client.java

java 网络编程的东西

/*
 * Client.java
 *
 * Created on 2007年9月13日, 上午8:09
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package serversocket;
import java.io.*;
import java.net.*;
/**
 *
 * @author 王鹏
 */
public class Client {
    static Socket server;
    public static void main ( String[]args ){
        try{
            while(true){
     	server = new Socket(InetAddress.getLocalHost(), 5678);
	BufferedReader in = new BufferedReader(new InputStreamReader(server.getInputStream()));//创建从服务器读取文件的对象IN
	PrintWriter out = new PrintWriter(server.getOutputStream());//创建向服务器输入文件的对象OUT
	BufferedReader wt = new BufferedReader(new InputStreamReader(System.in));//课户段正常的输入流
        System.out.println("please input two number:");
        String str=wt.readLine();//读取你所输入的数据
        out.println(str);//把课户端的数据送给服务器
        out.flush();//刷新
        str=wt.readLine();
        out.println(str);
        out.flush();
        System.out.println("Please input the  functional symbol, such as +,-,*,/:");
        str = wt.readLine();
	out.println(str);
	out.flush();
	str = in.readLine();//读取服务器所发过来的信息
	System.out.print("The result is " + str + ".");
	server.close();
            }
        }
        catch(Exception e)
        {
          e.printStackTrace();
         }
    }

  
    
}