【webSokect】基于django Channels的简单实现

# settings.py:

INSTALLED_APPS = [

    'django.contrib.admin',

    'django.contrib.auth',

    'django.contrib.contenttypes',

    'django.contrib.sessions',

    'django.contrib.messages',

    'django.contrib.staticfiles',

    'channels',

]

ASGI_APPLICATION = "webSokect.routing.application"

# routing.py

#!/usr/bin/env python

# -*- coding:utf-8 -*-

from channels.routing import ProtocolTypeRouter, URLRouter

from django.conf.urls import url

from api import consumers

application = ProtocolTypeRouter({

    'websocket': URLRouter([

        url(r'^chat/$', consumers.ChatConsumer),

    ])

})

# consumers.py

#!/usr/bin/env python

# -*- coding:utf-8 -*-

from channels.generic.websocket import WebsocketConsumer

from channels.exceptions import StopConsumer

CLIENTS = []

class ChatConsumer(WebsocketConsumer):

    def websocket_connect(self, message):

        self.accept()

        CLIENTS.append(self)

    def websocket_receive(self, text_data=None, bytes_data=None):

        # print("message",text_data)

        for item in CLIENTS:

            item.send(text_data['text'])

        # self.send(text_data['text'])

    def websocket_disconnect(self, message):

        print('客户端断开连接了')

        CLIENTS.remove(self)

        raise StopConsumer()

# chat.html

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Talking</title>

    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">

    <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>

    <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>

    <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>

    <style>

        #taking {

            width: 100%;

            height: 700px;

            background: #42fbff;

        }

    </style>

</head>

<body>

<div id="app" class="container">

    <div class="card-header">在线聊天室</div>

    <div id="taking">

        <ul id="uls">

        </ul>

    </div>

    <div style="width: 100%;height: 80px">

        <textarea type="text" id="txt" placeholder="请输入内容" style="width: 100%;height: 100%"></textarea>

    </div>

    <button class="btn btn-primary" style="width: 100px" id="sendMsg">发送</button>

    <button class="btn btn-danger" style="width: 100px" id="close">断开连接</button>

</div>

</body>

</html>

<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>

<script>

    var ws = new WebSocket("ws://127.0.0.1:8001/chat/")

    // 检测是否连接成功

    ws.onopden = function(event){

        console.log("成功连接");

    };

    // 接受消息

    ws.onmessage = function(event){

        {#console.log("消息",event.data);#}

        var tag = $("<li>" + event.data + "</li>")

        {#console.log(tag)#}

        {#tag.text(event.data)#}

        $("#uls").append(tag)

    }

    // 发送

    $("#sendMsg").click(function () {

        ws.send($("#txt").val())

    })

    // 关闭

    $("#close").click(function () {

        ws.close()

        console.log("断开成功");

    })

</script>

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【webSokect】基于django Channels的简单实现

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