[英]socket.io emit callback not firing
function MainController () {
var self = this;
self.mainInfo = null;
self.socket = io.connect('http:/192.168.56.101:3000');
self.login = function () {
self.socket.emit("login", "Hello");
}
self.socket.on('welcome', function () {
console.log('welcome');
});
self.socket.on('player leave', function () {
console.log('leave');
});
self.login();
};
Above is front-end code. 上面是前端代码。 I can receive emit messages, google chrome logs incoming message
我可以接收发射消息,谷歌浏览器会记录传入消息
5:::{"name":"welcome"}
But console.log('welcome'); 但是console.log('welcome'); doesn't work.
不起作用。 callback's don't fire
回调不触发
错别字:(
self.socket = io.connect('http://192.168.56.101:3000');
You need to put self.login() inside 'connect' event handler because at the time login() got called, it's not guaranteed that the connection is established. 您需要将self.login()放入'connect'事件处理程序中,因为在调用login()时,不能保证建立连接。
self.socket = io.connect('http://192.168.56.101:3000');
:
:
self.socket.on('connect', function() {
self.login();
}
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