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29 lines
729 B
29 lines
729 B
3 days ago
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// server.js
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const express = require('express');
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const http = require('http');
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const socketIo = require('socket.io');
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const app = express();
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const server = http.createServer(app);
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const io = socketIo(server);
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let clients = {};
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io.on('connection', (socket) => {
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console.log('A client connected:', socket.id);
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clients[socket.id] = { status: 'connected' };
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socket.on('disconnect', () => {
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console.log('A client disconnected:', socket.id);
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clients[socket.id] = { status: 'disconnected' };
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});
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// 定时发送客户端状态
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setInterval(() => {
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io.emit('clients_status', clients);
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}, 5000);
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});
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server.listen(3000, () => {
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console.log('Server listening on port 3000');
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});
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