网络编程基于UDP发送接收数据小程序，乱码问题求解决 - 黑马程序员技术交流社区

package com.ccsu.net;
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;
class UDPSend1{
public static void main(String[] args) throws IOException {
DatagramSocket ds = new DatagramSocket();
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String line = null;
while((line=br.readLine()) != null)
{
if("886".equals(line))
break;
byte[] buf = line.getBytes();
DatagramPacket dp = new DatagramPacket(buf,buf.length,InetAddress.getByName("127.0.0.1"),8888);
ds.send(dp);
}
ds.close();
}
}
class UDPRecevie1{
public static void main(String[] args) throws IOException {
DatagramSocket ds = new DatagramSocket(8888);
while(true)
{
byte[] buf = new byte[1024];
DatagramPacket dp = new DatagramPacket(buf,buf.length);
ds.receive(dp);
String ip = dp.getAddress().getHostAddress();
System.out.println(ip);
String data = new String(dp.getData(),0,dp.getLength(),"gbk");
System.out.println("发送者说："+ data);
}
}
}

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