[英]Cant get connection with Socket.IO from Angular to NodeJS
我试图解决这个问题几个小时..如果有人可以帮助我。 我不明白为什么这不会发出或接收消息。
在 angular 我得到了这个错误:
http://localhost:4200/socket.io/?EIO=3&transport=polling&t=NEhK-JT 404
4200 是我的 Angular 应用程序的端口和我的服务器的 8080。
节点JS:
// Define Porta
const port = process.env.PORT || 8080;
var server = app.listen(port, function () {
console.log('Server Online - ' + port);
});
// Socket.io
var io = require('socket.io').listen(server);
io.on('connect', function (socket) {
console.log(`${socket.id} is connected`);
socket.on('room', function (room) {
console.log('room', room)
socket.join(room);
});
});
Angular 9:
import * as io from 'socket.io-client'
public socket
public orgId: string = '123abc'
ngOnInit(): void {
this.setupSocketConnection();
}
chat(nome: string, avatar: number, mensagem: string) {
io.connect(this.orgId).emit('organizacao', {
nome: nome,
mensagem: mensagem,
avatar: avatar,
});
}
setupSocketConnection() {
this.socket = io.connect(`http://localhost:8080`, {
reconnectionDelay: 1000,
reconnection: true,
reconnectionAttempts: 10,
transports: ['websocket'],
agent: false,
upgrade: false,
rejectUnauthorized: false
});
}
从我在服务器的 Console.log
zEnR7Cp23zcur4_kAAAH is connected
86sIiMA8vRZEN-WcAAAI is connected
SU4K2n9jAx_UO2ndAAAJ is connected
UAwlMpNiZWhw_eo9AAAK is connected
K6myruVum4FPKTeLAAAL is connected
Z5QULdZtdsRo5gC1AAAM is connected
如果您尝试实现rooms
,请阅读https://socket.io/docs/rooms/
对于您的情况,我在这里看到的是,在服务器端,您正在收听名为room
的事件,而在客户端,您正在向organizacao
发送,您还需要使用socket
object 而不是io
,请参阅此处Z5E056C500ADD80B4 //www.npmjs.com/package/socket.io-client
socket.connect(this.orgId).emit('room', {
nome: nome,
mensagem: mensagem,
avatar: avatar,
});
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.