package?com.lzj.test8_4;

import?java.io.IOException;
import?java.net.DatagramPacket;
import?java.net.DatagramSocket;
import?java.net.InetAddress;

public?class?UdpServerThread?extends?Thread{
	private?static?int?count?=?0;
	private?DatagramSocket?socket;
	public?UdpServerThread(DatagramSocket?socket)?{
		this.socket?=?socket;
	}
	@Override
	public?void?run()?{
		while(true){
			try?{
				//接收來自客戶端傳來的消息
				byte[]?bytes?=?new?byte[1024];
				DatagramPacket?packet?=?new?DatagramPacket(bytes,0,bytes.length);
				socket.receive(packet);
				System.out.println(new?String(bytes));
				//向客戶端發送消息
				InetAddress?addr?=?packet.getAddress();
				int?port?=?packet.getPort();
				StringBuilder?sb?=?new?StringBuilder();
				sb.append("服務器返回：");
				sb.append(count++);
				sb.append(new?String(bytes));
				sb.append("呵呵");
				byte[]?res?=?sb.toString().getBytes();
				DatagramPacket?cpacket?=?new?DatagramPacket(res,res.length,addr,port);
				socket.send(cpacket);
			}?catch?(IOException?e)?{
				e.printStackTrace();
			}
		}
	}
		
}