网络编程:11(UDP多线程在线咨询)
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UDP多线程在线咨询
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代码案例:接收方
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
/**
* 发送方:
*/
public class TalkSend implements Runnable{
DatagramSocket socket=null;
BufferedReader reader =null;
private int fromPort;
private String toIP;
private int toPort;
public TalkSend(int fromPort, String toIP, int toPort) {
this.fromPort = fromPort;
this.toIP = toIP;
this.toPort = toPort;
try {
socket = new DatagramSocket(fromPort);
reader = new BufferedReader(new InputStreamReader(System.in));
} catch (Exception e) {
e.printStackTrace();
}
}
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代码案例:接收方
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;
public class TalkReceive implements Runnable {
DatagramSocket socket =null;
private String msgFrom;
private int port;
public TalkReceive(int port,String msgFrom) {
this.port = port;
this.msgFrom=msgFrom;
try {
socket=new DatagramSocket(port);
} catch (SocketException e) {
e.printStackTrace();
}
}
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代码案例:交互者
//TalkStudent
public class TalkStudent {
public static void main(String[] args) {
//开启2个线程
new Thread(new TalkSend(7777,"localhost",9999)).start();
new Thread(new TalkReceive(8888,"老师")).start();
}
}
//TeacherTalk
public class TeacherTalk {
public static void main(String[] args) {
//开启2个线程
new Thread(new TalkSend(5555,"localhost",8888)).start();
new Thread(new TalkReceive(9999,"学生")).start();
}
}
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