前后端第一版提交

2025-11-11 17:21:59 +08:00
commit 96e9a6d396
241 changed files with 197906 additions and 0 deletions
--- a/hertz_demo/consumers.py
+++ b/hertz_demo/consumers.py
@@ -0,0 +1,120 @@
+import json
+from datetime import datetime
+from channels.generic.websocket import AsyncWebsocketConsumer
+from channels.db import database_sync_to_async
+
+
+class ChatConsumer(AsyncWebsocketConsumer):
+    async def connect(self):
+        self.room_name = self.scope['url_route']['kwargs']['room_name']
+        self.room_group_name = f'chat_{self.room_name}'
+
+        # Join room group
+        await self.channel_layer.group_add(
+            self.room_group_name,
+            self.channel_name
+        )
+
+        await self.accept()
+
+    async def disconnect(self, close_code):
+        # Leave room group
+        await self.channel_layer.group_discard(
+            self.room_group_name,
+            self.channel_name
+        )
+
+    # Receive message from WebSocket
+    async def receive(self, text_data):
+        text_data_json = json.loads(text_data)
+        message_type = text_data_json.get('type', 'chat_message')
+        message = text_data_json.get('message', '')
+        username = text_data_json.get('username', 'Anonymous')
+
+        # Send message to room group
+        await self.channel_layer.group_send(
+            self.room_group_name,
+            {
+                'type': message_type,
+                'message': message,
+                'username': username,
+                'timestamp': datetime.now().strftime('%H:%M:%S')
+            }
+        )
+
+    # Receive message from room group
+    async def chat_message(self, event):
+        message = event['message']
+        username = event['username']
+        timestamp = event['timestamp']
+
+        # Send message to WebSocket
+        await self.send(text_data=json.dumps({
+            'type': 'chat_message',
+            'message': message,
+            'username': username,
+            'timestamp': timestamp
+        }))
+
+    async def user_join(self, event):
+        username = event['username']
+        timestamp = event['timestamp']
+
+        await self.send(text_data=json.dumps({
+            'type': 'user_notification',
+            'message': f'{username} 加入了聊天室',
+            'username': username,
+            'timestamp': timestamp
+        }))
+
+    async def user_leave(self, event):
+        username = event['username']
+        timestamp = event['timestamp']
+
+        await self.send(text_data=json.dumps({
+            'type': 'user_notification',
+            'message': f'{username} 离开了聊天室',
+            'username': username,
+            'timestamp': timestamp
+        }))
+
+
+class EchoConsumer(AsyncWebsocketConsumer):
+    async def connect(self):
+        await self.accept()
+
+    async def disconnect(self, close_code):
+        pass
+
+    async def receive(self, text_data):
+        try:
+            # 解析接收到的JSON数据
+            data = json.loads(text_data)
+            message = data.get('message', '').strip()
+            
+            if message:
+                # 返回回声消息
+                response = {
+                    'type': 'echo_message',
+                    'original_message': message,
+                    'echo_message': f'回声: {message}',
+                    'timestamp': datetime.now().strftime('%H:%M:%S')
+                }
+            else:
+                # 如果消息为空
+                response = {
+                    'type': 'error',
+                    'message': '消息不能为空',
+                    'timestamp': datetime.now().strftime('%H:%M:%S')
+                }
+                
+            await self.send(text_data=json.dumps(response, ensure_ascii=False))
+            
+        except json.JSONDecodeError:
+            # JSON解析错误
+            error_response = {
+                'type': 'error',
+                'message': '无效的JSON格式',
+                'timestamp': datetime.now().strftime('%H:%M:%S')
+            }
+            await self.send(text_data=json.dumps(error_response, ensure_ascii=False))