2025-10-11 21:19:20 +08:00

125 lines
3.7 KiB
TypeScript

'use client';
import { useEffect, useState } from 'react';
import { io } from 'socket.io-client';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { ScrollArea } from '@/components/ui/scroll-area';
type Message = {
text: string;
senderId: string;
timestamp: string;
}
export default function SocketDemo() {
const [messages, setMessages] = useState<Message[]>([]);
const [inputMessage, setInputMessage] = useState('');
const [socket, setSocket] = useState<any>(null);
const [isConnected, setIsConnected] = useState(false);
useEffect(() => {
const socketInstance = io({
path: '/api/socketio',
});
setSocket(socketInstance);
socketInstance.on('connect', () => {
setIsConnected(true);
});
socketInstance.on('disconnect', () => {
setIsConnected(false);
});
socketInstance.on('message', (msg: Message) => {
setMessages(prev => [...prev, msg]);
});
return () => {
socketInstance.disconnect();
};
}, []);
const sendMessage = () => {
if (socket && inputMessage.trim()) {
setMessages(prev => [...prev, {
text: inputMessage.trim(),
senderId: socket.id || 'user',
timestamp: new Date().toISOString()
}]);
socket.emit('message', {
text: inputMessage.trim(),
senderId: socket.id || 'user',
timestamp: new Date().toISOString()
});
setInputMessage('');
}
};
const handleKeyPress = (e: React.KeyboardEvent) => {
if (e.key === 'Enter') {
sendMessage();
}
};
return (
<div className="container mx-auto p-4 max-w-2xl">
<Card>
<CardHeader>
<CardTitle className="flex items-center justify-between">
WebSocket Demo
<span className={`text-sm px-2 py-1 rounded ${isConnected ? 'bg-green-100 text-green-800' : 'bg-red-100 text-red-800'}`}>
{isConnected ? 'Connected' : 'Disconnected'}
</span>
</CardTitle>
</CardHeader>
<CardContent className="space-y-4">
<ScrollArea className="h-80 w-full border rounded-md p-4">
<div className="space-y-2">
{messages.length === 0 ? (
<p className="text-gray-500 text-center">No messages yet</p>
) : (
messages.map((msg, index) => (
<div key={index} className="border-b pb-2 last:border-b-0">
<div className="flex justify-between items-start">
<div className="flex-1">
<p className="text-sm font-medium text-gray-700">
{msg.senderId}
</p>
<p className="text-gray-900">{msg.text}</p>
</div>
<span className="text-xs text-gray-500">
{new Date(msg.timestamp).toLocaleTimeString()}
</span>
</div>
</div>
))
)}
</div>
</ScrollArea>
<div className="flex space-x-2">
<Input
value={inputMessage}
onChange={(e) => setInputMessage(e.target.value)}
onKeyPress={handleKeyPress}
placeholder="Type a message..."
disabled={!isConnected}
className="flex-1"
/>
<Button
onClick={sendMessage}
disabled={!isConnected || !inputMessage.trim()}
>
Send
</Button>
</div>
</CardContent>
</Card>
</div>
);
}