select * from course_application and id = #{id} and time = #{time} and teacherId = #{teacherId} and userId = #{userId} and curriculumId = #{curriculumId} and state = #{state} and content like CONCAT('%', #{content}, '%') and remarks like CONCAT('%', #{remarks}, '%') select * from course_application and id = #{id} and time = #{time} and teacherId = #{teacherId} and userId = #{userId} and curriculumId = #{curriculumId} and state = #{state} and content like CONCAT('%', #{content}, '%') and remarks like CONCAT('%', #{remarks}, '%') select * from course_application and teacherId = #{teacherId} and userId = #{userId} and curriculumId = #{curriculumId} insert into course_application(teacherId,userId,curriculumId,content,state,remarks,time) values(#{teacherId},#{userId},#{curriculumId},#{content},#{state},#{remarks},#{time}) delete from course_application where id = #{id} update course_application teacherId = #{teacherId}, userId = #{userId}, curriculumId = #{curriculumId}, content = #{content}, state = #{state}, remarks = #{remarks}, time = #{time}, where id = #{id}