var heartCheck = {  //心跳检测
     timeout: 3000,socket:websocket.getSocket()
     timeoutObj: null,
     serverTimeoutObj: null,
     start: function(ws){
         console.log('start');
         var self = this;
         this.timeoutObj && clearTimeout(this.timeoutObj);
         this.serverTimeoutObj && clearTimeout(this.serverTimeoutObj);
         this.timeoutObj = setTimeout(function(){
             ws.send("123456789");
             self.serverTimeoutObj = setTimeout(function() {
                 ws.close();
             }, self.timeout);

         }, this.timeout)
     }
 }