chatclient.java

来自「贪食蛇的实现源码」· Java 代码 · 共 39 行

package com.henry.networkings;

import java.io.*;
import java.net.*;

public class ChatClient {
    public static void main(String[] args) {
        if (args.length != 2 ) {
            System.out.println("ChatClient usage: java ChatClient HostName port") ;
            return;
        }

        String sHostName = args[0].trim() ;
        int iPort = Integer.parseInt(args[1]);

        try {
            //1. create a socket connecting to server
            Socket s = new Socket(sHostName, iPort);
            BufferedReader in = new BufferedReader(new InputStreamReader(
                                      System.in));  // input from keyBoard
            PrintWriter  out = new PrintWriter(new OutputStreamWriter(
                                              s.getOutputStream()),true); // output to socket

            //2. write  data to server  through socket 
            String line= in.readLine();          
            while(true) {
                out.println(line); // write to socket
                out.flush() ;
                line = in.readLine(); // read from keyboard
                if(line.equalsIgnoreCase("BYE")) break;
            }

            in.close();
            out.close() ;
        }
        catch(IOException e) {e.printStackTrace();}
    }

}