websocket的一个问题请教？

 },

onShow: function () {

clearInterval(this.setInter)

   var that = this;

   this.initWebsocket();

   this.keepAlive()

},

initWebsocket() {

   var that = this

wx.connectSocket({

url: this.mag.wsHost

})

//连接成功

wx.onSocketOpen(function () {

console.log('ws连接成功');

})

//连接失败

wx.onSocketError(function () {

console.log('ws连接失败');

})

wx.onSocketClose(function (res) {

console.log('xxxx') // 监听WebSocket关闭

wx.connectSocket({

url: that.mag.wsHost

})

})

},

keepAlive() {

 this.setInter=

setInterval(

() => {

       var obj = { 'wsType': 'KEEPALIVE' }

console.log("发送心跳包")

wx.sendSocketMessage({

data: JSON.stringify(obj),

});

}

, 10000);

}