uniapp 使用 socket.io通讯 服务端nodejs+express

uniapp

安装: npm i socket.io-client

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onLoad:function(){   var _this =this;   _this.socket = io.connect('http://localhost:30000/', {transports: ['websocket']});   _this.socket.on('connect', (res) => {      _this.socket.emit('StartConnection',"11212");   })   console.log(29,_this.socket);   _this.socket.on('enter', function (data) {         console.log(30,data)   }) },

　

node 服务端代码

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const socketIO = require("socket.io"); const io = socketIO(server); const port = 30000; let clientCount = 0; io.on("connection", (socket) => {   socket.on("StartConnection", async (device) => {     clientCount++;     socket.emit("enter",device);     socket.on('message', function (str) {       console.log("123213213")     })  }) }) server.listen(port, function () {   console.log("App running on : " + port); });