【UDP 发送接收数据】
发布时间:2020-12-15 05:32:13 所属栏目:Java 来源:网络整理
导读:package com.yjf.esupplier.common.test; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; /** * @author shusheng * @description UDP 发送接收数据 * @Email [email?protected] * @date 2019/1/6 0:21 */
package com.yjf.esupplier.common.test; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; /** * @author shusheng * @description UDP 发送接收数据 * @Email [email?protected] * @date 2019/1/6 0:21 */ public class SendDemo { public static void main(String[] args) throws Exception { DatagramSocket socket = new DatagramSocket(); String str = "i love you"; // 把数据进行封装到数据报包中 DatagramPacket packet = new DatagramPacket(str.getBytes(),str.length(),InetAddress.getByName("localhost"),6666); socket.send(packet);// 发送 byte[] buff = new byte[100]; DatagramPacket packet2 = new DatagramPacket(buff,100); socket.receive(packet2); System.out.println(new String(buff,0,packet2.getLength())); socket.close(); } } ? package com.yjf.esupplier.common.test; import java.net.DatagramPacket; import java.net.DatagramSocket; /** * @author shusheng * @description UDP 发送接收数据 * @Email [email?protected] * @date 2019/1/7 23:24 */ public class ReceiveDemo { public static void main(String[] args) throws Exception { // 先接收数据 DatagramSocket socket = new DatagramSocket(6666); byte[] buff = new byte[100]; DatagramPacket packet = new DatagramPacket(buff,buff.length); socket.receive(packet);// 接受传来的数据包 System.out.println(new String(buff,packet.getLength())); // 发送数据 String str = "me too"; DatagramPacket packet2 = new DatagramPacket(str.getBytes(),packet.getAddress(),packet.getPort()); socket.send(packet2); socket.close(); } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |