更新用户管理，现在能通过班导师，管理员，学生进入对应的页面进行密码修改

elastic/templates/elastic/users.html

@@ -216,20 +216,49 @@
     </div>
   </div>
 
-  <!-- 主内容区域 -->
   <div class="main-content">
+    {% if is_student %}
+    <div class="card">
+      <div class="header"><h2>修改密码</h2></div>
+      <form id="selfPwdForm">
+        <input type="hidden" id="selfUserId" name="user_id" value="{{ user_id }}">
+        <div class="form-group">
+          <label for="password">新密码</label>
+          <input type="password" id="password" name="password" required>
+        </div>
+        <div class="form-group">
+          <label for="confirmPassword">确认密码</label>
+          <input type="password" id="confirmPassword" name="confirmPassword" required>
+        </div>
+        <button type="submit" class="btn btn-primary">保存</button>
+      </form>
+    </div>
+    {% else %}
+    {% if is_tutor %}
+    <div class="card">
+      <div class="header"><h2>修改本人密码</h2></div>
+      <form id="selfPwdForm">
+        <input type="hidden" id="selfUserId" name="user_id" value="{{ user_id }}">
+        <div class="form-group">
+          <label for="password">新密码</label>
+          <input type="password" id="password" name="password" required>
+        </div>
+        <div class="form-group">
+          <label for="confirmPassword">确认密码</label>
+          <input type="password" id="confirmPassword" name="confirmPassword" required>
+        </div>
+        <button type="submit" class="btn btn-primary">保存</button>
+      </form>
+    </div>
+    {% endif %}
     <div class="card">
       <div class="header">
         <h2>用户管理</h2>
-        <button id="addUserBtn" class="btn btn-primary">添加用户</button>
+        {% if is_admin %}<button id="addUserBtn" class="btn btn-primary">添加用户</button>{% endif %}
       </div>
 
-      <div class="notification success" id="successNotification">
-        操作成功！
-      </div>
-      <div class="notification error" id="errorNotification">
-        操作失败！
-      </div>
+      <div class="notification success" id="successNotification">操作成功！</div>
+      <div class="notification error" id="errorNotification">操作失败！</div>
 
       <div class="search-container">
         <input type="text" id="searchInput" placeholder="搜索用户名...">
@@ -247,12 +276,11 @@
               <th>操作</th>
             </tr>
           </thead>
-          <tbody id="usersTableBody">
-            <!-- 用户数据将通过JavaScript加载 -->
-          </tbody>
+          <tbody id="usersTableBody"></tbody>
         </table>
       </div>
     </div>
+    {% endif %}
   </div>
 
   <!-- 添加/编辑用户模态框 -->
@@ -511,7 +539,10 @@
     }
 
     // 事件监听器
-    document.getElementById('addUserBtn').addEventListener('click', openAddModal);
+    const addBtn = document.getElementById('addUserBtn');
+    if (addBtn) {
+        addBtn.addEventListener('click', openAddModal);
+    }
 
     document.getElementById('userForm').addEventListener('submit', saveUser);
 
@@ -523,15 +554,21 @@
         });
     });
 
-    document.getElementById('searchBtn').addEventListener('click', function() {
-        const searchTerm = document.getElementById('searchInput').value;
-        loadUsers(searchTerm);
-    });
+    const searchBtn = document.getElementById('searchBtn');
+    if (searchBtn) {
+        searchBtn.addEventListener('click', function() {
+            const searchTerm = document.getElementById('searchInput').value;
+            loadUsers(searchTerm);
+        });
+    }
 
-    document.getElementById('resetBtn').addEventListener('click', function() {
-        document.getElementById('searchInput').value = '';
-        loadUsers();
-    });
+    const resetBtn = document.getElementById('resetBtn');
+    if (resetBtn) {
+        resetBtn.addEventListener('click', function() {
+            document.getElementById('searchInput').value = '';
+            loadUsers();
+        });
+    }
 
     // 点击模态框外部关闭模态框
     window.addEventListener('click', function(event) {
@@ -572,7 +609,34 @@
 
     // 页面加载时获取用户列表
     document.addEventListener('DOMContentLoaded', function() {
-        loadUsers();
+        const selfForm = document.getElementById('selfPwdForm');
+        if (selfForm) {
+            selfForm.addEventListener('submit', async (e) => {
+                e.preventDefault();
+                const uid = document.getElementById('selfUserId').value;
+                const pwd = document.getElementById('password').value;
+                const cpwd = document.getElementById('confirmPassword').value;
+                if (pwd !== cpwd) { showNotification('密码和确认密码不匹配', false); return; }
+                if ((pwd || '').length < 6) { showNotification('密码长度至少为6位', false); return; }
+                try {
+                    const csrftoken = getCookie('csrftoken');
+                    const resp = await fetch(`/elastic/users/${uid}/update/`, {
+                        method: 'POST', credentials: 'same-origin',
+                        headers: { 'Content-Type': 'application/json', 'X-CSRFToken': csrftoken || '' },
+                        body: JSON.stringify({ password: pwd })
+                    });
+                    const result = await resp.json();
+                    if (resp.ok && result.status === 'success') { showNotification('修改成功'); }
+                    else { showNotification(result.message || '操作失败', false); }
+                } catch (error) {
+                    showNotification('保存失败', false);
+                }
+            });
+        }
+        const tbody = document.getElementById('usersTableBody');
+        if (tbody) {
+            loadUsers();
+        }
     });
 
     // 为表格中的编辑和删除按钮添加事件监听器