这是使用Vue-Socket.io进行的简单实验。
Express用于index.html
本地服务。
套接字正在由处理http://metinseylan.com:1923
。
我在main.js
named中定义了一个自定义套接字testClicked
。测试按钮通过Vue.js绑定到该clickButton()
方法。里面clickButton()
有两个发出呼叫:
this.$socket.emit('connect', val); // Works
this.$socket.emit('testClicked', val); // Fails
我不明白为什么第一个可行,但是第二个失败。我将控制台输出放在底部。
我也尝试添加testClicked
到var methods = [...];
vue-socketio.js内部,但无济于事。
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vue-socket-dynamo</title>
</head>
<body id="vue-socket-dynamo">
<button @click="clickButton('testing 123')">Test</button>
<script src="https://cdn.socket.io/socket.io-1.4.5.js"></script>
<script src="http://code.jquery.com/jquery-1.11.1.js"></script>
<script src="vue.js"></script>
<script src="vue-socketio.js"></script>
<script src="main.js"></script>
</body>
</html>
从这里复制并粘贴vue-socketio.js
main.js
var metin = 'http://metinseylan.com:1923';
Vue.use(VueSocketio, metin); // Automatically socket connect from url string
var vm = new Vue({
el: '#vue-socket-dynamo',
sockets:{
connect: function(val){
if(val) { console.log('socket connected -> val: ', val); }
else { console.log('socket connected'); }
},
testClicked: function(val){
console.log('testClicked method fired by socket server. eg: io.emit("customEmit", data)');
if(val) { console.log('val: ', val); }
}
},
methods: {
clickButton: function(val){
// $socket is socket.io-client instance
console.log('@click=clickButton Triggered'); // This works.
console.log('Input val: ', val);
this.$socket.emit('connect', val); // Works
this.$socket.emit('testClicked', val); // NOT WORKING
}
}
});
您是否在服务器端编码了send方法?
mySocketIo/index.js
module.exports = {
init: function (server) {
var io = require('socket.io')
var listeningIo = io.listen(server, null)
var listeningIoChat = listeningIo.of('/chat')
listeningIoChat.on('connection', function (socket) {
console.log('a user connected to chat')
socket.on('testClicked', function (msg) {
console.log("testClicked")
listeningIoChat.emit('testClicked', msg); // this line will trigger the VueSocketio event
});
socket.on('disconnect', function () {
console.log('user disconnected');
});
});
}
}
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我来说两句