本文介绍了socket.io客户端未收到的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我在nodejs中使用socket.io,并且能够将数据从客户端发送到服务器.但是当我从服务器发出消息时,客户端似乎没有收到此消息.我想念什么?
I am using socket.io in nodejs and I am able to send data from client to server. But when I emit from server, the client does not seem to be receiving this...What am i missing ?
socket = io.listen(app);
socket.sockets.on('connection', function(client){
client.on('something-from-client', function(msg){
console.log(msg);
//do something.
client.emit('some-result',{"total":docs.length});
});
});
客户端:
var socket = io.connect('http://localhost:9999');
socket.on('some-result', function(data){
console.log('received from server', data);
});
socket.emit("something-from-client", {"lat":lat, "lng":lng});
推荐答案
好了,如果正在使用express,则需要在服务器端进行一些小的更改
Ok got it working, if express is being used, some minor changes need to be done on server side
var port = 8111;
var server = express.createServer();
io = require('socket.io').listen(server);
server.listen(port);
io.sockets.on('connection', function (socket) {
socket.emit('news', { hello: 'world' });
socket.on('my other event', function (data) {
console.log(data);
});
});
按承诺-工作代码- https://github.com/parj/node-websocket-demo/tree/socket_emit
CF参考- http://socket.io/#how-to-use
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