[网络协议]udp通信程序

udp通信程序
发送数据
package it.com.cc.six;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;

public class SendDemo {

public static void main(String[] args) throws IOException {
    DatagramSocket ds=new DatagramSocket();
    BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    String line;
    while ((line=br.readLine())!=null){
        if ("886".equals(line)){
            break;
        }
        byte []bys=line.getBytes();
        DatagramPacket dp=new DatagramPacket(bys,bys.length, InetAddress.getByName("192.168.31.106"),12345);
        ds.send(dp);
    }
    ds.close();

}

}
接收数据
package it.com.cc.six;

import java.io.IOException;

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