renceng
/
TMS


			
				
					
						
						
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							<!DOCTYPE HTML>
<html>
<head>
    <title>My WebSocket</title>
</head>

<body>
Welcome<br/>
<input id="text" type="text" /><button onclick="send()">Send</button>    <button onclick="closeWebSocket()">Close</button>
<div id="message">
</div>
</body>

<script type="text/javascript">
	
	function freshpage(){
		//获取总高度
		var heigh = document.body.scrollHeight;
		window.scrollTo(0,heigh);
	}
	
	
    var websocket = null;
    
//  var ipAdress = getUrlParms("ipAdress");
    var fileName = getUrlParms("fileName");
	var host = getUrlParms("ipAdress");
    //判断当前浏览器是否支持WebSocket
    if('WebSocket' in window){
        websocket = new WebSocket("ws://" + host + ":7771/webSocket/"+fileName);
//      websocket = new WebSocket("ws://localhost:7771/webSocket/"+"入参");
    }
    else{
        alert('Not support websocket')
    }

    //连接发生错误的回调方法
    websocket.onerror = function(){
        setMessageInnerHTML("error");
    };

    //连接成功建立的回调方法
    websocket.onopen = function(event){
        setMessageInnerHTML("open");
    }

    //接收到消息的回调方法
    websocket.onmessage = function(event){
        setMessageInnerHTML(event.data);
        freshpage();
    }

    //连接关闭的回调方法
    websocket.onclose = function(){
        setMessageInnerHTML("close");
    }

    //监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
    window.onbeforeunload = function(){
        websocket.close();
    }

    //将消息显示在网页上
    function setMessageInnerHTML(innerHTML){
        document.getElementById('message').innerHTML += innerHTML + '<br/>';
    }

    //关闭连接
    function closeWebSocket(){
        websocket.close();
    }

    //发送消息
    function send(){
        var message = document.getElementById('text').value;
        websocket.send(message);
    }
    
    //获取地址栏参数，name:参数名称
 function getUrlParms(name){
   var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
   var r = window.location.search.substr(1).match(reg);
   if(r!=null)
   return unescape(r[2]);
   return null;
   }
    
</script>
</html>