import?java.util.ArrayList;
import?java.util.List;
import?java.io.DataInputStream;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?sun.net.TelnetInputStream;
import?sun.net.TelnetOutputStream;
import?sun.net.ftp.FtpClient;
import?java.io.*;
//import?sun.net.ftp.*;
//import?sun.net.*;
import?java.util.StringTokenizer;

public?class?Ftp?extends?FtpClient
{
?FtpClient?ftpClient;
//?ftpClient?=?new?FtpClient（）;
?String?sPath=“F:/temp“;
/**
???*?connectServer?連接ftp服務器
???*?
???*?@throws?java.io.IOException
???*?@param?path
???*?????????????文件夾，空代表根目錄
???*?@param?password
???*?????????????密碼
???*?@param?user
???*?????????????登陸用戶
???*?@param?server
???*?????????????服務器地址
???*/
????//向ftp服務器發送操作命令
public?int?conn