <artifactId>spring-jdbc</artifactId>
             <version>${spring.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-tx</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
 
         <!-- MyBatis -->
         <dependency>
@@ -61,86 +50,73 @@
             <version>${mybatis.spring.version}</version>
         </dependency>
 
-        <!-- Database -->
+        <!-- 数据库 -->
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>${mysql.version}</version>
+            <version>8.0.33</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>druid</artifactId>
-            <version>${druid.version}</version>
+            <version>1.2.15</version>
         </dependency>
 
-        <!-- Servlet & JSP -->
+        <!-- Servlet API -->
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>${servlet.version}</version>
+            <version>4.0.1</version>
             <scope>provided</scope>
         </dependency>
-        <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>jstl</artifactId>
-            <version>${jstl.version}</version>
-        </dependency>
         <dependency>
             <groupId>javax.servlet.jsp</groupId>
             <artifactId>javax.servlet.jsp-api</artifactId>
             <version>2.3.3</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>jstl</groupId>
+            <artifactId>jstl</artifactId>
+            <version>1.2</version>
+        </dependency>
 
-        <!-- JSON Processing -->
+        <!-- JSON -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
+            <version>2.14.1</version>
-        </dependency>
-
-        <!-- Logging -->
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>${slf4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>ch.qos.logback</groupId>
-            <artifactId>logback-classic</artifactId>
-            <version>${logback.version}</version>
-        </dependency>
-
-        <!-- Testing (可选) -->
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.13.2</version>
-            <scope>test</scope>
         </dependency>
     </dependencies>
 
     <build>
-        <finalName>student-attendance</finalName>
+        <finalName>campus-attendance</finalName>
         <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.11.0</version>
-                <configuration>
-                    <source>${maven.compiler.source}</source>
-                    <target>${maven.compiler.target}</target>
-                    <encoding>${project.build.sourceEncoding}</encoding>
-                </configuration>
-            </plugin>
-
-            <!-- 用于将依赖包复制到lib目录 -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-war-plugin</artifactId>
                 <version>3.3.2</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.10.1</version>
                 <configuration>
-                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.10.1</version>
+                <configuration>
+                    <source>17</source>
+                    <target>17</target>
+                    <!-- 新增 JDK 17 编译参数 -->
+                    <compilerArgs>
+                        <arg>--enable-preview</arg>
+                    </compilerArgs>
                 </configuration>
             </plugin>
         </plugins>

readme.md

@@ -1,184 +1,35 @@
---用户表 (user)
+MySQL中创建数据库和表：
-CREATE TABLE user (
-id INT PRIMARY KEY AUTO_INCREMENT,
-username VARCHAR(50) UNIQUE NOT NULL,
-password VARCHAR(100) NOT NULL,
-role ENUM('ADMIN', 'TEACHER', 'STUDENT') NOT NULL,
-created_time DATETIME DEFAULT CURRENT_TIMESTAMP,
-updated_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
-);
---老师表 (teacher)
-CREATE TABLE teacher (
-id INT PRIMARY KEY AUTO_INCREMENT,
-user_id INT UNIQUE NOT NULL,
-name VARCHAR(50) NOT NULL,
-teacher_id VARCHAR(20) UNIQUE NOT NULL,
-department VARCHAR(100),
-title VARCHAR(50),
-create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
-update_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-FOREIGN KEY (user_id) REFERENCES user(id) ON DELETE CASCADE
-);
 
---学生表 (student)
+sql
+-- 创建数据库
+CREATE DATABASE campus_attendance DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+USE campus_attendance;
+
+-- 创建学生表
 CREATE TABLE student (
 id INT PRIMARY KEY AUTO_INCREMENT,
-user_id INT UNIQUE NOT NULL,
 name VARCHAR(50) NOT NULL,
-student_id VARCHAR(20) UNIQUE NOT NULL,
+student_id VARCHAR(20) NOT NULL UNIQUE,
-class_name VARCHAR(50),
+class VARCHAR(50),
-major VARCHAR(100),
+major VARCHAR(100)
-create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
-update_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-FOREIGN KEY (user_id) REFERENCES user(id) ON DELETE CASCADE
 );
 
---课程表 (course)
+-- 创建用户表
-CREATE TABLE course (
+CREATE TABLE user (
 id INT PRIMARY KEY AUTO_INCREMENT,
-course_name VARCHAR(100) NOT NULL,
+username VARCHAR(50) NOT NULL UNIQUE,
-course_code VARCHAR(20) UNIQUE NOT NULL,
+password VARCHAR(100) NOT NULL,
-teacher_id INT NOT NULL,
+role VARCHAR(20) NOT NULL
-description TEXT,
-create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
-FOREIGN KEY (teacher_id) REFERENCES teacher(id) ON DELETE CASCADE
 );
 
---学生-课程关联表 (student_course)
+-- 插入测试数据
-CREATE TABLE student_course (
+INSERT INTO student (name, student_id, class, major) VALUES
-id INT PRIMARY KEY AUTO_INCREMENT,
+('张三', '2023001', '计算机1班', '计算机科学与技术'),
-student_id INT NOT NULL,
+('李四', '2023002', '软件1班', '软件工程');
-course_id INT NOT NULL,
-enroll_date DATE NOT NULL,
-status ENUM('ACTIVE', 'COMPLETED', 'DROPPED') DEFAULT 'ACTIVE',
-UNIQUE KEY uk_student_course (student_id, course_id),
-FOREIGN KEY (student_id) REFERENCES student(id) ON DELETE CASCADE,
-FOREIGN KEY (course_id) REFERENCES course(id) ON DELETE CASCADE
-);
 
---考勤记录表 (attendance_record)
-CREATE TABLE attendance_record (
-id INT PRIMARY KEY AUTO_INCREMENT,
-student_id INT NOT NULL,
-course_id INT NOT NULL,
-attendance_date DATE NOT NULL,
-attendance_time TIME NOT NULL,
-status ENUM('PRESENT', 'ABSENT', 'LATE') NOT NULL,
-remarks TEXT,
-created_by INT NOT NULL, -- 记录创建者（老师ID）
-create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
-updated_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-UNIQUE KEY uk_student_course_date (student_id, course_id, attendance_date),
-FOREIGN KEY (student_id) REFERENCES student(id) ON DELETE CASCADE,
-FOREIGN KEY (course_id) REFERENCES course(id) ON DELETE CASCADE,
-FOREIGN KEY (created_by) REFERENCES teacher(id) ON DELETE CASCADE
-);
-
-老师-学生管理关系表 (teacher_student)
-CREATE TABLE teacher_student (
-id INT PRIMARY KEY AUTO_INCREMENT,
-teacher_id INT NOT NULL,
-student_id INT NOT NULL,
-relationship_type ENUM('ADVISOR', 'INSTRUCTOR') NOT NULL,
-start_date DATE NOT NULL,
-end_date DATE,
-UNIQUE KEY uk_teacher_student (teacher_id, student_id, relationship_type),
-FOREIGN KEY (teacher_id) REFERENCES teacher(id) ON DELETE CASCADE,
-FOREIGN KEY (student_id) REFERENCES student(id) ON DELETE CASCADE
-);
-
---系统日志表 (system_log)
-CREATE TABLE system_log (
-id INT PRIMARY KEY AUTO_INCREMENT,
-user_id INT NOT NULL,
-action VARCHAR(100) NOT NULL,
-target_type VARCHAR(50) NOT NULL,
-target_id INT,
-description TEXT,
-ip_address VARCHAR(45),
-create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
-FOREIGN KEY (user_id) REFERENCES user(id)
-);
-
--- 以下是插入的数据
 INSERT INTO user (username, password, role) VALUES
 ('admin', 'admin123', 'ADMIN'),
-('teacher1', 'teacher123', 'TEACHER'),
+('teacher1', 'teacher123', 'TEACHER');
-('teacher2', 'teacher456', 'TEACHER'),
-('student1', 'student123', 'STUDENT'),
-('student2', 'student456', 'STUDENT'),
-('student3', 'student789', 'STUDENT'),
-('student4', 'student000', 'STUDENT');
 
 
-INSERT INTO teacher (user_id, name, teacher_id, department, title) VALUES
+![img.png](img.png)
-(2, '张老师', 'T001', '计算机科学系', '副教授'),
-(3, '李老师', 'T002', '软件工程系', '讲师');
-
-INSERT INTO student (user_id, name, student_id, class_name, major) VALUES
-(4, '张三', 'S2024001', '计算机1班', '计算机科学与技术'),
-(5, '李四', 'S2024002', '计算机1班', '计算机科学与技术'),
-(6, '王五', 'S2024003', '软件工程1班', '软件工程'),
-(7, '赵六', 'S2024004', '软件工程1班', '软件工程');
-
-INSERT INTO course (course_name, course_code, teacher_id, description) VALUES
-('Java程序设计', 'CS001', 1, 'Java语言基础与面向对象编程'),
-('数据库原理', 'CS002', 1, '数据库系统原理与应用'),
-('Web开发技术', 'SE001', 2, '前端与后端Web开发技术'),
-('软件工程', 'SE002', 2, '软件开发流程与方法论');
-
-INSERT INTO student_course (student_id, course_id, enroll_date, status) VALUES
--- 张三选课
-(1, 1, '2024-09-01', 'ACTIVE'),
-(1, 2, '2024-09-01', 'ACTIVE'),
--- 李四选课
-(2, 1, '2024-09-01', 'ACTIVE'),
-(2, 3, '2024-09-01', 'ACTIVE'),
--- 王五选课
-(3, 3, '2024-09-01', 'ACTIVE'),
-(3, 4, '2024-09-01', 'ACTIVE'),
--- 赵六选课
-(4, 2, '2024-09-01', 'ACTIVE'),
-(4, 4, '2024-09-01', 'ACTIVE');
-
-INSERT INTO attendance_record (student_id, course_id, attendance_date, attendance_time, status, remarks, created_by) VALUES
--- Java程序设计考勤记录
-(1, 1, '2024-10-01', '08:30:00', 'PRESENT', '按时到课', 1),
-(2, 1, '2024-10-01', '08:45:00', 'LATE', '迟到15分钟', 1),
-(1, 1, '2024-10-08', '08:30:00', 'PRESENT', '', 1),
-(2, 1, '2024-10-08', '08:30:00', 'ABSENT', '请假', 1),
-
--- 数据库原理考勤记录
-(1, 2, '2024-10-02', '10:00:00', 'PRESENT', '', 1),
-(4, 2, '2024-10-02', '10:00:00', 'PRESENT', '', 1),
-
--- Web开发技术考勤记录
-(2, 3, '2024-10-03', '14:00:00', 'PRESENT', '', 2),
-(3, 3, '2024-10-03', '14:10:00', 'LATE', '交通堵塞', 2),
-
--- 软件工程考勤记录
-(3, 4, '2024-10-04', '16:00:00', 'PRESENT', '', 2),
-(4, 4, '2024-10-04', '16:00:00', 'PRESENT', '', 2);
-
-
-INSERT INTO teacher_student (teacher_id, student_id, relationship_type, start_date) VALUES
--- 张老师管理计算机1班学生
-(1, 1, 'ADVISOR', '2024-09-01'),
-(1, 2, 'ADVISOR', '2024-09-01'),
--- 李老师管理软件工程1班学生
-(2, 3, 'ADVISOR', '2024-09-01'),
-(2, 4, 'ADVISOR', '2024-09-01'),
--- 授课关系
-(1, 1, 'INSTRUCTOR', '2024-09-01'),
-(1, 2, 'INSTRUCTOR', '2024-09-01'),
-(1, 4, 'INSTRUCTOR', '2024-09-01'),
-(2, 2, 'INSTRUCTOR', '2024-09-01'),
-(2, 3, 'INSTRUCTOR', '2024-09-01'),
-(2, 4, 'INSTRUCTOR', '2024-09-01');
-
-INSERT INTO system_log (user_id, action, target_type, target_id, description, ip_address) VALUES
-(1, 'LOGIN', 'SYSTEM', NULL, '管理员登录系统', '192.168.1.100'),
-(2, 'CREATE', 'ATTENDANCE', 1, '创建考勤记录', '192.168.1.101'),
-(2, 'UPDATE', 'ATTENDANCE', 2, '更新考勤状态', '192.168.1.101'),
-(3, 'CREATE', 'COURSE', 3, '创建新课程', '192.168.1.102'),
-(1, 'DELETE', 'USER', 5, '删除用户', '192.168.1.100');

src/main/java/com/campus/controller/AttendanceController.java

@@ -1,206 +0,0 @@
-// com/campus/controller/AttendanceController.java
-package com.campus.controller;
-
-import com.campus.entity.AttendanceRecord;
-import com.campus.entity.User;
-import com.campus.service.AttendanceService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.format.annotation.DateTimeFormat;
-import org.springframework.web.bind.annotation.*;
-
-import javax.servlet.http.HttpSession;
-import java.util.*;
-
-@RestController
-@RequestMapping("/api/attendance")
-public class AttendanceController {
-
-    @Autowired
-    private AttendanceService attendanceService;
-
-    /**
-     * 记录考勤（教师使用）
-     */
-    @PostMapping("/record")
-    public Map<String, Object> recordAttendance(@RequestBody Map<String, Object> params,  // 改为Object类型
-                                                HttpSession session) {
-        Map<String, Object> result = new HashMap<>();
-
-        // 检查用户是否登录且为教师
-        User user = (User) session.getAttribute("currentUser");
-        if (user == null) {
-            result.put("success", false);
-            result.put("message", "请先登录");
-            return result;
-        }
-
-        if (!"TEACHER".equals(user.getRole()) && !"ADMIN".equals(user.getRole())) {
-            result.put("success", false);
-            result.put("message", "只有教师和管理员可以记录考勤");
-            return result;
-        }
-
-        try {
-            // 类型转换处理
-            Integer studentId = null;
-            Integer courseId = null;
-
-            try {
-                studentId = Integer.parseInt(params.get("studentId").toString());
-                courseId = Integer.parseInt(params.get("courseId").toString());
-            } catch (NumberFormatException e) {
-                result.put("success", false);
-                result.put("message", "学生ID或课程ID格式错误");
-                return result;
-            }
-
-            String status = (String) params.get("status");
-
-            if (studentId == null || courseId == null || status == null) {
-                result.put("success", false);
-                result.put("message", "参数不完整");
-                return result;
-            }
-
-            AttendanceRecord record = new AttendanceRecord();
-            record.setStudentId(studentId);  // 使用Integer类型
-            record.setCourseId(courseId);    // 使用courseId
-            record.setAttendanceDate(new Date());
-            record.setStatus(status);
-            record.setRemarks((String) params.get("remarks"));
-            record.setCreatedBy(user.getId());  // 使用用户ID而不是用户名
-
-            boolean success = attendanceService.recordAttendance(record);
-
-            if (success) {
-                result.put("success", true);
-                result.put("message", "考勤记录成功");
-            } else {
-                result.put("success", false);
-                result.put("message", "考勤记录失败");
-            }
-        } catch (Exception e) {
-            result.put("success", false);
-            result.put("message", e.getMessage());
-        }
-
-        return result;
-    }
-
-    /**
-     * 补签考勤（教师使用）
-     */
-    @PostMapping("/makeup")
-    public Map<String, Object> makeupAttendance(@RequestBody Map<String, Object> params,  // 改为Object类型
-                                                HttpSession session) {
-        Map<String, Object> result = new HashMap<>();
-
-        User user = (User) session.getAttribute("currentUser");
-        if (user == null || !"TEACHER".equals(user.getRole())) {
-            result.put("success", false);
-            result.put("message", "只有教师可以进行补签");
-            return result;
-        }
-
-        try {
-            AttendanceRecord record = new AttendanceRecord();
-
-            // 类型转换处理
-            Integer studentId = Integer.parseInt(params.get("studentId").toString());
-            Integer courseId = Integer.parseInt(params.get("courseId").toString());
-
-            record.setStudentId(studentId);
-            record.setCourseId(courseId);
-            record.setStatus((String) params.get("status"));
-            record.setRemarks((String) params.get("remarks"));
-            record.setCreatedBy(user.getId());  // 使用用户ID
-
-            // 解析日期
-            String dateStr = (String) params.get("attendanceDate");
-            if (dateStr != null) {
-                record.setAttendanceDate(new Date(Long.parseLong(dateStr)));
-            } else {
-                record.setAttendanceDate(new Date());
-            }
-
-            boolean success = attendanceService.makeUpAttendance(record);
-
-            if (success) {
-                result.put("success", true);
-                result.put("message", "补签成功");
-            } else {
-                result.put("success", false);
-                result.put("message", "补签失败");
-            }
-        } catch (Exception e) {
-            result.put("success", false);
-            result.put("message", e.getMessage());
-        }
-
-        return result;
-    }
-
-    /**
-     * 获取我的考勤记录（学生使用）
-     */
-    @GetMapping("/my")
-    public Map<String, Object> getMyAttendance(HttpSession session) {
-        Map<String, Object> result = new HashMap<>();
-
-        User user = (User) session.getAttribute("currentUser");
-        if (user == null) {
-            result.put("success", false);
-            result.put("message", "请先登录");
-            return result;
-        }
-
-        if ("STUDENT".equals(user.getRole())) {
-            // 需要建立User和Student的关联，这里假设可以通过用户ID查询学生ID
-            // 实际实现需要在service层处理
-            List<AttendanceRecord> records = attendanceService.getAttendanceByStudentId(user.getId());
-            result.put("success", true);
-            result.put("records", records);
-        } else {
-            result.put("success", false);
-            result.put("message", "只有学生可以查看个人考勤");
-        }
-
-        return result;
-    }
-
-    /**
-     * 查询考勤记录（教师/管理员使用）
-     */
-    @GetMapping("/query")
-    public Map<String, Object> queryAttendance(
-            @RequestParam(required = false) Integer studentId,  // 改为Integer类型
-            @RequestParam(required = false) @DateTimeFormat(pattern = "yyyy-MM-dd") Date date,
-            HttpSession session) {
-
-        Map<String, Object> result = new HashMap<>();
-
-        User user = (User) session.getAttribute("currentUser");
-        if (user == null || (!"TEACHER".equals(user.getRole()) && !"ADMIN".equals(user.getRole()))) {
-            result.put("success", false);
-            result.put("message", "权限不足");
-            return result;
-        }
-
-        List<AttendanceRecord> records;
-
-        if (studentId != null) {
-            records = attendanceService.getAttendanceByStudentId(studentId);
-        } else if (date != null) {
-            records = attendanceService.getAttendanceByDate(date);
-        } else {
-            // 默认查询今天的考勤
-            records = attendanceService.getAttendanceByDate(new Date());
-        }
-
-        result.put("success", true);
-        result.put("records", records);
-        return result;
-    }
-
-    // 其他方法保持不变...
-}

src/main/java/com/campus/controller/PageController.java

@@ -1,13 +1,8 @@
-// com/campus/controller/PageController.java
 package com.campus.controller;
 
-import com.campus.entity.User;
 import org.springframework.stereotype.Controller;
-import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 
-import javax.servlet.http.HttpSession;
-
 @Controller
 public class PageController {
 
@@ -20,44 +15,4 @@ public class PageController {
     public String studentList() {
         return "student_list";
     }
-
-    @GetMapping("/login")
-    public String login() {
-        return "login";
-    }
-
-    @GetMapping("/register")
-    public String register() {
-        return "register";
-    }
-
-    @GetMapping("/admin")
-    public String adminPage(HttpSession session, Model model) {
-        User user = (User) session.getAttribute("currentUser");
-        if (user == null || !"ADMIN".equals(user.getRole())) {
-            return "redirect:/login";
-        }
-        model.addAttribute("user", user);
-        return "admin";
-    }
-
-    @GetMapping("/teacher")
-    public String teacherPage(HttpSession session, Model model) {
-        User user = (User) session.getAttribute("currentUser");
-        if (user == null || !"TEACHER".equals(user.getRole())) {
-            return "redirect:/login";
-        }
-        model.addAttribute("user", user);
-        return "teacher";
-    }
-
-    @GetMapping("/student")
-    public String studentPage(HttpSession session, Model model) {
-        User user = (User) session.getAttribute("currentUser");
-        if (user == null || !"STUDENT".equals(user.getRole())) {
-            return "redirect:/login";
-        }
-        model.addAttribute("user", user);
-        return "student";
-    }
 }

src/main/java/com/campus/controller/StudentController.java

@@ -1,4 +1,3 @@
-// com/campus/controller/StudentController.java
 package com.campus.controller;
 
 import com.campus.entity.Student;
@@ -6,10 +5,9 @@ import com.campus.service.StudentService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
+// StudentController.java
 @RestController
 @RequestMapping("/student")
 public class StudentController {
@@ -21,67 +19,9 @@ public class StudentController {
         return studentService.listAll();
     }
 
-    @GetMapping("/{studentId}")
-    public Map<String, Object> getByStudentId(@PathVariable Integer studentId) {
-        Map<String, Object> result = new HashMap<>();
-        Student student = studentService.getByStudentId(studentId);
-
-        if (student != null) {
-            result.put("success", true);
-            result.put("student", student);
-        } else {
-            result.put("success", false);
-            result.put("message", "学生不存在");
-        }
-
-        return result;
-    }
-
     @PostMapping("/add")
-    public Map<String, Object> add(@RequestBody Student student) {
+    public String add(@RequestBody Student student) {
-        Map<String, Object> result = new HashMap<>();
+        studentService.add(student);
-
+        return "success";
-        try {
-            studentService.add(student);
-            result.put("success", true);
-            result.put("message", "添加成功");
-        } catch (Exception e) {
-            result.put("success", false);
-            result.put("message", "添加失败：" + e.getMessage());
-        }
-
-        return result;
-    }
-
-    @PutMapping("/update")
-    public Map<String, Object> update(@RequestBody Student student) {
-        Map<String, Object> result = new HashMap<>();
-
-        try {
-            studentService.update(student);
-            result.put("success", true);
-            result.put("message", "更新成功");
-        } catch (Exception e) {
-            result.put("success", false);
-            result.put("message", "更新失败：" + e.getMessage());
-        }
-
-        return result;
-    }
-
-    @DeleteMapping("/delete/{id}")
-    public Map<String, Object> delete(@PathVariable Integer id) {
-        Map<String, Object> result = new HashMap<>();
-
-        try {
-            studentService.delete(id);
-            result.put("success", true);
-            result.put("message", "删除成功");
-        } catch (Exception e) {
-            result.put("success", false);
-            result.put("message", "删除失败：" + e.getMessage());
-        }
-
-        return result;
     }
 }

src/main/java/com/campus/controller/UserController.java

@@ -1,141 +0,0 @@
-// com/campus/controller/UserController.java
-package com.campus.controller;
-
-import com.campus.entity.User;
-import com.campus.service.UserService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.util.DigestUtils;
-import org.springframework.web.bind.annotation.*;
-
-import javax.servlet.http.HttpSession;
-import java.util.HashMap;
-import java.util.Map;
-
-@RestController
-@RequestMapping("/api/user")
-public class UserController {
-
-    @Autowired
-    private UserService userService;
-
-    /**
-     * 登录 - 使用POST方法
-     */
-    @PostMapping("/login")
-    public Map<String, Object> login(@RequestBody Map<String, String> params, HttpSession session) {
-        Map<String, Object> result = new HashMap<>();
-
-        String username = params.get("username");
-        String password = params.get("password");
-
-        if (username == null || username.trim().isEmpty() ||
-                password == null || password.trim().isEmpty()) {
-            result.put("success", false);
-            result.put("message", "用户名和密码不能为空");
-            return result;
-        }
-
-        User loginUser = userService.login(username, password);
-
-        if (loginUser != null) {
-            // 存储用户信息到session（移除密码）
-            User sessionUser = new User();
-            sessionUser.setId(loginUser.getId());
-            sessionUser.setUsername(loginUser.getUsername());
-            sessionUser.setRole(loginUser.getRole());
-            session.setAttribute("currentUser", sessionUser);
-
-            result.put("success", true);
-            result.put("message", "登录成功");
-            result.put("role", loginUser.getRole());
-            result.put("userId", loginUser.getId());
-        } else {
-            result.put("success", false);
-            result.put("message", "用户名或密码错误");
-        }
-        return result;
-    }
-
-    /**
-     * 注册 - 使用POST方法
-     */
-    @PostMapping("/register")
-    public Map<String, Object> register(@RequestBody Map<String, String> params) {
-        Map<String, Object> result = new HashMap<>();
-
-        String username = params.get("username");
-        String password = params.get("password");
-        String role = params.get("role");
-
-        // 验证参数
-        if (username == null || username.trim().isEmpty()) {
-            result.put("success", false);
-            result.put("message", "用户名不能为空");
-            return result;
-        }
-
-        if (password == null || password.trim().isEmpty()) {
-            result.put("success", false);
-            result.put("message", "密码不能为空");
-            return result;
-        }
-
-        if (role == null) {
-            role = "STUDENT"; // 默认角色为学生
-        }
-
-        // 验证角色是否合法
-        if (!"ADMIN".equals(role) && !"TEACHER".equals(role) && !"STUDENT".equals(role)) {
-            result.put("success", false);
-            result.put("message", "角色必须是ADMIN、TEACHER或STUDENT");
-            return result;
-        }
-
-        // 创建用户对象
-        User user = new User();
-        user.setUsername(username);
-        user.setPassword(password); // Service层会加密
-        user.setRole(role);
-
-        boolean success = userService.register(user);
-
-        if (success) {
-            result.put("success", true);
-            result.put("message", "注册成功");
-        } else {
-            result.put("success", false);
-            result.put("message", "用户名已存在");
-        }
-        return result;
-    }
-
-    /**
-     * 退出登录
-     */
-    @PostMapping("/logout")
-    public Map<String, Object> logout(HttpSession session) {
-        Map<String, Object> result = new HashMap<>();
-        session.invalidate();
-        result.put("success", true);
-        result.put("message", "退出成功");
-        return result;
-    }
-
-    /**
-     * 获取当前登录用户信息
-     */
-    @GetMapping("/current")
-    public Map<String, Object> getCurrentUser(HttpSession session) {
-        Map<String, Object> result = new HashMap<>();
-        User user = (User) session.getAttribute("currentUser");
-
-        if (user != null) {
-            result.put("success", true);
-            result.put("user", user);
-        } else {
-            result.put("success", false);
-            result.put("message", "未登录");
-        }
-        return result;
-    }
-}

src/main/java/com/campus/entity/AttendanceRecord.java

@@ -1,50 +0,0 @@
-// com/campus/entity/AttendanceRecord.java
-package com.campus.entity;
-
-import java.util.Date;
-
-public class AttendanceRecord {
-    private Integer id;
-    private Integer studentId;
-    private Integer courseID;
-    private Date attendanceDate;
-    private Date attendanceTime;
-    private String status; // PRESENT/ABSENT/LATE
-    private String remarks;
-    private Integer createdBy;
-    private Date createTime;
-
-    // 添加关联对象（用于查询显示）
-//    private Student student;
-//    private Course course;
-//    private Teacher teacher;
-
-    // getters and setters
-    public Integer getId() { return id; }
-    public void setId(Integer id) { this.id = id; }
-
-    public Integer getStudentId() { return studentId; }
-    public void setStudentId(Integer studentId) { this.studentId = studentId; }
-
-    public Integer getCourseId() { return courseID; }
-    public void setCourseId(Integer courseID) { this.courseID = courseID; }
-
-    public Date getAttendanceDate() { return attendanceDate; }
-    public void setAttendanceDate(Date attendanceDate) { this.attendanceDate = attendanceDate; }
-
-    public Date getAttendanceTime() { return attendanceTime; }
-    public void setAttendanceTime(Date attendanceTime) { this.attendanceTime = attendanceTime; }
-
-    public String getStatus() { return status; }
-    public void setStatus(String status) { this.status = status; }
-
-    public String getRemarks() { return remarks; }
-    public void setRemarks(String remarks) { this.remarks = remarks; }
-
-    public Integer getCreatedBy() { return createdBy; }
-    public void setCreatedBy(Integer createdBy) { this.createdBy = createdBy; }
-
-    public Date getCreateTime() { return createTime; }
-    public void setCreateTime(Date createTime) { this.createTime = createTime; }
-
-}

src/main/java/com/campus/entity/Course.java

@@ -1,26 +0,0 @@
-// com/campus/entity/Course.java
-package com.campus.entity;
-
-public class Course {
-    private Integer id;
-    private String courseName;
-    private String courseCode;
-    private Integer teacherId;
-    private String description;
-
-    // getters and setters
-    public Integer getId() { return id; }
-    public void setId(Integer id) { this.id = id; }
-
-    public String getCourseName() { return courseName; }
-    public void setCourseName(String courseName) { this.courseName = courseName; }
-
-    public String getCourseCode() { return courseCode; }
-    public void setCourseCode(String courseCode) { this.courseCode = courseCode; }
-
-    public Integer getTeacherId() { return teacherId; }
-    public void setTeacherId(Integer teacherId) { this.teacherId = teacherId; }
-
-    public String getDescription() { return description; }
-    public void setDescription(String description) { this.description = description; }
-}

src/main/java/com/campus/entity/Student.java

@@ -6,7 +6,6 @@ public class Student {
     private String studentId;
     private String class_;
     private String major;
-    private Integer userId;
 
     public Integer getId() {
         return id;

src/main/java/com/campus/entity/Teacher.java

@@ -1,95 +0,0 @@
-package com.campus.entity;
-
-
-import java.time.LocalDateTime;
-
-public class Teacher {
-
-    private Integer id;
-    private String name;
-    private String teacherId;
-    private String department;
-    private String title;
-    private LocalDateTime createTime;
-    private LocalDateTime updateTime;
-
-    public Teacher() {
-    }
-
-    // 全参构造方法
-    public Teacher(Integer id, String name, String teacherId, String department, String title) {
-        this.id = id;
-        this.name = name;
-        this.teacherId = teacherId;
-        this.department = department;
-        this.title = title;
-    }
-
-    // Getter 和 Setter 方法
-    public Integer getId() {
-        return id;
-    }
-
-    public void setId(Integer id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getTeacherId() {
-        return teacherId;
-    }
-
-    public void setTeacherId(String teacherId) {
-        this.teacherId = teacherId;
-    }
-
-    public String getDepartment() {
-        return department;
-    }
-
-    public void setDepartment(String department) {
-        this.department = department;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public LocalDateTime getCreateTime() {
-        return createTime;
-    }
-
-    public void setCreateTime(LocalDateTime createTime) {
-        this.createTime = createTime;
-    }
-
-    public LocalDateTime getUpdateTime() {
-        return updateTime;
-    }
-
-    public void setUpdateTime(LocalDateTime updateTime) {
-        this.updateTime = updateTime;
-    }
-
-    @Override
-    public String toString() {
-        return "Teacher{" +
-                "id=" + id +
-                ", name='" + name + '\'' +
-                ", teacherId='" + teacherId + '\'' +
-                ", department='" + department + '\'' +
-                ", title='" + title + '\'' +
-                '}';
-    }
-}

src/main/java/com/campus/entity/User.java

@@ -1,29 +1,41 @@
-// com/campus/entity/User.java
 package com.campus.entity;
 
+// User.java
 public class User {
     private Integer id;
     private String username;
     private String password;
     private String role; // ADMIN/TEACHER/STUDENT
-    private Integer studentId;  // 如果是学生角色，关联学生ID
-    private Integer teacherId;  // 如果是教师角色，关联教师ID
-    // 新增构造方法
-    public User() {}
 
-    public User(String username, String password, String role) {
+    public Integer getId() {
-        this.username = username;
+        return id;
-        this.password = password;
-        this.role = role;
     }
 
-    // 已有的getter和setter方法...
+    public void setId(Integer id) {
-    public Integer getId() { return id; }
+        this.id = id;
-    public void setId(Integer id) { this.id = id; }
+    }
-    public String getUsername() { return username; }
+
-    public void setUsername(String username) { this.username = username; }
+    public String getUsername() {
-    public String getPassword() { return password; }
+        return username;
-    public void setPassword(String password) { this.password = password; }
+    }
-    public String getRole() { return role; }
+
-    public void setRole(String role) { this.role = role; }
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getRole() {
+        return role;
+    }
+
+    public void setRole(String role) {
+        this.role = role;
+    }
 }

src/main/java/com/campus/interceptor/AuthInterceptor.java

@@ -1,61 +0,0 @@
-// com/campus/interceptor/AuthInterceptor.java
-package com.campus.interceptor;
-
-import com.campus.entity.User;
-import org.springframework.web.servlet.HandlerInterceptor;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
-import java.io.PrintWriter;
-
-public class AuthInterceptor implements HandlerInterceptor {
-
-    @Override
-    public boolean preHandle(HttpServletRequest request,
-                             HttpServletResponse response,
-                             Object handler) throws Exception {
-
-        String requestURI = request.getRequestURI();
-
-        // 公共接口，不需要登录
-        if (requestURI.contains("/api/user/login") ||
-                requestURI.contains("/api/user/register") ||
-                requestURI.contains("/static/") ||
-                requestURI.startsWith("/error")) {
-            return true;
-        }
-
-        // API接口需要登录
-        if (requestURI.startsWith("/api/")) {
-            HttpSession session = request.getSession(false);
-            if (session == null || session.getAttribute("currentUser") == null) {
-                // 未登录，返回JSON格式错误信息
-                response.setContentType("application/json;charset=UTF-8");
-                PrintWriter out = response.getWriter();
-                out.write("{\"success\":false,\"message\":\"请先登录\",\"code\":401}");
-                out.flush();
-                return false;
-            }
-
-            // 权限验证（简单版）
-            User user = (User) session.getAttribute("currentUser");
-            String role = user.getRole();
-
-            // 学生只能访问特定接口
-            if ("STUDENT".equals(role)) {
-                if (!requestURI.contains("/api/attendance/my") &&
-                        !requestURI.contains("/api/user/current") &&
-                        !requestURI.contains("/api/user/logout")) {
-                    response.setContentType("application/json;charset=UTF-8");
-                    PrintWriter out = response.getWriter();
-                    out.write("{\"success\":false,\"message\":\"权限不足\",\"code\":403}");
-                    out.flush();
-                    return false;
-                }
-            }
-        }
-
-        return true;
-    }
-}

src/main/java/com/campus/mapper/AttendanceMapper.java

@@ -1,38 +0,0 @@
-package com.campus.mapper;
-
-import com.campus.entity.AttendanceRecord;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
-
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-
-@Mapper
-public interface AttendanceMapper {
-
-    // 基础CRUD操作
-    int insert(AttendanceRecord record);
-    int update(AttendanceRecord record);
-    int delete(@Param("id") Integer id);
-
-    // 查询方法
-    AttendanceRecord selectById(@Param("id") Integer id);
-    List<AttendanceRecord> selectByStudentId(@Param("studentId") Integer studentId);
-    List<AttendanceRecord> selectByDate(@Param("date") Date date);
-    AttendanceRecord selectByStudentAndDate(@Param("studentId") Integer studentId,
-                                            @Param("date") Date date);
-
-    // 批量操作（新增）
-    int batchInsert(@Param("records") List<AttendanceRecord> records);
-
-    // 统计查询
-    List<Map<String, Object>> getAttendanceStatistics(@Param("startDate") Date startDate,
-                                                      @Param("endDate") Date endDate);
-    Map<String, Object> getStudentAttendanceSummary(@Param("studentId") Integer studentId);
-
-    // 分页查询（新增）
-    List<AttendanceRecord> selectByCondition(@Param("record") AttendanceRecord condition,
-                                             @Param("offset") Integer offset,
-                                             @Param("limit") Integer limit);
-}

src/main/java/com/campus/mapper/StudentMapper.java

@@ -2,23 +2,13 @@ package com.campus.mapper;
 
 import com.campus.entity.Student;
 import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
 
 @Mapper
 public interface StudentMapper {
-    // 基础CRUD
-    int insert(Student student);
-    int update(Student student);
-    int delete(@Param("id") Integer id);
-
-    // 查询方法
-    Student selectById(@Param("id") Integer id);
-    Student selectByStudentId(@Param("studentId") Integer studentId);
     List<Student> selectAll();
-
+    void insert(Student student);
-    // 条件查询（新增）
+    void update(Student student);
-    List<Student> selectByCondition(@Param("student") Student condition);
+    void delete(Integer id);
-    List<Student> selectByIds(@Param("ids") List<Integer> ids);
 }

src/main/java/com/campus/mapper/UserMapper.java

@@ -1,20 +0,0 @@
-package com.campus.mapper;
-
-import com.campus.entity.User;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
-
-@Mapper
-public interface UserMapper {
-    // 基础操作
-    int insert(User user);
-    int update(User user);
-    int delete(@Param("id") Long id);
-
-    // 查询方法
-    User selectById(@Param("id") Long id);
-    User selectByUsername(@Param("username") String username);
-
-    // 安全检查（新增）
-    User selectByUsernameForAuth(@Param("username") String username);
-}

src/main/java/com/campus/service/AttendanceService.java

@@ -1,31 +0,0 @@
-package com.campus.service;
-
-import com.campus.entity.AttendanceRecord;
-
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-
-public interface AttendanceService {
-
-    // 记录考勤
-    boolean recordAttendance(AttendanceRecord record);
-
-    // 补签考勤
-    boolean makeUpAttendance(AttendanceRecord record);
-
-    // 查询学生考勤记录 - 参数类型改为 Integer
-    List<AttendanceRecord> getAttendanceByStudentId(Integer studentId);
-
-    // 查询日期考勤记录
-    List<AttendanceRecord> getAttendanceByDate(Date date);
-
-    // 查询统计信息
-    List<Map<String, Object>> getAttendanceStatistics(Date startDate, Date endDate);
-
-    // 查询学生考勤统计 - 参数类型改为 Integer
-    Map<String, Object> getStudentAttendanceSummary(Integer studentId);
-
-    // 检查是否已考勤 - 参数类型改为 Integer
-    boolean checkAttendanceExists(Integer studentId, Date date);
-}

src/main/java/com/campus/service/StudentService.java

@@ -7,6 +7,7 @@ import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+// StudentService.java
 @Service
 public class StudentService {
     @Autowired
@@ -19,17 +20,4 @@ public class StudentService {
     public void add(Student student) {
         studentMapper.insert(student);
     }
-
-    // 参数类型改为 Integer
-    public Student getByStudentId(Integer studentId) {
-        return studentMapper.selectByStudentId(studentId);
-    }
-
-    public void update(Student student) {
-        studentMapper.update(student);
-    }
-
-    public void delete(Integer id) {
-        studentMapper.delete(id);
-    }
 }

src/main/java/com/campus/service/UserService.java

@@ -1,15 +0,0 @@
-// com/campus/service/UserService.java
-package com.campus.service;
-
-import com.campus.entity.User;
-
-public interface UserService {
-    // 登录
-    User login(String username, String password);
-
-    // 注册
-    boolean register(User user);
-
-    // 检查用户名是否已存在
-    boolean checkUsernameExists(String username);
-}

src/main/java/com/campus/service/impl/AttendanceServiceImpl.java

@@ -1,99 +0,0 @@
-package com.campus.service.impl;
-
-import com.campus.entity.AttendanceRecord;
-import com.campus.entity.Student;
-import com.campus.mapper.AttendanceMapper;
-import com.campus.mapper.StudentMapper;
-import com.campus.service.AttendanceService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-
-@Service
-public class AttendanceServiceImpl implements AttendanceService {
-
-    @Autowired
-    private AttendanceMapper attendanceMapper;
-
-    @Autowired
-    private StudentMapper studentMapper;
-
-    @Override
-    @Transactional
-    public boolean recordAttendance(AttendanceRecord record) {
-        // 验证学生是否存在 - 参数类型改为 Integer
-        Student student = studentMapper.selectByStudentId(record.getStudentId());
-
-        if (student == null) {
-            throw new RuntimeException("学生不存在，学号：" + record.getStudentId());
-        }
-
-        // 检查是否已考勤 - 参数类型改为 Integer
-        if (checkAttendanceExists(record.getStudentId(), record.getAttendanceDate())) {
-            throw new RuntimeException("该学生今天已考勤，学号：" + record.getStudentId());
-        }
-
-        // 设置创建时间
-        if (record.getAttendanceTime() == null) {
-            record.setAttendanceTime(new Date());
-        }
-
-        return attendanceMapper.insert(record) > 0;
-    }
-
-    @Override
-    @Transactional
-    public boolean makeUpAttendance(AttendanceRecord record) {
-        // 验证学生是否存在 - 参数类型改为 Integer
-        Student student = studentMapper.selectByStudentId(record.getStudentId());
-        if (student == null) {
-            throw new RuntimeException("学生不存在，学号：" + record.getStudentId());
-        }
-
-        // 检查是否已有记录 - 参数类型改为 Integer
-        AttendanceRecord existing = attendanceMapper.selectByStudentAndDate(
-                record.getStudentId(), record.getAttendanceDate());
-
-        if (existing != null) {
-            // 更新现有记录
-            existing.setStatus(record.getStatus());
-            existing.setRemarks(record.getRemarks());
-            existing.setAttendanceTime(new Date());
-            existing.setCreatedBy(record.getCreatedBy());
-            return attendanceMapper.update(existing) > 0;
-        } else {
-            // 创建新记录
-            return recordAttendance(record);
-        }
-    }
-
-    @Override
-    public List<AttendanceRecord> getAttendanceByStudentId(Integer studentId) { // 改为 Integer
-        return attendanceMapper.selectByStudentId(studentId);
-    }
-
-    @Override
-    public List<AttendanceRecord> getAttendanceByDate(Date date) {
-        return attendanceMapper.selectByDate(date);
-    }
-
-    @Override
-    public List<Map<String, Object>> getAttendanceStatistics(Date startDate, Date endDate) {
-        return attendanceMapper.getAttendanceStatistics(startDate, endDate);
-    }
-
-    @Override
-    public Map<String, Object> getStudentAttendanceSummary(Integer studentId) { // 改为 Integer
-        return attendanceMapper.getStudentAttendanceSummary(studentId);
-    }
-
-    @Override
-    public boolean checkAttendanceExists(Integer studentId, Date date) { // 改为 Integer
-        AttendanceRecord record = attendanceMapper.selectByStudentAndDate(studentId, date);
-        return record != null;
-    }
-}

src/main/java/com/campus/service/impl/UserServiceImpl.java

@@ -1,45 +0,0 @@
-// com/campus/service/impl/UserServiceImpl.java
-package com.campus.service.impl;
-
-import com.campus.entity.User;
-import com.campus.mapper.UserMapper;
-import com.campus.service.UserService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
-@Service
-public class UserServiceImpl implements UserService {
-
-    @Autowired
-    private UserMapper userMapper;
-
-    @Override
-    public User login(String username, String password) {
-        // 1. 根据用户名查询用户
-        User user = userMapper.selectByUsername(username);
-        // 2. 直接比对明文密码（作业简化版）
-        if (user != null && password.equals(user.getPassword())) {
-            return user;
-        }
-        return null;
-    }
-
-    @Override
-    public boolean register(User user) {
-        // 检查用户名是否已存在
-        if (checkUsernameExists(user.getUsername())) {
-            return false;
-        }
-        // 密码直接存明文（作业简化版）
-        // 注意：实际生产环境绝不允许这样做！
-        userMapper.insert(user);
-        return true;
-    }
-
-    @Override
-    public boolean checkUsernameExists(String username) {
-        return userMapper.selectByUsername(username) != null;
-    }
-
-    // 完全删除原来的 encryptPassword 方法
-}

src/main/resources/mapper/AttendanceMapper.xml

@@ -1,119 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<!DOCTYPE mapper
-        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
-        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.campus.mapper.AttendanceMapper">
-
-    <resultMap id="attendanceMap" type="com.campus.entity.AttendanceRecord">
-        <id property="id" column="id"/>
-        <result property="studentId" column="student_id"/>
-        <result property="courseName" column="course_name"/>
-        <result property="attendanceDate" column="attendance_date"/>
-        <result property="attendanceTime" column="attendance_time"/>
-        <result property="status" column="status"/>
-        <result property="remarks" column="remarks"/>
-        <result property="createdBy" column="created_by"/>
-        <result property="createTime" column="create_time"/>
-    </resultMap>
-
-    <insert id="insert" parameterType="com.campus.entity.AttendanceRecord" useGeneratedKeys="true" keyProperty="id">
-        INSERT INTO attendance_record(student_id, course_name, attendance_date, attendance_time, status, remarks, created_by)
-        VALUES(#{studentId}, #{courseName}, #{attendanceDate}, #{attendanceTime}, #{status}, #{remarks}, #{createdBy})
-    </insert>
-
-    <!-- 修改参数类型为 integer -->
-    <select id="selectByStudentId" parameterType="integer" resultMap="attendanceMap">
-        SELECT * FROM attendance_record
-        WHERE student_id = #{studentId}
-        ORDER BY attendance_date DESC, attendance_time DESC
-    </select>
-
-    <select id="selectByDate" parameterType="date" resultMap="attendanceMap">
-        SELECT * FROM attendance_record
-        WHERE attendance_date = #{date}
-        ORDER BY student_id, attendance_time
-    </select>
-
-    <!-- 多参数方法不需要指定 parameterType -->
-    <select id="selectByStudentAndDate" resultMap="attendanceMap">
-        SELECT * FROM attendance_record
-        WHERE student_id = #{studentId} AND attendance_date = #{date}
-    </select>
-
-    <update id="update" parameterType="com.campus.entity.AttendanceRecord">
-        UPDATE attendance_record
-        SET status = #{status},
-            remarks = #{remarks},
-            attendance_time = #{attendanceTime},
-            created_by = #{createdBy}
-        WHERE id = #{id}
-    </update>
-
-    <delete id="delete" parameterType="int">
-        DELETE FROM attendance_record WHERE id = #{id}
-    </delete>
-
-    <!-- 新增：selectById 方法 -->
-    <select id="selectById" parameterType="int" resultMap="attendanceMap">
-        SELECT * FROM attendance_record WHERE id = #{id}
-    </select>
-
-    <!-- 新增：batchInsert 方法 -->
-    <insert id="batchInsert" parameterType="list">
-        INSERT INTO attendance_record(student_id, course_name, attendance_date, attendance_time, status, remarks, created_by)
-        VALUES
-        <foreach collection="records" item="record" separator=",">
-            (#{record.studentId}, #{record.courseName}, #{record.attendanceDate}, #{record.attendanceTime}, #{record.status}, #{record.remarks}, #{record.createdBy})
-        </foreach>
-    </insert>
-
-    <!-- 新增：selectByCondition 方法 -->
-    <select id="selectByCondition" resultMap="attendanceMap">
-        SELECT * FROM attendance_record
-        <where>
-            <if test="record.studentId != null">
-                AND student_id = #{record.studentId}
-            </if>
-            <if test="record.courseName != null and record.courseName != ''">
-                AND course_name = #{record.courseName}
-            </if>
-            <if test="record.attendanceDate != null">
-                AND attendance_date = #{record.attendanceDate}
-            </if>
-            <if test="record.status != null and record.status != ''">
-                AND status = #{record.status}
-            </if>
-        </where>
-        ORDER BY attendance_date DESC, attendance_time DESC
-        <if test="limit != null and offset != null">
-            LIMIT #{offset}, #{limit}
-        </if>
-    </select>
-
-    <select id="getAttendanceStatistics" resultType="map">
-        SELECT
-            attendance_date as date,
-            COUNT(*) as total,
-            SUM(CASE WHEN status = 'PRESENT' THEN 1 ELSE 0 END) as present,
-            SUM(CASE WHEN status = 'ABSENT' THEN 1 ELSE 0 END) as absent,
-            SUM(CASE WHEN status = 'LATE' THEN 1 ELSE 0 END) as late
-        FROM attendance_record
-        WHERE attendance_date BETWEEN #{startDate} AND #{endDate}
-        GROUP BY attendance_date
-        ORDER BY attendance_date DESC
-    </select>
-
-    <!-- 这个方法的参数类型保持为 string -->
-    <select id="getStudentAttendanceSummary" parameterType="string" resultType="map">
-        SELECT
-            student_id,
-            COUNT(*) as totalCount,
-            SUM(CASE WHEN status = 'PRESENT' THEN 1 ELSE 0 END) as presentCount,
-            SUM(CASE WHEN status = 'ABSENT' THEN 1 ELSE 0 END) as absentCount,
-            SUM(CASE WHEN status = 'LATE' THEN 1 ELSE 0 END) as lateCount,
-            ROUND(SUM(CASE WHEN status = 'PRESENT' THEN 1 ELSE 0 END) * 100.0 / COUNT(*), 2) as attendanceRate
-        FROM attendance_record
-        WHERE student_id = #{studentId}
-    </select>
-
-</mapper>

src/main/resources/mapper/StudentMapper.xml

@@ -3,39 +3,20 @@
         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.campus.mapper.StudentMapper">
-
+    <select id="selectAll" resultType="com.campus.entity.Student">
-    <resultMap id="studentMap" type="com.campus.entity.Student">
-        <id property="id" column="id"/>
-        <result property="name" column="name"/>
-        <result property="studentId" column="student_id"/>
-        <result property="class_" column="class"/>
-        <result property="major" column="major"/>
-    </resultMap>
-
-    <select id="selectAll" resultMap="studentMap">
         SELECT * FROM student
     </select>
-
+    <!-- 修改 insert 和 update 语句中的 class 字段 -->
-    <select id="selectByStudentId" parameterType="string" resultMap="studentMap">
+    <insert id="insert" parameterType="com.campus.entity.Student">
-        SELECT * FROM student WHERE student_id = #{studentId}
+        INSERT INTO student(name, student_id, `class`, major)  <!-- 新增反引号 -->
-    </select>
-
-    <insert id="insert" parameterType="com.campus.entity.Student" useGeneratedKeys="true" keyProperty="id">
-        INSERT INTO student(name, student_id, `class`, major)
         VALUES(#{name}, #{studentId}, #{class_}, #{major})
     </insert>
-
     <update id="update" parameterType="com.campus.entity.Student">
         UPDATE student
-        SET name = #{name},
+        SET name = #{name}, student_id = #{studentId}, `class` = #{class_}, major = #{major}  <!-- 新增反引号 -->
-            student_id = #{studentId},
-            `class` = #{class_},
-            major = #{major}
         WHERE id = #{id}
     </update>
-
     <delete id="delete" parameterType="java.lang.Integer">
         DELETE FROM student WHERE id = #{id}
     </delete>
-
 </mapper>

src/main/resources/mapper/UserMapper.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<!DOCTYPE mapper
-        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
-        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.campus.mapper.UserMapper">
-
-    <resultMap id="userMap" type="com.campus.entity.User">
-        <id property="id" column="id"/>
-        <result property="username" column="username"/>
-        <result property="password" column="password"/>
-        <result property="role" column="role"/>
-    </resultMap>
-
-    <select id="selectByUsername" parameterType="string" resultMap="userMap">
-        SELECT * FROM user WHERE username = #{username}
-    </select>
-
-    <insert id="insert" parameterType="com.campus.entity.User" useGeneratedKeys="true" keyProperty="id">
-        INSERT INTO user(username, password, role)
-        VALUES(#{username}, #{password}, #{role})
-    </insert>
-
-</mapper>

src/main/resources/spring-mvc.xml

@@ -13,6 +13,7 @@
     <!-- 扫描 Controller -->
     <context:component-scan base-package="com.campus.controller"/>
 
+
     <!-- 视图解析器 -->
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <property name="prefix" value="/WEB-INF/jsp/"/>
@@ -26,26 +27,4 @@
             <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
         </mvc:message-converters>
     </mvc:annotation-driven>
-
-    <!-- 配置拦截器 -->
-    <mvc:interceptors>
-        <mvc:interceptor>
-            <mvc:mapping path="/api/**"/>
-            <bean class="com.campus.interceptor.AuthInterceptor"/>
-        </mvc:interceptor>
-    </mvc:interceptors>
-
-    <mvc:annotation-driven>
-        <mvc:message-converters>
-            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
-                <property name="supportedMediaTypes">
-                    <list>
-                        <value>text/html;charset=UTF-8</value>
-                        <value>application/json;charset=UTF-8</value>
-                    </list>
-                </property>
-            </bean>
-            <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
-        </mvc:message-converters>
-    </mvc:annotation-driven>
 </beans>

src/main/webapp/WEB-INF/jsp/admin.jsp

@@ -1,112 +0,0 @@
-<%@ page contentType="text/html;charset=UTF-8" language="java" %>
-<html>
-<head>
-    <title>管理员主页</title>
-    <script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
-    <style>
-        body { font-family: Arial, sans-serif; margin: 20px; }
-        .header { background-color: #333; color: white; padding: 10px; display: flex; justify-content: space-between; }
-        .menu { margin: 20px 0; }
-        .menu a { margin-right: 20px; text-decoration: none; color: #333; padding: 5px 10px; border: 1px solid #ccc; }
-        .menu a:hover { background-color: #f0f0f0; }
-        .content { margin-top: 20px; }
-        table { width: 100%; border-collapse: collapse; }
-        th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
-        th { background-color: #f0f0f0; }
-    </style>
-</head>
-<body>
-<div class="header">
-    <h2>学生考勤系统 - 管理员</h2>
-    <div>
-        欢迎，${user.username}（管理员） |
-        <a href="javascript:void(0)" onclick="logout()">退出</a>
-    </div>
-</div>
-
-<div class="menu">
-    <a href="javascript:void(0)" onclick="loadContent('users')">用户管理</a>
-    <a href="javascript:void(0)" onclick="loadContent('students')">学生管理</a>
-    <a href="javascript:void(0)" onclick="loadContent('attendance')">考勤统计</a>
-</div>
-
-<div id="content" class="content">
-    <h3>欢迎使用学生考勤管理系统</h3>
-    <p>请选择左侧菜单进行操作</p>
-</div>
-
-<script>
-    // 添加补零函数，兼容旧环境
-    function padZero(num) {
-        return num < 10 ? '0' + num : num;
-    }
-
-    function loadContent(type) {
-        if (type === 'students') {
-            $.get("/student/list", function(data) {
-                let html = '<h3>学生列表</h3><table><tr><th>ID</th><th>学号</th><th>姓名</th><th>班级</th><th>专业</th></tr>';
-                data.forEach(s => {
-                    html += `<tr>
-                            <td>${s.id}</td>
-                            <td>${s.studentId}</td>
-                            <td>${s.name}</td>
-                            <td>${s.class_}</td>
-                            <td>${s.major}</td>
-                        </tr>`;
-                });
-                html += '</table>';
-                $("#content").html(html);
-            });
-        } else if (type === 'attendance') {
-            $.get("/api/attendance/statistics", function(response) {
-                if (response.success) {
-                    let html = '<h3>考勤统计</h3>';
-                    if (response.statistics && response.statistics.length > 0) {
-                        html += '<table><tr><th>日期</th><th>总人数</th><th>到课</th><th>缺勤</th><th>迟到</th><th>到课率</th></tr>';
-                        response.statistics.forEach(stat => {
-                            // 使用兼容的方式格式化日期
-                            const date = new Date(stat.date);
-                            const year = date.getFullYear();
-                            const month = padZero(date.getMonth() + 1); // 月份从0开始，需要+1
-                            const day = padZero(date.getDate());
-                            const formattedDate = `${year}-${month}-${day}`;
-
-                            const rate = (stat.present * 100 / stat.total).toFixed(2);
-                            html += `<tr>
-                                    <td>${formattedDate}</td>
-                                    <td>${stat.total}</td>
-                                    <td>${stat.present}</td>
-                                    <td>${stat.absent}</td>
-                                    <td>${stat.late}</td>
-                                    <td>${rate}%</td>
-                                </tr>`;
-                        });
-                        html += '</table>';
-                    } else {
-                        html += '<p>暂无考勤数据</p>';
-                    }
-                    $("#content").html(html);
-                }
-            });
-        } else {
-            $("#content").html("<h3>用户管理</h3><p>用户管理功能开发中...</p>");
-        }
-    }
-
-    function logout() {
-        $.post("/api/user/logout", function() {
-            window.location.href = "/login";
-        });
-    }
-
-    // 页面加载时检查登录状态
-    $(function() {
-        $.get("/api/user/current", function(response) {
-            if (!response.success) {
-                window.location.href = "/login";
-            }
-        });
-    });
-</script>
-</body>
-</html>

src/main/webapp/WEB-INF/jsp/login.jsp

@@ -1,83 +0,0 @@
-<!-- WEB-INF/jsp/login.jsp -->
-<%@ page contentType="text/html;charset=UTF-8" language="java" %>
-<html>
-<head>
-  <title>登录 - 学生考勤系统</title>
-  <script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
-  <style>
-    body { font-family: Arial, sans-serif; margin: 50px; }
-    .container { max-width: 400px; margin: 0 auto; padding: 20px; border: 1px solid #ccc; border-radius: 5px; }
-    .form-group { margin-bottom: 15px; }
-    label { display: block; margin-bottom: 5px; }
-    input[type="text"], input[type="password"] { width: 100%; padding: 8px; box-sizing: border-box; }
-    button { width: 100%; padding: 10px; background-color: #4CAF50; color: white; border: none; cursor: pointer; }
-    .error { color: red; margin-top: 10px; }
-    .success { color: green; margin-top: 10px; }
-  </style>
-</head>
-<body>
-<div class="container">
-  <h2>学生考勤系统登录</h2>
-  <div class="form-group">
-    <label>用户名:</label>
-    <input type="text" id="username" placeholder="请输入用户名">
-  </div>
-  <div class="form-group">
-    <label>密码:</label>
-    <input type="password" id="password" placeholder="请输入密码">
-  </div>
-  <button onclick="login()">登录</button>
-  <button onclick="goToRegister()" style="margin-top: 10px; background-color: #2196F3;">注册</button>
-  <div id="message" class="error"></div>
-</div>
-
-<script>
-  function login() {
-    const username = $("#username").val();
-    const password = $("#password").val();
-
-    if (!username || !password) {
-      $("#message").text("用户名和密码不能为空").addClass("error").removeClass("success");
-      return;
-    }
-
-    $.ajax({
-      url: "/campus_attendance_war/api/user/login",
-      type: "POST",
-      contentType: "application/json",
-      data: JSON.stringify({username: username, password: password}),
-      success: function(response) {
-        if (response.success) {
-          $("#message").text("登录成功，正在跳转...").addClass("success").removeClass("error");
-          // 根据角色跳转到不同页面
-          if (response.role === "ADMIN") {
-            window.location.href = "/campus_attendance_war/admin";
-          } else if (response.role === "TEACHER") {
-            window.location.href = "/campus_attendance_war/teacher";
-          } else {
-            window.location.href = "/campus_attendance_war/student";
-          }
-        } else {
-          $("#message").text(response.message).addClass("error").removeClass("success");
-        }
-      },
-      error: function() {
-        $("#message").text("登录失败，请检查网络").addClass("error").removeClass("success");
-      }
-    });
-  }
-
-  function goToRegister() {
-    // 使用上下文路径拼接正确的注册页面映射路径
-    window.location.href = "${pageContext.request.contextPath}/register";
-  }
-
-  // 回车键登录
-  $("#password").keypress(function(e) {
-    if (e.which == 13) {
-      login();
-    }
-  });
-</script>
-</body>
-</html>

src/main/webapp/WEB-INF/jsp/register.jsp

@@ -1,102 +0,0 @@
-<!-- WEB-INF/jsp/register.jsp -->
-<%@ page contentType="text/html;charset=UTF-8" language="java" %>
-<html>
-<head>
-  <title>注册 - 学生考勤系统</title>
-  <script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
-  <style>
-    body { font-family: Arial, sans-serif; margin: 50px; }
-    .container { max-width: 400px; margin: 0 auto; padding: 20px; border: 1px solid #ccc; border-radius: 5px; }
-    .form-group { margin-bottom: 15px; }
-    label { display: block; margin-bottom: 5px; }
-    input[type="text"], input[type="password"], select { width: 100%; padding: 8px; box-sizing: border-box; }
-    button { width: 100%; padding: 10px; background-color: #2196F3; color: white; border: none; cursor: pointer; }
-    .error { color: red; margin-top: 10px; }
-    .success { color: green; margin-top: 10px; }
-  </style>
-</head>
-<body>
-<div class="container">
-  <h2>用户注册</h2>
-  <div class="form-group">
-    <label>用户名:</label>
-    <input type="text" id="username" placeholder="请输入用户名">
-  </div>
-  <div class="form-group">
-    <label>密码:</label>
-    <input type="password" id="password" placeholder="请输入密码（至少6位）">
-  </div>
-  <div class="form-group">
-    <label>确认密码:</label>
-    <input type="password" id="confirmPassword" placeholder="请再次输入密码">
-  </div>
-  <div class="form-group">
-    <label>角色:</label>
-    <select id="role">
-      <option value="STUDENT">学生</option>
-      <option value="TEACHER">教师</option>
-      <option value="ADMIN">管理员</option>
-    </select>
-  </div>
-  <button onclick="register()">注册</button>
-  <button onclick="goToLogin()" style="margin-top: 10px; background-color: #4CAF50;">返回登录</button>
-  <div id="message" class="error"></div>
-</div>
-
-<script>
-  function register() {
-    const username = $("#username").val();
-    const password = $("#password").val();
-    const confirmPassword = $("#confirmPassword").val();
-    const role = $("#role").val();
-
-    // 简单验证
-    if (!username || username.length < 3) {
-      $("#message").text("用户名至少3位").addClass("error").removeClass("success");
-      return;
-    }
-
-    if (!password || password.length < 6) {
-      $("#message").text("密码至少6位").addClass("error").removeClass("success");
-      return;
-    }
-
-    if (password !== confirmPassword) {
-      $("#message").text("两次密码不一致").addClass("error").removeClass("success");
-      return;
-    }
-
-    $.ajax({
-      // 正确写法：拼接上下文路径
-      url: "${pageContext.request.contextPath}/api/user/register",
-      type: "POST",
-      contentType: "application/json",
-      data: JSON.stringify({
-        username: username,
-        password: password,
-        role: role
-      }),
-      success: function(response) {
-        if (response.success) {
-          $("#message").text("注册成功，请登录").addClass("success").removeClass("error");
-          // 注册成功后跳转登录页（正确写法）
-          setTimeout(function() {
-            window.location.href = "${pageContext.request.contextPath}/login";
-          }, 2000);
-
-        } else {
-          $("#message").text(response.message).addClass("error").removeClass("success");
-        }
-      },
-      error: function() {
-        $("#message").text("注册失败，请检查网络").addClass("error").removeClass("success");
-      }
-    });
-  }
-
-  function goToLogin() {
-    window.location.href = "${pageContext.request.contextPath}/login";
-  }
-</script>
-</body>
-</html>

src/main/webapp/WEB-INF/jsp/student.jsp

@@ -1,140 +0,0 @@
-<!-- WEB-INF/jsp/student.jsp -->
-<%@ page contentType="text/html;charset=UTF-8" language="java" %>
-<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
-<html>
-<head>
-  <title>学生主页</title>
-  <script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
-  <script src="https://cdn.jsdelivr.net/npm/dayjs@1.10.7/dayjs.min.js"></script>
-  <style>
-    body { font-family: Arial, sans-serif; margin: 20px; }
-    .header { background-color: #4CAF50; color: white; padding: 10px; display: flex; justify-content: space-between; }
-    .content { margin-top: 20px; }
-    table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
-    th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
-    th { background-color: #f0f0f0; }
-    .status-present { color: green; }
-    .status-absent { color: red; }
-    .status-late { color: orange; }
-    .summary { background-color: #f9f9f9; padding: 15px; border-radius: 5px; margin-bottom: 20px; }
-    .summary-item { display: inline-block; margin-right: 30px; }
-  </style>
-</head>
-<body>
-<div class="header">
-  <h2>学生考勤系统 - 学生</h2>
-  <div>
-    欢迎，${user.username}（学生） |
-    <a href="javascript:void(0)" onclick="logout()">退出</a>
-  </div>
-</div>
-
-<div class="content">
-  <div class="summary">
-    <h3>我的考勤统计</h3>
-    <div id="summaryStats">
-      <p>加载中...</p>
-    </div>
-  </div>
-
-  <h3>我的考勤记录</h3>
-  <div id="attendanceRecords">
-    <p>加载中...</p>
-  </div>
-</div>
-
-<script>
-  $(function() {
-    loadMyAttendance();
-    loadStatistics();
-  });
-
-  function loadMyAttendance() {
-    $.get("api/attendance/my", function(response) {
-      if (response.success) {
-        let html = '';
-        if (response.records && response.records.length > 0) {
-          html += '<table><tr><th>日期</th><th>课程</th><th>时间</th><th>状态</th><th>备注</th><th>记录人</th></tr>';
-          response.records.forEach(record => {
-            const statusClass = 'status-' + record.status.toLowerCase();
-            const date = new Date(record.attendanceDate);
-            const time = record.attendanceTime ? new Date(record.attendanceTime).toLocaleTimeString() : '';
-
-            html += `<tr>
-                            <td>${date.toLocaleDateString()}</td>
-                            <td>${record.courseName}</td>
-                            <td>${time}</td>
-                            <td class="${statusClass}">${record.status}</td>
-                            <td>${record.remarks || ''}</td>
-                            <td>${record.createdBy}</td>
-                        </tr>`;
-          });
-          html += '</table>';
-        } else {
-          html = '<p>暂无考勤记录</p>';
-        }
-        $("#attendanceRecords").html(html);
-      } else {
-        $("#attendanceRecords").html(`<p class="error">${response.message}</p>`);
-      }
-    });
-  }
-
-  function loadStatistics() {
-    // 注意：这里需要知道当前学生的学号
-    $.get("api/user/current", function(userResponse) {
-      if (userResponse.success) {
-        const username = userResponse.user.username;
-
-        // 请求学生考勤统计
-        $.get(`api/attendance/statistics?studentId=${username}`, function(response) {
-          if (response.success && response.summary) {
-            const summary = response.summary;
-
-            // 修复：使用正确的属性名（根据你的AttendanceMapper.xml中的别名）
-            // 注意：这里使用的是你SQL查询中定义的别名
-            const totalCount = summary.totalCount || summary.totalcount || 0;
-            const presentCount = summary.presentCount || summary.presentcount || 0;
-            const absentCount = summary.absentCount || summary.absentcount || 0;
-            const lateCount = summary.lateCount || summary.latecount || 0;
-            const attendanceRate = summary.attendanceRate || summary.attendancerate || 0;
-
-            let html = `
-                            <div class="summary-item">
-                                <h4>总次数</h4>
-                                <p>${totalCount}</p>
-                            </div>
-                            <div class="summary-item">
-                                <h4>到课</h4>
-                                <p class="status-present">${presentCount}</p>
-                            </div>
-                            <div class="summary-item">
-                                <h4>缺勤</h4>
-                                <p class="status-absent">${absentCount}</p>
-                            </div>
-                            <div class="summary-item">
-                                <h4>迟到</h4>
-                                <p class="status-late">${lateCount}</p>
-                            </div>
-                            <div class="summary-item">
-                                <h4>到课率</h4>
-                                <p>${attendanceRate}%</p>
-                            </div>`;
-
-            $("#summaryStats").html(html);
-          } else {
-            $("#summaryStats").html('<p>暂无统计信息</p>');
-          }
-        });
-      }
-    });
-  }
-
-  function logout() {
-    $.post("api/user/logout", function() {
-      window.location.href = "login";
-    });
-  }
-</script>
-</body>
-</html>

src/main/webapp/WEB-INF/jsp/teacher.jsp

@@ -1,609 +0,0 @@
-<%@ page contentType="text/html;charset=UTF-8" language="java" %>
-<html>
-<head>
-  <title>教师主页 - 学生考勤系统</title>
-  <script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
-  <style>
-    body { font-family: Arial, sans-serif; margin: 20px; }
-    .header { background-color: #2196F3; color: white; padding: 10px; display: flex; justify-content: space-between; }
-    .menu { margin: 20px 0; }
-    .menu a { margin-right: 20px; text-decoration: none; color: #333; padding: 5px 10px; border: 1px solid #ccc; }
-    .menu a:hover { background-color: #f0f0f0; }
-    .content { margin-top: 20px; }
-    table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
-    th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
-    th { background-color: #f0f0f0; }
-    .form-group { margin-bottom: 10px; }
-    .form-group label { display: inline-block; width: 100px; }
-    .status-present { color: green; }
-    .status-absent { color: red; }
-    .status-late { color: orange; }
-    .btn { padding: 8px 15px; background-color: #4CAF50; color: white; border: none; cursor: pointer; margin: 5px; }
-    .btn-blue { background-color: #2196F3; }
-    .btn-red { background-color: #f44336; }
-    .message { padding: 10px; margin: 10px 0; border-radius: 4px; }
-    .success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
-    .error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
-    .info { background-color: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
-  </style>
-</head>
-<body>
-<div class="header">
-  <h2>学生考勤系统 - 教师</h2>
-  <div>
-    欢迎，${user.username}（教师） |
-    <a href="javascript:void(0)" onclick="logout()" style="color:white; text-decoration:underline;">退出</a>
-  </div>
-</div>
-
-<div class="menu">
-  <a href="javascript:void(0)" onclick="loadContent('record')">📝 记录考勤</a>
-  <a href="javascript:void(0)" onclick="loadContent('query')">🔍 查询考勤</a>
-  <a href="javascript:void(0)" onclick="loadContent('makeup')">✏️ 补签管理</a>
-  <a href="javascript:void(0)" onclick="loadContent('statistics')">📊 考勤统计</a>
-  <a href="javascript:void(0)" onclick="loadContent('students')">👨‍🎓 学生列表</a>
-</div>
-
-<div id="content" class="content">
-  <h3>欢迎使用学生考勤系统</h3>
-  <p>请选择上方菜单进行操作</p>
-  <div id="messageArea"></div>
-</div>
-
-<script>
-  // ==================== 辅助函数 ====================
-
-  // 获取今天的日期字符串 (YYYY-MM-DD)
-  function getTodayDateString() {
-    const now = new Date();
-    const year = now.getFullYear();
-    const month = String(now.getMonth() + 1).padStart(2, '0');
-    const day = String(now.getDate()).padStart(2, '0');
-    return `${year}-${month}-${day}`;
-  }
-
-  // 格式化后端返回的日期
-  function formatDate(dateValue) {
-    if (!dateValue) return '未知日期';
-    try {
-      const date = new Date(dateValue);
-      return date.toLocaleDateString('zh-CN');
-    } catch (e) {
-      return dateValue;
-    }
-  }
-
-  // 显示消息
-  function showMessage(message, type = 'info') {
-    const messageArea = $("#messageArea");
-    messageArea.html(`<div class="message ${type}">${message}</div>`);
-    if (type !== 'info') {
-      setTimeout(() => messageArea.empty(), 5000);
-    }
-  }
-
-  // ==================== 主功能函数 ====================
-
-  function loadContent(type) {
-    $("#messageArea").empty(); // 清空消息区域
-
-    if (type === 'record') {
-      loadRecordAttendance();
-    } else if (type === 'query') {
-      loadQueryAttendance();
-    } else if (type === 'makeup') {
-      loadMakeupAttendance();
-    } else if (type === 'statistics') {
-      loadStatistics();
-    } else if (type === 'students') {
-      loadStudentList();
-    }
-  }
-
-  // 1. 记录考勤
-  function loadRecordAttendance() {
-    $.get("/campus_attendance_war/student/list", function(students) {
-      if (!students || students.length === 0) {
-        showMessage("没有找到学生数据", "error");
-        return;
-      }
-
-      let html = `
-                <h3>📝 记录考勤</h3>
-                <div class="form-group">
-                    <label>课程名称:</label>
-                    <input type="text" id="courseName" value="高等数学" style="width:200px;">
-                </div>
-                <div class="form-group">
-                    <label>考勤日期:</label>
-                    <input type="date" id="attendanceDate" style="width:200px;">
-                </div>
-                <div class="form-group">
-                    <button class="btn" onclick="selectAllStudents()">全选</button>
-                    <button class="btn" onclick="deselectAllStudents()">取消全选</button>
-                    <button class="btn btn-blue" onclick="setAllStatus('PRESENT')">全部到课</button>
-                    <button class="btn btn-red" onclick="setAllStatus('ABSENT')">全部缺勤</button>
-                </div>
-                <table>
-                    <tr>
-                        <th>选择</th>
-                        <th>学号</th>
-                        <th>姓名</th>
-                        <th>班级</th>
-                        <th>状态</th>
-                        <th>备注</th>
-                    </tr>`;
-
-      students.forEach(s => {
-        html += `<tr>
-                    <td><input type="checkbox" class="student-check" data-id="${s.studentId}"></td>
-                    <td>${s.studentId}</td>
-                    <td>${s.name}</td>
-                    <td>${s.class_}</td>
-                    <td>
-                        <select class="status-select">
-                            <option value="PRESENT">到课</option>
-                            <option value="LATE">迟到</option>
-                            <option value="ABSENT">缺勤</option>
-                        </select>
-                    </td>
-                    <td><input type="text" class="remarks" placeholder="备注" style="width:150px;"></td>
-                </tr>`;
-      });
-
-      html += `</table>
-                <div class="form-group">
-                    <button class="btn" onclick="submitAttendance()">提交考勤</button>
-                    <button class="btn" onclick="clearForm()">清空</button>
-                </div>
-                <div id="submitResult"></div>`;
-
-      $("#content").html(html);
-      $("#attendanceDate").val(getTodayDateString());
-      showMessage("请选择学生并设置考勤状态", "info");
-    }).fail(function() {
-      showMessage("加载学生列表失败", "error");
-    });
-  }
-
-  // 记录考勤辅助函数
-  function selectAllStudents() {
-    $(".student-check").prop('checked', true);
-  }
-
-  function deselectAllStudents() {
-    $(".student-check").prop('checked', false);
-  }
-
-  function setAllStatus(status) {
-    $(".status-select").val(status);
-  }
-
-  function clearForm() {
-    $(".student-check").prop('checked', false);
-    $(".status-select").val('PRESENT');
-    $(".remarks").val('');
-    $("#courseName").val('高等数学');
-    $("#attendanceDate").val(getTodayDateString());
-  }
-
-  function submitAttendance() {
-    const courseName = $("#courseName").val().trim();
-    const attendanceDate = $("#attendanceDate").val();
-
-    if (!courseName) {
-      showMessage("请输入课程名称", "error");
-      return;
-    }
-
-    if (!attendanceDate) {
-      showMessage("请选择考勤日期", "error");
-      return;
-    }
-
-    const records = [];
-    $(".student-check:checked").each(function() {
-      const row = $(this).closest('tr');
-      const studentId = row.find('td').eq(1).text();
-      const status = row.find('.status-select').val();
-      const remarks = row.find('.remarks').val().trim();
-
-      records.push({
-        studentId: studentId,
-        courseName: courseName,
-        attendanceDate: new Date(attendanceDate).getTime(),
-        status: status,
-        remarks: remarks || ''
-      });
-    });
-
-    if (records.length === 0) {
-      showMessage("请至少选择一名学生", "error");
-      return;
-    }
-
-    showMessage(`正在提交 ${records.length} 条考勤记录...`, "info");
-
-    // 逐条提交（更稳定）
-    let successCount = 0;
-    let failCount = 0;
-    let processed = 0;
-
-    function submitNext() {
-      if (processed >= records.length) {
-        const result = `
-                    <div class="message success">
-                        <h4>提交完成！</h4>
-                        <p>成功: ${successCount}条 | 失败: ${failCount}条</p>
-                    </div>`;
-        $("#submitResult").html(result);
-        return;
-      }
-
-      const record = records[processed];
-      $.ajax({
-        url: '/campus_attendance_war/api/attendance/record',
-        type: 'POST',
-        contentType: 'application/json',
-        data: JSON.stringify(record),
-        success: function(response) {
-          if (response.success) {
-            successCount++;
-          } else {
-            failCount++;
-          }
-          processed++;
-          submitNext();
-        },
-        error: function() {
-          failCount++;
-          processed++;
-          submitNext();
-        }
-      });
-    }
-
-    submitNext();
-  }
-
-  // 2. 查询考勤
-  function loadQueryAttendance() {
-    let html = `
-            <h3>🔍 查询考勤</h3>
-            <div class="form-group">
-                <label>查询方式:</label>
-                <select id="queryType" onchange="changeQueryType()">
-                    <option value="date">按日期查询</option>
-                    <option value="student">按学生查询</option>
-                    <option value="course">按课程查询</option>
-                </select>
-            </div>
-            <div id="queryParams"></div>
-            <div class="form-group">
-                <button class="btn" onclick="queryAttendance()">查询</button>
-                <button class="btn" onclick="clearQuery()">清空</button>
-            </div>
-            <div id="queryResult"></div>`;
-
-    $("#content").html(html);
-    changeQueryType();
-  }
-
-  function changeQueryType() {
-    const type = $("#queryType").val();
-    let html = '';
-
-    if (type === 'date') {
-      html = `
-                <div class="form-group">
-                    <label>查询日期:</label>
-                    <input type="date" id="queryDate">
-                </div>`;
-    } else if (type === 'student') {
-      html = `
-                <div class="form-group">
-                    <label>学生学号:</label>
-                    <input type="text" id="queryStudentId" placeholder="输入学号">
-                </div>`;
-    } else if (type === 'course') {
-      html = `
-                <div class="form-group">
-                    <label>课程名称:</label>
-                    <input type="text" id="queryCourseName" placeholder="输入课程名称">
-                </div>`;
-    }
-
-    $("#queryParams").html(html);
-    if (type === 'date') {
-      $("#queryDate").val(getTodayDateString());
-    }
-  }
-
-  function clearQuery() {
-    $("#queryParams input").val('');
-    $("#queryResult").empty();
-  }
-
-  function queryAttendance() {
-    const type = $("#queryType").val();
-    let url = '/campus_attendance_war/api/attendance/query?';
-
-    if (type === 'date') {
-      const date = $("#queryDate").val();
-      if (!date) {
-        showMessage("请选择查询日期", "error");
-        return;
-      }
-      url += `date=${date}`;
-    } else if (type === 'student') {
-      const studentId = $("#queryStudentId").val().trim();
-      if (!studentId) {
-        showMessage("请输入学号", "error");
-        return;
-      }
-      url += `studentId=${studentId}`;
-    } else if (type === 'course') {
-      const courseName = $("#queryCourseName").val().trim();
-      if (!courseName) {
-        showMessage("请输入课程名称", "error");
-        return;
-      }
-      // 注意：这里需要后端支持按课程查询，暂时用日期查询代替
-      url += `date=${getTodayDateString()}`;
-    }
-
-    showMessage("正在查询...", "info");
-
-    $.get(url, function(response) {
-      if (response.success) {
-        let html = '<h4>查询结果</h4>';
-        if (response.records && response.records.length > 0) {
-          html += `<p>共找到 ${response.records.length} 条记录</p>`;
-          html += '<table><tr><th>学号</th><th>课程</th><th>日期</th><th>时间</th><th>状态</th><th>备注</th><th>记录人</th></tr>';
-
-          response.records.forEach(record => {
-            const statusClass = 'status-' + record.status.toLowerCase();
-            const dateStr = formatDate(record.attendanceDate);
-            const timeStr = record.attendanceTime ? formatDate(record.attendanceTime).split(' ')[1] || '' : '';
-
-            html += `<tr>
-                            <td>${record.studentId}</td>
-                            <td>${record.courseName}</td>
-                            <td>${dateStr}</td>
-                            <td>${timeStr}</td>
-                            <td class="${statusClass}">${record.status}</td>
-                            <td>${record.remarks || ''}</td>
-                            <td>${record.createdBy || '系统'}</td>
-                        </tr>`;
-          });
-          html += '</table>';
-        } else {
-          html += '<div class="message info">暂无考勤记录</div>';
-        }
-        $("#queryResult").html(html);
-      } else {
-        $("#queryResult").html(`<div class="message error">${response.message || "查询失败"}</div>`);
-      }
-    }).fail(function() {
-      $("#queryResult").html('<div class="message error">查询失败，请检查网络连接</div>');
-    });
-  }
-
-  // 3. 补签管理
-  function loadMakeupAttendance() {
-    let html = `
-            <h3>✏️ 补签管理</h3>
-            <div class="form-group">
-                <label>学生学号:</label>
-                <input type="text" id="makeupStudentId" placeholder="输入学号" style="width:200px;">
-            </div>
-            <div class="form-group">
-                <label>课程名称:</label>
-                <input type="text" id="makeupCourse" placeholder="输入课程名称" style="width:200px;">
-            </div>
-            <div class="form-group">
-                <label>补签日期:</label>
-                <input type="date" id="makeupDate" style="width:200px;">
-            </div>
-            <div class="form-group">
-                <label>考勤状态:</label>
-                <select id="makeupStatus" style="width:200px;">
-                    <option value="PRESENT">到课</option>
-                    <option value="LATE">迟到</option>
-                    <option value="ABSENT">缺勤</option>
-                </select>
-            </div>
-            <div class="form-group">
-                <label>备注:</label>
-                <input type="text" id="makeupRemarks" placeholder="补签原因" style="width:300px;">
-            </div>
-            <div class="form-group">
-                <button class="btn" onclick="submitMakeup()">提交补签</button>
-                <button class="btn" onclick="clearMakeupForm()">清空</button>
-            </div>
-            <div id="makeupResult"></div>`;
-
-    $("#content").html(html);
-    $("#makeupDate").val(getTodayDateString());
-    showMessage("请填写补签信息", "info");
-  }
-
-  function clearMakeupForm() {
-    $("#makeupStudentId").val('');
-    $("#makeupCourse").val('');
-    $("#makeupRemarks").val('');
-    $("#makeupDate").val(getTodayDateString());
-    $("#makeupStatus").val('PRESENT');
-    $("#makeupResult").empty();
-  }
-
-  function submitMakeup() {
-    const studentId = $("#makeupStudentId").val().trim();
-    const courseName = $("#makeupCourse").val().trim();
-    const date = $("#makeupDate").val();
-    const status = $("#makeupStatus").val();
-    const remarks = $("#makeupRemarks").val().trim();
-
-    if (!studentId || !courseName || !date) {
-      showMessage("请填写完整信息（学号、课程、日期必填）", "error");
-      return;
-    }
-
-    showMessage("正在提交补签...", "info");
-
-    $.ajax({
-      url: '/campus_attendance_war/api/attendance/makeup',
-      type: 'POST',
-      contentType: 'application/json',
-      data: JSON.stringify({
-        studentId: studentId,
-        courseName: courseName,
-        attendanceDate: new Date(date).getTime(),
-        status: status,
-        remarks: remarks || '教师补签'
-      }),
-      success: function(response) {
-        if (response.success) {
-          $("#makeupResult").html('<div class="message success">补签成功！</div>');
-          clearMakeupForm();
-        } else {
-          $("#makeupResult").html(`<div class="message error">${response.message || "补签失败"}</div>`);
-        }
-      },
-      error: function() {
-        $("#makeupResult").html('<div class="message error">提交失败，请检查网络连接</div>');
-      }
-    });
-  }
-
-  // 4. 考勤统计
-  function loadStatistics() {
-    showMessage("正在加载统计信息...", "info");
-
-    // 获取最近7天的统计
-    const endDate = getTodayDateString();
-    const startDate = new Date();
-    startDate.setDate(startDate.getDate() - 7);
-    const startDateStr = startDate.toISOString().split('T')[0];
-
-    $.get(`/campus_attendance_war/api/attendance/statistics?startDate=${startDateStr}&endDate=${endDate}`, function(response) {
-      let html = '<h3>📊 考勤统计（最近7天）</h3>';
-
-      if (response.success && response.statistics && response.statistics.length > 0) {
-        // 计算总计
-        let totalCount = 0, presentCount = 0, absentCount = 0, lateCount = 0;
-
-        html += '<table><tr><th>日期</th><th>总人数</th><th>到课</th><th>缺勤</th><th>迟到</th><th>到课率</th></tr>';
-
-        response.statistics.forEach(stat => {
-          const total = stat.total || stat.totalcount || 0;
-          const present = stat.present || stat.presentcount || 0;
-          const absent = stat.absent || stat.absentcount || 0;
-          const late = stat.late || stat.latecount || 0;
-          const rate = total > 0 ? ((present * 100) / total).toFixed(2) : 0;
-
-          totalCount += total;
-          presentCount += present;
-          absentCount += absent;
-          lateCount += late;
-
-          const dateStr = formatDate(stat.date);
-
-          html += `<tr>
-                        <td>${dateStr}</td>
-                        <td>${total}</td>
-                        <td class="status-present">${present}</td>
-                        <td class="status-absent">${absent}</td>
-                        <td class="status-late">${late}</td>
-                        <td>${rate}%</td>
-                    </tr>`;
-        });
-
-        // 总计行
-        const totalRate = totalCount > 0 ? ((presentCount * 100) / totalCount).toFixed(2) : 0;
-        html += `<tr style="font-weight:bold; background-color:#f0f0f0;">
-                    <td>总计</td>
-                    <td>${totalCount}</td>
-                    <td class="status-present">${presentCount}</td>
-                    <td class="status-absent">${absentCount}</td>
-                    <td class="status-late">${lateCount}</td>
-                    <td>${totalRate}%</td>
-                </tr>`;
-
-        html += '</table>';
-
-        // 统计摘要
-        html += `
-                    <div class="message info" style="margin-top:20px;">
-                        <h4>统计摘要</h4>
-                        <p>总考勤人次: ${totalCount} | 到课率: ${totalRate}%</p>
-                        <p>到课: ${presentCount} (${totalCount > 0 ? ((presentCount*100)/totalCount).toFixed(1) : 0}%)</p>
-                        <p>缺勤: ${absentCount} (${totalCount > 0 ? ((absentCount*100)/totalCount).toFixed(1) : 0}%)</p>
-                        <p>迟到: ${lateCount} (${totalCount > 0 ? ((lateCount*100)/totalCount).toFixed(1) : 0}%)</p>
-                    </div>`;
-      } else {
-        html += '<div class="message info">暂无考勤统计数据</div>';
-      }
-
-      $("#content").html(html);
-    }).fail(function() {
-      $("#content").html('<div class="message error">加载统计信息失败</div>');
-    });
-  }
-
-  // 5. 学生列表
-  function loadStudentList() {
-    $.get("/campus_attendance_war/student/list", function(students) {
-      let html = '<h3>👨‍🎓 学生列表</h3>';
-
-      if (students && students.length > 0) {
-        html += `<p>共 ${students.length} 名学生</p>`;
-        html += '<table><tr><th>学号</th><th>姓名</th><th>班级</th><th>专业</th></tr>';
-
-        students.forEach(s => {
-          html += `<tr>
-                        <td>${s.studentId}</td>
-                        <td>${s.name}</td>
-                        <td>${s.class_}</td>
-                        <td>${s.major}</td>
-                    </tr>`;
-        });
-
-        html += '</table>';
-      } else {
-        html += '<div class="message info">暂无学生数据</div>';
-      }
-
-      $("#content").html(html);
-    }).fail(function() {
-      $("#content").html('<div class="message error">加载学生列表失败</div>');
-    });
-  }
-
-  // ==================== 系统函数 ====================
-
-  function logout() {
-    if (confirm("确定要退出登录吗？")) {
-      $.post("/campus_attendance_war/api/user/logout", function() {
-        window.location.href = "/campus_attendance_war/login";
-      });
-    }
-  }
-
-  // 页面加载时检查登录状态
-  $(function() {
-    // 修正登录状态检查（纯EL表达式，不在JS中混用）
-    <c:if test="${user == null}">
-    window.location.href = "/campus_attendance_war/login";
-    return;
-    </c:if>
-
-    // 修正欢迎信息提取（直接使用EL表达式传递用户名）
-    showMessage(`欢迎 ${'${user.username}'} 老师！`, "success");
-
-    // 自动加载学生列表
-    loadStudentList();
-  });
-</script>
-</body>
-</html>