udpechoclient.java

javaUdp java udp编程

//package chat;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;

public class UDPEchoClient {
	

  public final static int DEFAULT_PORT = 4007;
  //private static String c="";

  public static void main(String[] args) {
	  
	  try {
	  BufferedReader userInput 
      = new BufferedReader(new InputStreamReader(System.in));
	  System.out.println("请输入服务器的IP地址：");
	  String theLine = userInput.readLine();
	  String hostname = theLine;
	 
    int port = DEFAULT_PORT;

    if (args.length > 0) {
      hostname = args[0];
    }
    System.out.println("请输入你的名字：");
 //  while(c!="bye"){
		   try {
      InetAddress ia = InetAddress.getByName(hostname);
      SenderThread sender = new SenderThread(ia, DEFAULT_PORT);
      //Thread receiver2 = new Srv(sender.getSocket());
      Thread receiver = new ReceiverThread(sender.getSocket());
      sender.start();
      receiver.start();
    }
    catch (UnknownHostException ex) {
      System.err.println(ex);
    }
    catch (SocketException ex) {
      System.err.println(ex);
    }
    } catch (IOException ex) {
	      System.err.println(ex);
    }
  
//   }
  }  // end main

}