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<!DOCTYPE HTML><html> <head> <meta charset="utf-8"> <title>websocket测试(runoob.com)</title> <script type="text/javascript"> function WebSocketTest() { if ("WebSocket" in window) { alert("您的浏览器支持 WebSocket!"); // 初始化一个 WebSocket 对象，参数指明url var ws = new WebSocket("ws://localhost:9999"); // WebSocket 连接时候触发 ws.onopen = function() { //使用 send() 方法发送数据 ws.send("客户端发送的数据"); alert("数据发送中..."); }; // 接收服务端数据时触发 ws.onmessage = function (evt) { var received_msg = evt.data; console.log(received_msg); alert("数据已接收..."); }; //断开 web socket 连接成功触发事件 ws.onclose = function() { // 关闭 websocket alert("连接已关闭..."); }; } else { // 浏览器不支持 WebSocket alert("您的浏览器不支持 WebSocket!"); } } </script> </head> <body> <div id="sse"> <a href="javascript:WebSocketTest()">运行 WebSocket</a> </div> </body></html>
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