j_server.java

基于java语言编程实现的简单ftp协议源码

import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;

public class J_Server
{
	ServerSocket server=null;
        Socket connect=null;
       
       //创建服务器
       public J_Server()
       {
       	   try
	   {
	   	//创建ServerSocket的实例对象，注册端口号
		server=new ServerSocket(5000);
		System.out.println("创建成功！");
	   }
	   catch(Exception x)
	   {
		System.out.println("创建失败！");
	   }	   	   
	} 
	
	//等待连接
	public void waitForConnection()
	{
		try{		       		
		       System.out.println( "等待连接..." );
		       connect=server.accept();
		       System.out.println("Connection received from: "+connect.getInetAddress().getHostName());
		}
		catch(Exception x)
		{
			System.out.println("Connection lost.");
		}
	}
}