微信小程序客户端与服务端进行WebSocket通信

（一）首先去nginx配置websocket的通信协议

（二）然后编写wx.js代码

Page({data: {socketStatus: 'closed',},/*** 生命周期函数--监听页面加载*/onLoad: function (options) {var that = this;if (that.data.socketStatus === 'closed') {that.openSocket();}},openSocket:function() {//打开时的动作wx.onSocketOpen(() => {console.log('WebSocket 已连接')this.data.socketStatus = 'connected';this.sendMessage();})//断开时的动作wx.onSocketClose(() => {console.log('WebSocket 已断开')this.data