installed_apps = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'channels', # 添加这行
'your_app', # 你的应用名
]

asgi_application = "your_project.asgi.application"

# channels 配置
channel_layers = {
'default': {
'backend': 'channels.layers.inmemorychannellayer'
}
}

import os
ｆrom django.core.asgi import get_asgi_application
ｆrom channels.routing import protocoltyperouter, urlrouter
ｆrom channels.auth import authmiddlewarestack
import your_app.routing # 稍后我们会创建这个

os.environ.setdefault('django_settings_module', 'your_project.settings')

application = protocoltyperouter({
"http": get_asgi_application(),
"websocket": authmiddlewarestack(
urlrouter(
your_app.routing.websocket_urlpatterns
)
),
})

ｆrom channels.generic.websocket import asyncwebsocketconsumer
import json

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}'

# 加入房间组
await self.channel_layer.group_add(
self.room_group_name,
self.channel_name
)

await self.accept()

async def disconnect(self, close_code):
# 离开房间组
await self.channel_layer.group_discard(
self.room_group_name,
self.channel_name
)

async def receive(self, text_data):
text_data_json = json.loads(text_data)
message = text_data_json['message']

# 发送消息到房间组
await self.channel_layer.group_send(
self.room_group_name,
{
'type': 'chat_message',
'message': message
}
)

async def chat_message(self, event):
message = event['message']

# 发送消息到 websocket
await self.send(text_data=json.dumps({
'message': message
}))

ｆrom django.urls import re_path
ｆrom . import consumers

websocket_urlpatterns = [
re_path(r'ws/chat/(?pw+)/$', consumers.chatconsumer.as_asgi()),
]

ｆrom django.shortcuts import render

def chat_room(request, room_name):
return render(request, 'chat_room.html', {
'room_name': room_name
})

{{ room_name|json_script:"room-name" }}

ｆrom django.urls import path
ｆrom . import views

urlpatterns = [
path('chat//', views.chat_room, name='chat_room'),
]