talkclient.java

java课程的资料以及实验的代码

//Program for client
import java.io.*;
import java.net.*;
public class TalkClient {
	
public static void main(String args[]){
	    try{
	    	Socket socket=new Socket("127.0.0.1",4700); 
	    	//向本机的4700端口发出客户请
	    	BufferedReader sin=new BufferedReader(new InputStreamReader(System.in)); 
	    	//由系统标准输入设备构造BufferedReader对象
	    	PrintWriter os=new PrintWriter(socket.getOutputStream());
	    	//由Socket对象得到输出流，并构造PrintWriter对象
	    	BufferedReader is=new BufferedReader(new InputStreamReader(socket.getInputStream()));
	    	//由Socket对象得到输入流，并构造相应的BufferedReader对象
	    	String readline;
	    	readline=sin.readLine(); //从系统标准输入读入一字符串
	    	while(!readline.equals("bye")){ 
	    	//若从标准输入读入的字符串为 "bye"则停止循环
	    	os.println(readline); 
	    	//将从系统标准输入读入的字符串输出到Server
	    	os.flush();
	    	//刷新输出流，使Server马上收到该字
	    	System.out.println("Client:"+readline); 
            //在系统标准输出上打印读入的字符串
            System.out.println("Server:"+is.readLine());
             
                 readline=sin.readLine(); //从系统标准输入读入一字符串
                   }//继续循环
               os.close(); //关闭Socket输出流
               is.close(); //关闭Socket输入流
               socket.close(); //关闭Socket
               }catch(Exception e) {
               	System.out.println("Error"+e); //出错，则打印出错信息
               	}
        }
}