html5 WebSocket

var Socket = new WebSocket(url, [protocol] );

if ("WebSocket" in window)
            {
               alert("您的浏览器支持 WebSocket!");
               
               // 打开一个 web socket
               var ws = new WebSocket("ws://localhost:9998/echo");
                
               ws.onopen = function()
               {
                  // Web Socket 已连接上，使用 send() 方法发送数据
                  ws.send("发送数据");
                  alert("数据发送中...");
               };
                
               ws.onmessage = function (evt) 
               { 
                  var received_msg = evt.data;
                  alert("数据已接收...");
               };
                
               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!");
            }

(function() {
            var socket = new WebSocket(‘ws://1994‘);
             
            var shock = document.getElementById(‘shock‘);
            var mar_bom0 = document.getElementById(‘mar_bom0‘);
            var mar_bom1 = document.getElementById(‘mar_bom1‘);
            var mar_bom2 = document.getElementById(‘mar_bom2‘);
            var end = document.getElementById(‘end‘);
            var suspend = document.getElementById(‘suspend‘);
            var continue1 = document.getElementById(‘continue‘);

            socket.onopen = function(event) {
                layer.msg(‘座椅连接成功！‘);
                var content = ‘5 ‘;

                // var content = ‘58 46 5a ‘+‘<?php echo $arr[‘position‘]; ?>‘+‘ 00 05 01 ‘+‘<?php echo $arr[‘mac‘]; ?>‘+‘ 00 00 00 00 00 00 00 00 00 00 00 00 FF FF 45 4e 44‘;
                if(content.length <= 0) {
                    layer.msg(‘指令为空！‘);
                    return false;
                }
                socket.send(content);
                $("#img0").attr(‘src‘,‘__STATIC__/theme/default/img/car/start.png‘);
                console.log(content);
            }
            /**
             * 接受服务端传送的数据
             */
            socket.onmessage = function(event) {
                console.log(event.data);
            }

            socket.onerror = function() {
                layer.msg(‘座椅连接失败！‘);
                  return false;
            }