GET http://localhost/socket.io/?EIO=3&transport=polling&t=LjIvLGU 404(未找到)

eya*_*vin 5 sockets websocket node.js express socket.io

我的 Nodejs 和我的 js 代码有问题。

当我在控制台服务器中运行 Nodejs 时没有显示任何问题,但我一直在 Chrome 控制台中收到错误消息:

GET http://localhost/socket.io/?EIO=3&transport=polling&t=LjIvLGU 404 (Not Found)
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索引.html

<head>
    <title>test</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <script src="http://localhost:3000/socket.io/socket.io.js"></script>
</head>
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脚本.js

var express = require('express');
var app = express();
var server = require('http').Server(app);
var io = require('socket.io').listen(server);

users = [];
connections = [];

server.listen(process.env.PORT || 3000);

console.log("server up");

app.get('/', function (req, res) {
    res.sendFile(__dirname + '/index.php');
});

io.sockets.on('connection', function (socket) {

    socket.on('subscribe', function (data) {
        socket.join(data.room);
    });
    socket.on('arriv', function (data) {
        console.log(data);
        io.sockets.in('invitor').emit('send message',data);
    });

    socket.on('unsubscribe', function (data) {
        socket.leave(data.room);
    });
});
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用户.js

$(function () {
    var cid = $.session.get('company');
    console.log(cid);

    var socket = io.connect();

    socket.emit("subscribe", {room: "invitor"});

    socket.on("send message", function (data){
        $('#info').append("" + data.gid + "</br>");
    });
    $(document).on('click', '.123', function () {
        var gid = $(this).attr('id');
        socket.emit('arriv', {gid: gid});
    });
});
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小智 2

看来您正在尝试通过本地主机连接套接字而不使用端口 3000。如果我测试您的代码片段,一切正常。您的错误消息显示端口 3000 丢失" GET http://localhost/socket.io/?EIO=3&transport=polling&t=LjIvLGU 404 (Not Found)"

如果将 io.connect 更改为,您可以尝试手动连接var socket = io.connect('http://localhost:3000');