cl5_6.java

一个很好的局域网的TCP通信。。可以实现两个人简单的聊天通信。相当于一个没有传送功能的小飞鸽了

import java.net.*;
import java.io.*;
public class cl5_6
{

public static void main(String[] args)
 {String str=" ";
  try{
     InetAddress addr=InetAddress.getByName("192.168.0.126");
     Socket socket=new Socket(addr,8000);
      InputStream fIn=socket.getInputStream();
      OutputStream fOut=socket.getOutputStream();
      InputStreamReader isr=new InputStreamReader(fIn);
      BufferedReader in=new  BufferedReader(isr);
    PrintStream out=new PrintStream(fOut);
    InputStreamReader userisr=new InputStreamReader(System.in);
    BufferedReader userin=new BufferedReader(userisr);
 while(true){
     System.out.println("建立连接.....");
     System.out.println("连接成功!!"); 
    System.out.println("发送字符串");
   str=userin.readLine();
   out.println(str);
   if(str.equals("end"))break;
   System.out.println("等待服务器端消息........");
   str=in.readLine();
   System.out.println("服务器端字符："+str);
  if(str.equals("end"))break;
}
socket.close();
if(str=" ")System.out.println("连接失败!");
}
catch(Exception e){System.out.println("异常"+e);}
}
}