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django websocket

news 2025/8/21 21:59:27

目录
在这里插入图片描述

核心代码
consumers.py

from channels.generic.websocket import WebsocketConsumer
from channels.exceptions import StopConsumer
import datetime
import time
from asgiref.sync import async_to_sync
class ChatConsumer(WebsocketConsumer):def websocket_connect(self, message):# 有客户端像后端发送websocket连接的请求时候，自动触发# 服务端允许和客户端创建连接self.accept()def websocket_receive(self, message):# 浏览器基于websocket想后端发送数据，自动触发接受消息print(f"接收到消息了:{message}")self.send("不要回复不要回复",datetime.datetime.now())#self.close() 这个是服务端主动断开连接def websocket_disconnect(self, message):# 客户端与服务器断开连接是，自动触发print("关闭连接")raise StopConsumer

tests.py

import requests
url='http://127.0.0.1:8000/info/'
response=requests.post(url=url,json={'name':'张无忌','info':'太极'})
print(response.text)
``
views.py```python
from django.shortcuts import render
from django.http import request,JsonResponse# Create your views here.def index(request):return render(request,'index.html',locals())def info(request):if request.method=='POST':print(request.body.decode())return JsonResponse({'status':'success'})

index.html

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Title</title><script src="/static/jquery-3.6.1.min.js"></script>
</head>
<body>
<div id="message">
<div><input type="text" placeholder="请输入" id="txt"><input type="button" value="发送" onclick="sendMessage()">
</div>
</div>
<script>socket=new WebSocket("ws://127.0.0.1:8000/ws/group/")function sendMessage() {socket.send($("#txt").val())$("#txt").val('')}socket.onmessage=function  (event){console.log("接收到消息了收到了吗")console.log(event.data)}socket.onclose=function (event){console.log("断开连接")}
</script>
</body>
</html>

asgi.py

import osfrom django.core.asgi import get_asgi_application
from channels.routing import ProtocolTypeRouter,URLRouter
from dchannel import  routingos.environ.setdefault('DJANGO_SETTINGS_MODULE', 'dchannel.settings')# application = get_asgi_application()
application=ProtocolTypeRouter({"http":get_asgi_application(),#自动去找urls.py,会找路由和视图函数-->http请求"websocket":URLRouter(routing.websocket_urlpatterns)#routing(urls),consumers(views)
})

routing.py

from django.urls import re_path
from app01 import  consumers
websocket_urlpatterns={re_path(r'ws/(?P<group>\w+)/$',consumers.ChatConsumer.as_asgi())
}

urls.py

from django.contrib import admin
from django.urls import path
from app01 import views
urlpatterns = [path('admin/', admin.site.urls),path('index/',views.index),path('info/',views.info)
]