sserver.java

书中的例题

/******************************************
*　程序文件名称：SServer.java
*  功能：远程数据传输服务器端程序
******************************************/
import java.io.*;
import java.net.*;
 import javax.swing.*;
public class SServer
{ 
  public static void main(String args[])
  {  
     ServerSocket         s_socket=null;
     Socket              socket=null;
	 String               s=null;
     DataOutputStream    out=null;
	 DataInputStream      in=null;
     try{ s_socket=new ServerSocket(4321);}
     catch(IOException e1){System.out.println("ERRO:"+e1);} 
     try{
           
		   socket=s_socket.accept();
            
           in=new DataInputStream(socket.getInputStream());
           out=new DataOutputStream(socket.getOutputStream());
         
              out.writeUTF("你好:我是服务器,连接成功。");
		  
	 	   while(true)
            { s=in.readUTF();
              if (s!=null) break; 
            }
        JOptionPane.showMessageDialog(null,"服务器收到："+s);
        socket.close(); 
        } 
     catch (IOException e)
         {  System.out.println("ERRO:"+e);}
    
      
   }
}