一、安装dwebsocket第三方库
pip install dwebsocket
# 安装dwebsocket库
# django-websocket已废弃
GitHub：
https://github.com/duanhongyi/dwebsocket
二、Django工程代码
display/views.py：
1 from django.http import HttpResponse 2 from django.shortcuts import render 3 4 # Create your views here. 5 from dwebsocket.decorators import accept_websocket 6 7 8 @accept_websocket 9 def echo(request):10 if not request.is_websocket():11 # 判断是不是websocket连接12 try:13 message = request.GET['message']14 # 如果是普通的http方法15 return HttpResponse(message)16 except:17 return render(request, 'index.html')18 else:19 for message in request.websocket:20 message = message.decode('utf-8')21 # 接收前端发来的数据22 print(message)23 if message == 'connect_websocket':24 with open('/Users/yangjianliang/jmeter.log') as f:25 # 读取日志26 f.seek(0, 2)27 while True:28 line = f.readline().strip()29 if line:30 print(line)31 request.websocket.send(line.encode('utf-8'))32 # 发送消息到客户端33 else:34 request.websocket.send('sorry!'.encode('utf-8'))
journal/urls.py：
1 """journal URL Configuration 2 3 The `urlpatterns` list routes URLs to views. For more information please see: 4 https://docs.djangoproject.com/en/2.2/topics/http/urls/ 5 Examples: 6 Function views 7 1. Add an import: from my_app import views 8 2. Add a URL to urlpatterns: path('', views.home, name='home') 9 Class-based views10 1. Add an import: from other_app.views import Home11 2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')12 Including another URLconf13 1. Import the include() function: from django.urls import include, path14 2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))15 """16 from django.contrib import admin17 from django.urls import path18 19 from display import views20 21 urlpatterns = [22 path('admin/', admin.site.urls),23 path('echo/', views.echo),24 ]
templates/index.html：
1 <!DOCTYPE html > 2 <html lang="en"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 5 <title>日志查看系统title> 6 <script src="/static/admin/js/vendor/jquery/jquery.js">script> 7 <script type="text/javascript"> 8 $(function () { 9 $('#connect_websocket').click(function () {10 if (window.s) {11 window.s.close()12 }13 var socket = new WebSocket("ws://" + window.location.host + "/echo/");14 console.log(socket);15 socket.onopen = function () {16 console.log('WebSocket连接成功！');17 socket.send($('#connect_websocket').val());18 };19 socket.onmessage = function (e) {20 console.log('服务器日志为：' + e.data);21 $('#messagecontainer').append(e.data + '
');22 };23 if (socket.readyState == WebSocket.OPEN) socket.onopen();24 window.s = socket;25 });26 27 $('#close_websocket').click(function () {28 if (window.s) {29 window.s.close();30 console.log('WebSocket已关闭！');31 }32 });33 34 });35 script>36 head>37 38 <body>39 40 <button style="background-color: green" type="button" id="connect_websocket" value="connect_websocket">实时查看日志button>41 <button style="background-color: red" type="button" id="close_websocket">关闭WebSocketbutton>42 43 <h3>JMeter日志（tail -f jmeter.log）h3>44 <hr/>45 <div style="background-color: bisque" id="messagecontainer">div>46 <hr/>47 48 body>49 50 html> 三、Web页面访问http://127.0.0.1:8000/echo/
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