diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/TeacherController.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/TeacherController.class
index dab42d2..cba61f9 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/TeacherController.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/TeacherController.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/TeacherDao.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/TeacherDao.class
index 3b51898..97665ee 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/TeacherDao.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/TeacherDao.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/impl/TeacherDaoImpl.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/impl/TeacherDaoImpl.class
index 72aa3b0..5ef4a35 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/impl/TeacherDaoImpl.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/impl/TeacherDaoImpl.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Teacher.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Teacher.class
index bd6d1c5..15d2b50 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Teacher.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Teacher.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/TeacherService.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/TeacherService.class
index cb66cfb..d64290b 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/TeacherService.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/TeacherService.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/log4j.properties b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/log4j.properties
index ba59947..41bf498 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/log4j.properties
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/log4j.properties
@@ -1,10 +1,10 @@
-log4j.rootLogger=INFO, stdout
+log4j.rootLogger=WARN, stdout
 
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern=%d [%t] %-5p %c - %m%n
 
-log4j.logger.your.package.name=INFO, sql
+log4j.logger.your.package.name=WARN, sql
 
 log4j.appender.sql=org.apache.log4j.ConsoleAppender
 log4j.appender.sql.layout=org.apache.log4j.PatternLayout
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/TeacherMapper.xml b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/TeacherMapper.xml
index 1e1bbed..9e33b33 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/TeacherMapper.xml
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/TeacherMapper.xml
@@ -56,4 +56,27 @@
             </if>
         </trim>
     </select>
+    <update id="updateTeacher" parameterType="cyou.chenx221.pojo.Teacher">
+        UPDATE teacher
+        <set>
+            <trim suffixOverrides=",">
+                <if test="name != null">
+                    name = #{name},
+                </if>
+                <if test="birthday != null">
+                    birthday = #{birthday},
+                </if>
+                <if test="course.CourseID != -1">
+                    course_id = #{course.CourseID},
+                </if>
+                <if test="classes != null">
+                    classes = #{classes}
+                </if>
+            </trim>
+        </set>
+        WHERE id = #{id};
+    </update>
+
+
+
 </mapper>
\ No newline at end of file
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/teachermanage.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/teachermanage.jsp
index abd1bb9..424fd52 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/teachermanage.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/teachermanage.jsp
@@ -173,10 +173,12 @@
                                 <td>${teacher.classes}</td>
                                 <td class="text-center">
                                     <div class="btn-group" role="group" aria-label="Basic example">
-                                        <button type="button" class="btn btn-danger">
+                                        <button type="button" class="btn btn-info" data-mdb-toggle="tooltip"
+                                                data-mdb-placement="top" title="编辑">
                                             <i class="fas fa-pencil"></i>
                                         </button>
-                                        <button type="button" class="btn btn-primary">
+                                        <button type="button" class="btn btn-danger" data-mdb-toggle="tooltip"
+                                                data-mdb-placement="top" title="删除">
                                             <i class="fas fa-trash"></i>
                                         </button>
                                     </div>
@@ -303,7 +305,7 @@
                             </div>
                             <div class="tab-pane fade" id="ex1-tabs-2" role="tabpanel" aria-labelledby="ex1-tab-2">
                                 <div class="card-body" style="min-width: 175px">
-                                    <form action="mod" method="post">
+                                    <form id="modform" action="mod" method="post">
                                         <div class="row mb-2">
                                             <div class="col-12">
                                                 <div class="form-outline">
@@ -351,28 +353,28 @@
                                                 </div>
                                             </div>
                                         </div>
-                                        <div class="row mb-2">
-                                            <div class="col-12">
-                                                <div class="form-outline">
-                                                    <input type="text" id="typeText14" class="form-control"
-                                                           name="course_name"/>
-                                                    <label class="form-label" for="typeText14">课程名(支持部分)</label>
-                                                </div>
-                                            </div>
-                                        </div>
+                                        <%--                                        <div class="row mb-2">--%>
+                                        <%--                                            <div class="col-12">--%>
+                                        <%--                                                <div class="form-outline">--%>
+                                        <%--                                                    <input type="text" id="typeText14" class="form-control"--%>
+                                        <%--                                                           name="course_name"/>--%>
+                                        <%--                                                    <label class="form-label" for="typeText14">课程名(支持部分)</label>--%>
+                                        <%--                                                </div>--%>
+                                        <%--                                            </div>--%>
+                                        <%--                                        </div>--%>
                                         <div class="row mb-2">
                                             <div class="col-12">
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText15" class="form-control"
                                                            name="classes"/>
                                                     <label class="form-label"
-                                                           for="typeText15">授课班级(一班~五班)</label>
+                                                           for="typeText15">授课班级(1~5班)</label>
                                                 </div>
                                             </div>
                                         </div>
                                         <div class="row mb-2 mt-4">
                                             <div class="col-lg-6 text-center">
-                                                <button type="submit" class="btn btn-primary">修改
+                                                <button type="submit" class="btn btn-primary" id="modbtn">修改
                                                 </button>
                                             </div>
                                             <div class="col-lg-6 text-center">
@@ -452,7 +454,7 @@
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText23" class="form-control" required
                                                            name="classes"/>
-                                                    <label class="form-label" for="typeText23">授课班级</label>
+                                                    <label class="form-label" for="typeText23">授课班级(1~5班)</label>
                                                 </div>
                                             </div>
                                         </div>
@@ -557,96 +559,118 @@
         </c:if>
     });
 
-    function resetPWD(id) {
-        $('#typeText5').val(id);
-        $('#ex1-tab-2').tab('show');
-    }
-
-
-    //实现按钮的点击事件（禁用/启用用户)
     $(document).ready(function () {
-        $('.btn-danger').on('click', function () {
+        $('.btn-danger').on('click', function () { //移除用户
             var id = $(this).closest('tr').find('td:first').text();
-            userdisabled(id);
+            // userdisabled(id);
+            console.log(id) // debug
+        });
+        $('.btn-info').on('click', function () { //编辑用户
+            var id = $(this).closest('tr').find('td:first').text();
+            $('#ex1-tab-2').tab('show');
+            $('#typeText9').val(id).focus();
             // console.log(id) // debug
         });
-    });
-    $(document).ready(function () {
-        $('.btn-success').on('click', function () {
-            var id = $(this).closest('tr').find('td:first').text();
-            userenabled(id);
-            // console.log(id) // debug
+        $('#modform').on('submit', function (event) {
+            event.preventDefault();
+            $.ajax({
+                url: 'mod', // 替换为您的请求 URL
+                method: 'POST', // 根据您的需求选择请求方法 (POST, GET, etc.)
+                data: $('#modform').serialize(),
+                success: function (response) {
+                    $('#de_message').text(response);
+                    $('#de_button').on('click', function () {
+                        reloadka("reload");
+                    });
+                    $('#exampleModal3').modal('show').on('hidden.bs.modal', function () { //针对点击modal外的情况的处理
+                        reloadka("reload");
+                    });
+                },
+                error: function (xhr, status, error) {
+                    if (xhr.status === 400) {
+                        $('#de_message').text(xhr.responseText);
+                        $('#de_button').on('click', function () {
+                            reloadka("close");
+                        });
+                        $('#exampleModal3').modal('show');
+                    } else {
+                        console.log('请求失败:', error);
+                        alert('请求请求失败，请重试');
+                    }
+                }
+            });
         });
+
     });
 
-    //使用ajax在后台发送post禁用/启用用户请求
-    function userdisabled(id) {
-        //btn-danger
-        $.ajax({
-            url: 'userdisabled',
-            type: 'post',
-            data: {
-                id: id
-            },
-            success: function (data) {
-                if (data.status === 'success') {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("reload");
-                    });
-                    $('#exampleModal3').modal('show');
-                    $('#exampleModal3').on('hidden.bs.modal', function () { //针对点击modal外的情况的处理
-                        reloadka("reload");
-                    });
-                } else {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("close");
-                    });
-                    $('#exampleModal3').modal('show');
-                }
-            },
-            error: function (xhr, status, error) {
-                // 处理请求失败的逻辑
-                console.log('请求失败:', error);
-                alert('请求请求失败，请重试');
-            }
-        });
-    }
-
-    function userenabled(id) {
-        $.ajax({
-            url: 'userenabled',
-            type: 'post',
-            data: {
-                id: id
-            },
-            success: function (data) {
-                if (data.status === 'success') {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("reload");
-                    });
-                    $('#exampleModal3').modal('show');
-                    $('#exampleModal3').on('hidden.bs.modal', function () {
-                        reloadka("reload");
-                    });
-                } else {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("close");
-                    });
-                    $('#exampleModal3').modal('show');
-                }
-            },
-            error: function (xhr, status, error) {
-                // 处理请求失败的逻辑
-                console.log('请求失败:', error);
-                alert('请求请求失败，请重试');
-            }
-        });
-    }
-
+    // //使用ajax在后台发送post禁用/启用用户请求
+    // function userdisabled(id) {
+    //     //btn-danger
+    //     $.ajax({
+    //         url: 'userdisabled',
+    //         type: 'post',
+    //         data: {
+    //             id: id
+    //         },
+    //         success: function (data) {
+    //             if (data.status === 'success') {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("reload");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //                 $('#exampleModal3').on('hidden.bs.modal', function () { //针对点击modal外的情况的处理
+    //                     reloadka("reload");
+    //                 });
+    //             } else {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("close");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //             }
+    //         },
+    //         error: function (xhr, status, error) {
+    //             // 处理请求失败的逻辑
+    //             console.log('请求失败:', error);
+    //             alert('请求请求失败，请重试');
+    //         }
+    //     });
+    // }
+    //
+    // function userenabled(id) {
+    //     $.ajax({
+    //         url: 'userenabled',
+    //         type: 'post',
+    //         data: {
+    //             id: id
+    //         },
+    //         success: function (data) {
+    //             if (data.status === 'success') {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("reload");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //                 $('#exampleModal3').on('hidden.bs.modal', function () {
+    //                     reloadka("reload");
+    //                 });
+    //             } else {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("close");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //             }
+    //         },
+    //         error: function (xhr, status, error) {
+    //             // 处理请求失败的逻辑
+    //             console.log('请求失败:', error);
+    //             alert('请求请求失败，请重试');
+    //         }
+    //     });
+    // }
+    //
     //处理成功/失败后的刷新页面/关闭模态框操作
     function reloadka(action) {
         if (action === 'reload') {
diff --git a/project2/project2.sql b/project2/project2.sql
index a25e1f6..6f12934 100644
--- a/project2/project2.sql
+++ b/project2/project2.sql
@@ -11,7 +11,7 @@
  Target Server Version : 80033 (8.0.33)
  File Encoding         : 65001
 
- Date: 16/06/2023 13:52:21
+ Date: 16/06/2023 21:12:31
 */
 
 SET NAMES utf8mb4;
@@ -1232,8 +1232,8 @@ CREATE TABLE `teacher`  (
 -- ----------------------------
 -- Records of teacher
 -- ----------------------------
-INSERT INTO `teacher` VALUES (1, '韦秀英', '女', '1989-01-01', 8, '1班', 0);
-INSERT INTO `teacher` VALUES (2, '蔡岚', '女', '1997-08-14', 1, '5班', 0);
+INSERT INTO `teacher` VALUES (1, '无名氏', '女', '1989-01-01', 8, '1班', 0);
+INSERT INTO `teacher` VALUES (2, '无名氏2', '女', '1997-08-14', 1, '5班', 0);
 INSERT INTO `teacher` VALUES (3, '蒋岚', '女', '1998-09-28', 9, '3班', 0);
 INSERT INTO `teacher` VALUES (4, '侯嘉伦', '男', '1980-05-07', 13, '3班', 0);
 INSERT INTO `teacher` VALUES (5, '毛子异', '男', '1995-05-03', 12, '1班', 0);
diff --git a/project2/src/main/java/cyou/chenx221/controller/TeacherController.java b/project2/src/main/java/cyou/chenx221/controller/TeacherController.java
index e1b7564..3a4519a 100644
--- a/project2/src/main/java/cyou/chenx221/controller/TeacherController.java
+++ b/project2/src/main/java/cyou/chenx221/controller/TeacherController.java
@@ -3,17 +3,14 @@ package cyou.chenx221.controller;
 import cyou.chenx221.helper.CsvHelper;
 import cyou.chenx221.helper.UsernameHelper;
 import cyou.chenx221.pojo.Course;
-import cyou.chenx221.pojo.Score;
-import cyou.chenx221.pojo.Student;
 import cyou.chenx221.pojo.Teacher;
+import cyou.chenx221.service.CourseService;
 import cyou.chenx221.service.TeacherService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.*;
 
 import java.io.IOException;
 import java.sql.Date;
@@ -26,10 +23,12 @@ import java.util.List;
 @RequestMapping("/teacher")
 public class TeacherController {
     private final TeacherService teacherService;
+    private final CourseService courseService;
 
     @Autowired
-    public TeacherController(TeacherService teacherService) {
+    public TeacherController(TeacherService teacherService, CourseService courseService) {
         this.teacherService = teacherService;
+        this.courseService = courseService;
     }
 
     @GetMapping("/manage")
@@ -93,8 +92,6 @@ public class TeacherController {
             classes = null;
         }
 
-        String classesPattern = "[1-5]班";// 使用正则表达式验证班级格式
-
         if (id <= 0 && name == null && sex == null && birthdayBegin == null && birthdayEnd == null && course_id <= 0 && course_name == null && classes == null) {
             model.addAttribute("errorMessage", "ID非法或查询条件全为空");
             return "redirect:/teacher/manage";
@@ -110,4 +107,47 @@ public class TeacherController {
         model.addAttribute("download", new CsvHelper().generateTeacherCSVFile(teachers));
         return "teacherQueryResult";
     }
+
+    @ResponseBody
+    @PostMapping(value = "/mod",produces = "text/plain;charset=UTF-8")
+    public ResponseEntity<String> postEdit(@RequestParam(value = "id") int id,
+                                           @RequestParam(value = "name", defaultValue = "null", required = false) String name,
+                                           @RequestParam(value = "birthday", defaultValue = "null", required = false) String birthday_str,
+                                           @RequestParam(value = "course_id", defaultValue = "-1", required = false) int course_id,
+                                           @RequestParam(value = "classes", defaultValue = "null", required = false) String classes) throws ParseException {
+        // 处理表单字段数据
+        String classesPattern = "[1-5]班";// 使用正则表达式验证班级格式
+
+        if (id <= 0) {
+            return ResponseEntity.badRequest().body("ID非法");
+        } else if (name.equals("null") && birthday_str.equals("null") && course_id == -1 && classes.equals("null")) {
+            return ResponseEntity.badRequest().body("修改内容为空");
+        }
+        Date birthday = null;
+        if (!birthday_str.equals("null")) {
+            birthday = new Date(new SimpleDateFormat("yyyy-MM-dd").parse(birthday_str).getTime());
+        }
+        if (!classes.equals("null")) {
+            if (!classes.matches(classesPattern)) {
+                return ResponseEntity.badRequest().body("班级格式非法");
+            }
+        }
+        if(name.equals("null")){
+            name=null;
+        }
+        if(classes.equals("null")){
+            classes=null;
+        }
+
+        //注
+        //这里不考虑一个班一个科目不允许多名教师，少了个班级表+数据表外键搞得不好，所以这里偷懒了...
+
+        Teacher teacher = new Teacher(id,name,birthday,new Course(course_id), classes);
+        int status_code = teacherService.updateTeacher(teacher);
+        if (status_code == 0) {
+            return ResponseEntity.badRequest().body("修改失败");
+        } else {
+            return ResponseEntity.ok("修改成功");
+        }
+    }
 }
diff --git a/project2/src/main/java/cyou/chenx221/mapper/TeacherDao.java b/project2/src/main/java/cyou/chenx221/mapper/TeacherDao.java
index 9d008eb..ecefd84 100644
--- a/project2/src/main/java/cyou/chenx221/mapper/TeacherDao.java
+++ b/project2/src/main/java/cyou/chenx221/mapper/TeacherDao.java
@@ -10,4 +10,7 @@ public interface TeacherDao {
     List<Teacher> getAllTeachers();
 
     List<Teacher> getQueryTeachers(Teacher teacher);
+
+
+    int updateTeacher(Teacher teacher);
 }
diff --git a/project2/src/main/java/cyou/chenx221/mapper/impl/TeacherDaoImpl.java b/project2/src/main/java/cyou/chenx221/mapper/impl/TeacherDaoImpl.java
index 5771866..d5ee388 100644
--- a/project2/src/main/java/cyou/chenx221/mapper/impl/TeacherDaoImpl.java
+++ b/project2/src/main/java/cyou/chenx221/mapper/impl/TeacherDaoImpl.java
@@ -24,6 +24,12 @@ public class TeacherDaoImpl implements TeacherDao {
 
     @Override
     public List<Teacher> getQueryTeachers(Teacher teacher) {
-        return sqlSession.selectList("getQueryTeachers",teacher);
+        return sqlSession.selectList("getQueryTeachers", teacher);
     }
+
+    @Override
+    public int updateTeacher(Teacher teacher) {
+        return sqlSession.update("updateTeacher", teacher);
+    }
+
 }
diff --git a/project2/src/main/java/cyou/chenx221/pojo/Teacher.java b/project2/src/main/java/cyou/chenx221/pojo/Teacher.java
index f046d8b..b6bfdec 100644
--- a/project2/src/main/java/cyou/chenx221/pojo/Teacher.java
+++ b/project2/src/main/java/cyou/chenx221/pojo/Teacher.java
@@ -31,6 +31,11 @@ public class Teacher {
         this.birthdayEnd = birthdayEnd;
     }
 
+    public Teacher(Course course, String classes) {
+        this.course = course;
+        this.classes = classes;
+    }
+
     public Teacher(Integer id, String name, String sex, Course course, String classes, Date birthdayBegin, Date birthdayEnd) {
         this.id = id;
         this.name = name;
@@ -41,6 +46,14 @@ public class Teacher {
         this.birthdayEnd = birthdayEnd;
     }
 
+    public Teacher(Integer id, String name, Date birthday, Course course, String classes) {
+        this.id = id;
+        this.name = name;
+        this.birthday = birthday;
+        this.course = course;
+        this.classes = classes;
+    }
+
     @Override
     public String toString() {
         return "Teacher{" +
diff --git a/project2/src/main/java/cyou/chenx221/service/TeacherService.java b/project2/src/main/java/cyou/chenx221/service/TeacherService.java
index 9c8131d..476f95c 100644
--- a/project2/src/main/java/cyou/chenx221/service/TeacherService.java
+++ b/project2/src/main/java/cyou/chenx221/service/TeacherService.java
@@ -21,4 +21,9 @@ public class TeacherService {
     public List<Teacher> getQueryTeachers(Teacher teacher) {
         return teacherDao.getQueryTeachers(teacher);
     }
+
+
+    public int updateTeacher(Teacher teacher) {
+        return teacherDao.updateTeacher(teacher);
+    }
 }
diff --git a/project2/src/main/resources/mapper/TeacherMapper.xml b/project2/src/main/resources/mapper/TeacherMapper.xml
index 1e1bbed..9e33b33 100644
--- a/project2/src/main/resources/mapper/TeacherMapper.xml
+++ b/project2/src/main/resources/mapper/TeacherMapper.xml
@@ -56,4 +56,27 @@
             </if>
         </trim>
     </select>
+    <update id="updateTeacher" parameterType="cyou.chenx221.pojo.Teacher">
+        UPDATE teacher
+        <set>
+            <trim suffixOverrides=",">
+                <if test="name != null">
+                    name = #{name},
+                </if>
+                <if test="birthday != null">
+                    birthday = #{birthday},
+                </if>
+                <if test="course.CourseID != -1">
+                    course_id = #{course.CourseID},
+                </if>
+                <if test="classes != null">
+                    classes = #{classes}
+                </if>
+            </trim>
+        </set>
+        WHERE id = #{id};
+    </update>
+
+
+
 </mapper>
\ No newline at end of file
diff --git a/project2/web/WEB-INF/views/teachermanage.jsp b/project2/web/WEB-INF/views/teachermanage.jsp
index abd1bb9..424fd52 100644
--- a/project2/web/WEB-INF/views/teachermanage.jsp
+++ b/project2/web/WEB-INF/views/teachermanage.jsp
@@ -173,10 +173,12 @@
                                 <td>${teacher.classes}</td>
                                 <td class="text-center">
                                     <div class="btn-group" role="group" aria-label="Basic example">
-                                        <button type="button" class="btn btn-danger">
+                                        <button type="button" class="btn btn-info" data-mdb-toggle="tooltip"
+                                                data-mdb-placement="top" title="编辑">
                                             <i class="fas fa-pencil"></i>
                                         </button>
-                                        <button type="button" class="btn btn-primary">
+                                        <button type="button" class="btn btn-danger" data-mdb-toggle="tooltip"
+                                                data-mdb-placement="top" title="删除">
                                             <i class="fas fa-trash"></i>
                                         </button>
                                     </div>
@@ -303,7 +305,7 @@
                             </div>
                             <div class="tab-pane fade" id="ex1-tabs-2" role="tabpanel" aria-labelledby="ex1-tab-2">
                                 <div class="card-body" style="min-width: 175px">
-                                    <form action="mod" method="post">
+                                    <form id="modform" action="mod" method="post">
                                         <div class="row mb-2">
                                             <div class="col-12">
                                                 <div class="form-outline">
@@ -351,28 +353,28 @@
                                                 </div>
                                             </div>
                                         </div>
-                                        <div class="row mb-2">
-                                            <div class="col-12">
-                                                <div class="form-outline">
-                                                    <input type="text" id="typeText14" class="form-control"
-                                                           name="course_name"/>
-                                                    <label class="form-label" for="typeText14">课程名(支持部分)</label>
-                                                </div>
-                                            </div>
-                                        </div>
+                                        <%--                                        <div class="row mb-2">--%>
+                                        <%--                                            <div class="col-12">--%>
+                                        <%--                                                <div class="form-outline">--%>
+                                        <%--                                                    <input type="text" id="typeText14" class="form-control"--%>
+                                        <%--                                                           name="course_name"/>--%>
+                                        <%--                                                    <label class="form-label" for="typeText14">课程名(支持部分)</label>--%>
+                                        <%--                                                </div>--%>
+                                        <%--                                            </div>--%>
+                                        <%--                                        </div>--%>
                                         <div class="row mb-2">
                                             <div class="col-12">
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText15" class="form-control"
                                                            name="classes"/>
                                                     <label class="form-label"
-                                                           for="typeText15">授课班级(一班~五班)</label>
+                                                           for="typeText15">授课班级(1~5班)</label>
                                                 </div>
                                             </div>
                                         </div>
                                         <div class="row mb-2 mt-4">
                                             <div class="col-lg-6 text-center">
-                                                <button type="submit" class="btn btn-primary">修改
+                                                <button type="submit" class="btn btn-primary" id="modbtn">修改
                                                 </button>
                                             </div>
                                             <div class="col-lg-6 text-center">
@@ -452,7 +454,7 @@
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText23" class="form-control" required
                                                            name="classes"/>
-                                                    <label class="form-label" for="typeText23">授课班级</label>
+                                                    <label class="form-label" for="typeText23">授课班级(1~5班)</label>
                                                 </div>
                                             </div>
                                         </div>
@@ -557,96 +559,118 @@
         </c:if>
     });
 
-    function resetPWD(id) {
-        $('#typeText5').val(id);
-        $('#ex1-tab-2').tab('show');
-    }
-
-
-    //实现按钮的点击事件（禁用/启用用户)
     $(document).ready(function () {
-        $('.btn-danger').on('click', function () {
+        $('.btn-danger').on('click', function () { //移除用户
             var id = $(this).closest('tr').find('td:first').text();
-            userdisabled(id);
+            // userdisabled(id);
+            console.log(id) // debug
+        });
+        $('.btn-info').on('click', function () { //编辑用户
+            var id = $(this).closest('tr').find('td:first').text();
+            $('#ex1-tab-2').tab('show');
+            $('#typeText9').val(id).focus();
             // console.log(id) // debug
         });
-    });
-    $(document).ready(function () {
-        $('.btn-success').on('click', function () {
-            var id = $(this).closest('tr').find('td:first').text();
-            userenabled(id);
-            // console.log(id) // debug
+        $('#modform').on('submit', function (event) {
+            event.preventDefault();
+            $.ajax({
+                url: 'mod', // 替换为您的请求 URL
+                method: 'POST', // 根据您的需求选择请求方法 (POST, GET, etc.)
+                data: $('#modform').serialize(),
+                success: function (response) {
+                    $('#de_message').text(response);
+                    $('#de_button').on('click', function () {
+                        reloadka("reload");
+                    });
+                    $('#exampleModal3').modal('show').on('hidden.bs.modal', function () { //针对点击modal外的情况的处理
+                        reloadka("reload");
+                    });
+                },
+                error: function (xhr, status, error) {
+                    if (xhr.status === 400) {
+                        $('#de_message').text(xhr.responseText);
+                        $('#de_button').on('click', function () {
+                            reloadka("close");
+                        });
+                        $('#exampleModal3').modal('show');
+                    } else {
+                        console.log('请求失败:', error);
+                        alert('请求请求失败，请重试');
+                    }
+                }
+            });
         });
+
     });
 
-    //使用ajax在后台发送post禁用/启用用户请求
-    function userdisabled(id) {
-        //btn-danger
-        $.ajax({
-            url: 'userdisabled',
-            type: 'post',
-            data: {
-                id: id
-            },
-            success: function (data) {
-                if (data.status === 'success') {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("reload");
-                    });
-                    $('#exampleModal3').modal('show');
-                    $('#exampleModal3').on('hidden.bs.modal', function () { //针对点击modal外的情况的处理
-                        reloadka("reload");
-                    });
-                } else {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("close");
-                    });
-                    $('#exampleModal3').modal('show');
-                }
-            },
-            error: function (xhr, status, error) {
-                // 处理请求失败的逻辑
-                console.log('请求失败:', error);
-                alert('请求请求失败，请重试');
-            }
-        });
-    }
-
-    function userenabled(id) {
-        $.ajax({
-            url: 'userenabled',
-            type: 'post',
-            data: {
-                id: id
-            },
-            success: function (data) {
-                if (data.status === 'success') {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("reload");
-                    });
-                    $('#exampleModal3').modal('show');
-                    $('#exampleModal3').on('hidden.bs.modal', function () {
-                        reloadka("reload");
-                    });
-                } else {
-                    $('#de_message').text(data.message);
-                    $('#de_button').on('click', function () {
-                        reloadka("close");
-                    });
-                    $('#exampleModal3').modal('show');
-                }
-            },
-            error: function (xhr, status, error) {
-                // 处理请求失败的逻辑
-                console.log('请求失败:', error);
-                alert('请求请求失败，请重试');
-            }
-        });
-    }
-
+    // //使用ajax在后台发送post禁用/启用用户请求
+    // function userdisabled(id) {
+    //     //btn-danger
+    //     $.ajax({
+    //         url: 'userdisabled',
+    //         type: 'post',
+    //         data: {
+    //             id: id
+    //         },
+    //         success: function (data) {
+    //             if (data.status === 'success') {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("reload");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //                 $('#exampleModal3').on('hidden.bs.modal', function () { //针对点击modal外的情况的处理
+    //                     reloadka("reload");
+    //                 });
+    //             } else {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("close");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //             }
+    //         },
+    //         error: function (xhr, status, error) {
+    //             // 处理请求失败的逻辑
+    //             console.log('请求失败:', error);
+    //             alert('请求请求失败，请重试');
+    //         }
+    //     });
+    // }
+    //
+    // function userenabled(id) {
+    //     $.ajax({
+    //         url: 'userenabled',
+    //         type: 'post',
+    //         data: {
+    //             id: id
+    //         },
+    //         success: function (data) {
+    //             if (data.status === 'success') {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("reload");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //                 $('#exampleModal3').on('hidden.bs.modal', function () {
+    //                     reloadka("reload");
+    //                 });
+    //             } else {
+    //                 $('#de_message').text(data.message);
+    //                 $('#de_button').on('click', function () {
+    //                     reloadka("close");
+    //                 });
+    //                 $('#exampleModal3').modal('show');
+    //             }
+    //         },
+    //         error: function (xhr, status, error) {
+    //             // 处理请求失败的逻辑
+    //             console.log('请求失败:', error);
+    //             alert('请求请求失败，请重试');
+    //         }
+    //     });
+    // }
+    //
     //处理成功/失败后的刷新页面/关闭模态框操作
     function reloadka(action) {
         if (action === 'reload') {