Java-UDP协议

//接收端

public class ReceiveDemo {

public static void main(String[] args) throws Exception {

//创建接收对象

DatagramSocket receiver = new DatagramSocket(18889);

byte[] buffer =new byte[1024];

//接收数据

DatagramPacket dp = new DatagramPacket(buffer,1024);

receiver.receive(dp);

//获取接收的数据

String msg = new String (dp.getData(),0,dp.getLength());

System.out.println("发送过来的数据:" + msg);

}

//发送端

public class Send {

public static void main(String[] args) throws Exception {

String data ="天王盖地虎!";

//创建发送对象

DatagramSocket sender = new DatagramSocket(18888);

//发送数据

DatagramPacket dp = new DatagramPacket(data.getBytes(),

data.getBytes().length,

InetAddress.getLocalHost(),

19989);

sender.send(dp);

sender.close();

}

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本文地址: Java-UDP协议