Java UDP Socket消息发送

博客分类：

Java

SocketJava

在Java中使用UDP完成消息发送。主要使用DatagramSocket和DatagramPacket对象，示例如下：

服务器端监听：

Java代码


/**

* @author ZYWANG

* @date 2010-3-9

*/

public class UDPServer {



/**

* @param args

* @author ZYWANG

* @date 2010-3-9

*/

public static void main(String[] args) {

try {

DatagramSocket socket = new DatagramSocket(10000);

byte[] buffer = new byte[65508];

DatagramPacket packet = new DatagramPacket(buffer, 0, buffer.length);

while(true){

socket.receive(packet);

String s = new String(packet.getData(),0,packet.getLength());

System.out.println(s);

}

} catch (SocketException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

}

客户端：

Java代码


/**

* @author ZYWANG

* @date 2010-3-9

*/

public class UDPClient {



/**

* @param args

* @author ZYWANG

* @date 2010-3-9

*/

public static void main(String[] args) {

try {

DatagramSocket socket = new DatagramSocket();

String s = "测试文字ABC";

byte[] buffer = s.getBytes();

DatagramPacket packet = new DatagramPacket(buffer, buffer.length,InetAddress.getByName("127.0.0.1"),10000);

socket.send(packet);

socket.close();

} catch (SocketException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}



}

}