将代码复制，存到一个html文件中，打开即可。代码示例:
<html><head><meta http-equiv="Content-Type" content="text/html;charset=gbk" /><title>Web sockets test</title><script type="text/javascript">var ws;function Clicked() {try {ws = new WebSocket("ws:http://127.0.0.1:8080/SZYJ/getmoduleinfo?appid=1&ticket=wanli_127.0.0.1_1572340419452");//连接服务器//ws = new WebSocket("ws://echo.websocket.org/");//连接服务器//连接websocketws.onopen = function(event, AlarmMessage) {alert("已经与服务器建立了连接rn当前连接状态：" + this.readyState);};//websocket传输数据ws.onmessage = function(event) {alert("接收到服务器发送的数据：rn" + event.data);var bjts = event.data;};//websocket关闭连接ws.onclose = function(event) {alert("已经与服务器断开连接rn当前连接状态：" + this.readyState);};//websocket连接异常ws.onerror = function(event) {alert("WebSocket异常！");};} catch (ex) {alert(ex.message);}};function seestate() {alert(ws.readyState);}</script></head><body><button id=‘ToggleConnection‘ type="button" onclick=‘Clicked();‘>连接服务器</button><br /><br /><button id=‘ToggleConnection‘ type="button" onclick=‘seestate();‘>查看状态</button><br /><br /></body></html>
宁玉哥模板:
