[英]socket.io not emitting
因此,我有一个名为server的应用程序,另一个名为client的应用程序,服务器提供程序供客户端使用的所有数据。 问题是,当我尝试从服务器(端口8080)发出并接收到客户端(端口80)时,什么也没发生
服务器:app.js
var app = require ("./config/server.js");
var http = require('http').createServer(app);
var io = require("socket.io")(http);
http.listen(8080, function(){
console.log('Server side instagram_clone_v01 online');
});
io.sockets.on('connect', function (socket) {
console.log("conectou socket.id="+socket.id);
});
当服务器数据库插入新照片时,这称为:
io.emit("newPhoto");
客户端:app.js
var app = require('./config/server');
app.listen(80, function(){
console.log('Server client instagram_clone_v01 online');
});
var io = require('socket.io');
这在ejs代码内部称为:
const socket = io.connect('http://localhost:8080', {transports: ['websocket', 'polling', 'flashsocket']});
socket.on('newPhoto',function(){
load_posts();
});
用费德里科的答案编辑
我添加了io.origins('*:*');
到服务器,但发出不发出
我不知道您为什么使用io.sockets.on
,但在文档中找不到它。 我试图清除代码,尝试一下。
server.js
var app = require ("./config/server.js");
var http = require('http').Server(app);
var io = require("socket.io")(http);
http.listen(8080, function(){
console.log('Server side instagram_clone_v01 online');
});
io.on('connect', socket => {
console.log("user" + socket.request.user.id + "connected");
socket.on('disconnect', function() {
console.log('A user has disconnected');
}
io.emit("newPhoto");
});
client.js
//io() works only when connecting to a socket hosted on the same url/server
// For connecting to an external socket hosted elsewhere, you would use io.connect('URL');
var socket = io();
socket.on('newPhoto',function(){
load_posts();
});
在登录后将用户重定向到的页面中,应包括以下脚本:
<script src="/socket.io/socket.io.js"></script>
<script src="/client.js"></script>
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.