增加teacher登陆和teacher主页

Html/db/data/user/TCake.json

@@ -0,0 +1 @@
+{"user_id": "TCake", "select_course": [], "head_icon": "", "course_process_dict": {}}

Html/db/data/user/user_id_list.json

@@ -1,8 +1,30 @@
 {
-    "user123": "password123",
-    "user456": "password456",
-    "user789": "password789",
-    "cake": "123123",
-    "a": "123123",
-    "CakeCN": "123123"
+    "user123": {
+        "password": "password123",
+        "teacher": false
+    },
+    "user456": {
+        "password": "password456",
+        "teacher": false
+    },
+    "user789": {
+        "password": "password789",
+        "teacher": false
+    },
+    "cake": {
+        "password": "123123",
+        "teacher": false
+    },
+    "a": {
+        "password": "123123",
+        "teacher": false
+    },
+    "CakeCN": {
+        "password": "123123",
+        "teacher": false
+    },
+    "TCake": {
+        "password": "123123",
+        "teacher": true
+    }
 }

Html/db/user_list.py

@@ -7,11 +7,11 @@ class UserList:
         with open(self.db_file, 'r', encoding='utf-8') as f:
             self.db = json.load(f)
 
-    def add_user(self, user_id, password):
+    def add_user(self, user_id, password, teacher=False):
         """添加新的用户登录信息"""
         # 检查是否已经有该用户
         if user_id not in self.db:
-            self.db[user_id] = password
+            self.db[user_id] = {'password': password, 'teacher': teacher}
             with open(self.db_file, 'w', encoding='utf-8') as f:
                 json.dump(self.db, f, indent=4)
         else:
@@ -21,17 +21,24 @@ class UserList:
         """检查用户是否存在"""
         return user_id in self.db
     
+    def get_user_is_teacher(self, user_id):
+        """获取指定 user_id 的用户是否为教师"""
+        if user_id in self.db:
+            result = self.db[user_id]
+            return result['teacher']
+        return None
+
     def get_user_pswd(self, user_id):
         """获取指定 user_id 的用户信息"""
         if user_id in self.db:
             result = self.db[user_id]
-            return result
+            return result['password']
         return None
     
     def update_password(self, user_id, new_password):
         """更新用户的密码"""
         assert self.db.get(user_id) is not None, f"User with ID {user_id} does not exist."
-        self.db[user_id] = new_password
+        self.db[user_id] = {'password': new_password, 'teacher': self.db[user_id]['teacher']}
         with open(self.db_file, 'w', encoding='utf-8') as f:
             json.dump(self.db, f, indent=4)