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[英]Socket.io http://localhost:3000/socket.io/socket.io.js 404 (Not Found) - How to configure socket.IO - nodejs, apache2, websockets
[英]GET http://localhost:3000/socket.io/socket.io.js 404 (Not Found)
我正在嘗試將數據流式傳輸到瀏覽器。 但是,我正在努力將其連接到瀏覽器。 這是我的html:
<ul class="tweets"></ul>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="/socket.io/socket.io.js"></script>
<script>
var socket = io.connect();
jQuery(function ($) {
var tweetList = $('ul.tweets');
socket.on('tweet', function (data) {
tweetList .prepend('<li>' + data.user + ': ' + data.text + '</li>');
});
});
</script>
這是我的app.js的相關部分:
var express = require('express')
, twitter = require('ntwitter')
, http = require('http')
, path = require('path');
var app = express();
var io = require('socket.io').listen(app);
app.get('/', function (req, res) { res.sendfile(__dirname + '/index.html'); });
app.listen(app.get('port'), function(){
console.log("Express server listening on port " + app.get('port'));
});
io.sockets.volatile.emit('tweets', {
user: data.user.screen_name,
text: data.text,
geo : geo,
latitude: latitude,
longitude: longitude
});
我通過packages.json文件安裝了socket.io 0.9.16:
"dependencies": {
"express": "3.2.6",
"jade": "*",
"ntwitter":"0.2.10",
"socket.io":"0.9.x"
}
有人可以幫我從這里出去嗎? 為什么找不到文件?
深入挖掘。 為了測試套接字,我將其放在app.js中:
var socket = io.listen(app);
我得到錯誤:
TypeError: Object #<Manager> has no method 'listen'
at Object.<anonymous> (/home/andy/dev/node/mytwittermap/app.js:49:17)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
at startup (node.js:119:16)
at node.js:901:3
您的設置需要看起來像這樣:
var app = express();
var server = require('http').createServer(app);
var io = require('socket.io').listen(server);
...
server.listen(app.get('port')); // not 'app.listen'!
你可以嘗試一下:
var http = require('http');
var app = express();
var server = http.createServer(app);
var io = require('socket.io').listen(server);
我想,您將必須實例化socket.io服務器。
server.listen()
而不是app.listen()
嘗試這樣的事情:
// at the top of app.js
var app = express();
var server = require('http').createServer(app);
var io = require('socket.io').listen(server);
// your code
// at the bottom of app.js
server.listen('3000', () => {
console.log('Server listening on Port 3000');
})
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