UDP——键盘输入 - 黑马程序员技术交流社区

import java.net.*;
import java.io.*;
public class UdpSend2 {
public static void main(String[] args) throws Exception
{
DatagramSocket ds=new DatagramSocket();
BufferedReader bw=new BufferedReader(new InputStreamReader(System.in));
String line=null;
while((line=bw.readLine())!=null)
{
if("886".equals(line)){
break;
}
byte[] buf=line.getBytes();
DatagramPacket dp=new DatagramPacket(buf,buf.length,InetAddress.getByName("192.168.1.104"),10001);
ds.send(dp);
ds.close();
}
}
}
import java.net.*;
import java.io.*;
public class UdpRece2 {
public static void main(String[] args) throws Exception
{
DatagramSocket ds=new DatagramSocket();
while(true)
{
byte[] buf=new byte[1024];
DatagramPacket dp=new DatagramPacket(buf,buf.length);
ds.receive(dp);
String ip=dp.getAddress().getHostAddress();
String data=new String(buf,0,dp.getLength());
System.out.println(ip+"::"+data);
}
}
}

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