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设计要求：单线程模式，客户端只发送数据，数据的来源为键盘录入，服务器端只接收数据，当客户端发送886的时候，客户端和服务器端都退出。
1. 发送端：
public class Send implements Runnable{private DatagramSocket ds;public Send(DatagramSocket ds)
{
this.ds= ds;
}
@Override break;
}
ds.close();
} catch (Exception e) {
}
}}
2. 接收端：
public class Reci implements Runnable {
private DatagramSocket ds;
public Reci(DatagramSocket ds)
{
this.ds= ds;
}
@Override
public void run() {
// TODO Auto-generated method stub
try {
while(true){
byte[] buf=new byte[1024];
DatagramPacket dp = new DatagramPacket(buf, buf.length);
ds.receive(dp);
String ipString=dp.getAddress().getHostAddress();
int port =dp.getPort();
String data= new String(dp.getData(),0,dp.getLength());
System.out.println("ip :"+ipString+"port :"+port+"data :"+data);
if(data.equals("886"))
{
System.out.println(ipString+"...退出聊天室");
}
}
} catch (IOException e) {
}
}
}
3. 单线程进程启动
public class ChatMultiThreadDemo {
public static void main(String[] args) throws SocketException {
DatagramSocket send = new DatagramSocket();
DatagramSocket reci = new DatagramSocket(10001);
new Thread(new Send(send)).start();
new Thread(new Reci(reci)).start();
}
}
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