Go语言视频零基础入门到精通

opnzon

package com.renxing.r0038_socket;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;

//接收端

public class SocketDatagramSocketDemo2 {

public static void main(String[] args) throws IOException
{
  //邮局接到邮包
  DatagramSocket  ds=new DatagramSocket(10000);
  //分解成小的邮包
  byte [] bys=new byte[1024];
  //邮递员疯了 全部都得需要接受
  DatagramPacket dp=new DatagramPacket(bys,bys.length);
  //邮递员接受了
  ds.receive(dp);
  //邮递员看了下地址：和相关的内容！ 汗了！- -！
  String ip=dp.getAddress().getHostAddress();
  String context=new String(bys,0,bys.length);
  System.out.println(ip+":::"+context);
  ds.close();

}

}
























package com.renxing.r0038_socket;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;



//Udp发送端
public class SocketDatapramSocketDemo
{
public static void main(String[] args) throws IOException
{
  //建立服务端
  DatagramSocket ds=new DatagramSocket();
  //建立数据包
  byte []bys="任星的数据包".getBytes();
  DatagramPacket dp=new DatagramPacket(bys,bys.length,InetAddress.getByName("localhost"),10000);
  ds.send(dp);
  ds.close();
}

}