zoukankan      html  css  js  c++  java
  • html5的websocket

    转载:http://blog.csdn.net/liuhe688/article/details/50496780

    var WebSocketServer = require('ws').Server;
    var socket = new WebSocket('ws://www.websocket-testing.com:9000/server', 'subprotocol');
    socket.onopen = function(e) {
        console.log('websocket connection has established');
    }
    //send message to websocket server
    socket.send('hello, server');
    
    //receive message from websocket server
    socket.onmessage = function(e){
        //obtain the message from server
        var message = e.data;
        
        //do something
    }
    
    //cut off the connection
    socket.close();
    
    socket.onclose = function(e){
        //do something
    }
    //监听到失败后重新连接
    socket.onclose = function() {
        setTimeout(function() {
            //reconnect operation
        }, 100000);
    }

    Web Workers 一次任务然后就关闭了。

    var w;
    
    function startWorker()
    {
    if(typeof(Worker)!=="undefined")
      {
      if(typeof(w)=="undefined")
      {
      w=new Worker("/example/html5/demo_workers.js");
      }
      w.onmessage = function (event) {
        document.getElementById("result").innerHTML=event.data;
        };
      }
    else
      {
      document.getElementById("result").innerHTML="Sorry, your browser does not support Web Workers...";
      }
    }
    
    function stopWorker()
    { 
    w.terminate();
    }

    Server-Sent 事件 - 单向消息传递

    Server-Sent 事件指的是网页自动获取来自服务器的更新。

    var source=new EventSource("demo_sse.php");
    source.onmessage=function(event)
      {
      document.getElementById("result").innerHTML+=event.data + "<br />";
      };
    

      

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  • 原文地址:https://www.cnblogs.com/coding4/p/6535564.html
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