java操作FTP

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import sun.net.TelnetInputStream;
import sun.net.TelnetOutputStream;
import sun.net.ftp.FtpClient;

public class ftp
{

 private FtpClient ftpClient ;
 private String FtpServer = "192.168.0.8";
 private String FtpPort = "21";
 private String FtpUser = "root";
 private String FtpPwd = "root";
 public ftp()
 {
 }
 public ftp(String pm_sFtpServer,String pm_sFtpPort,String pm_sFtpUser,String pm_sFtpPwd)
 {
  this.FtpServer = pm_sFtpServer;
  this.FtpPort = pm_sFtpPort;
  this.FtpUser = pm_sFtpUser;
  this.FtpPwd = pm_sFtpPwd;

 }

 /*
  * 连接FTP服务器
  */
 public void login()
 {
  try
  {
   this.ftpClient = new FtpClient(this.FtpServer,Integer.parseInt(this.FtpPort));
   //登陆服务端FTP,设定ascii传输方式
   this.ftpClient.openServer(this.FtpServer);
   this.ftpClient.login(this.FtpUser,this.FtpPwd);
   this.ftpClient.ascii();
  }
  catch (NumberFormatException e)
  {
   System.out.println("FTPTools:FTP连接错误！");
   e.printStackTrace();
  }
  catch (IOException e)
  {
   System.out.println("FTPTools:FTP连接错误！");
   e.printStackTrace();
  }
 }
 public void stop()
 {
  String message = "";
    try
  {
      if(ftpClient!=null)
   {
    ftpClient.closeServer();
    message = "与主机"+FtpServer+"连接已断开!";
    System.out.println(message);
      }
    }
    catch(IOException e)
    {
      message = "与主机"+FtpServer+"断开连接失败!"+e;
      System.out.println(message);
    }
 }
 /*
  * @完成文件下载操作
  * @param pm_sServerFilePath 服务器文件路径
  * @param pm_sServerFileName 服务器文件名
  * @param pm_sDesPath 客户端下载文件存放路径
  */
 public void download(String pm_sServerFilePath,String pm_sServerFileName,String pm_sDesPath)
 {
  try
  {
   login();
   //进入下载目录
   this.ftpClient.cd(pm_sServerFilePath);
   //流转换，完成下载操作
   TelnetInputStream ins = this.ftpClient.get(pm_sServerFileName);
   FileOutputStream ous = new FileOutputStream(pm_sDesPath+"//"+pm_sServerFileName);
   byte[] tmp = new byte[1024];
   int lenth = 0;
   while((lenth = ins.read(tmp))!=-1)
   {
    ous.write(tmp,0,lenth);
   }
   //ous.flush();
   ins.close();
   ous.close();
  }
  catch (IOException e)
  {
   System.out.println("FTP下载错误！");
   e.printStackTrace();
  }
 }
 /*
  * @完成文件传送操作
  * @param pm_oSrcFile
  */
 public void upload(File pm_oSrcFile,String pm_sServerFilePath)
 {
  try
  {
   login();
   //进入上传目录
   this.ftpClient.cd(pm_sServerFilePath);
   //流转换，完成上传操作
   TelnetOutputStream out = this.ftpClient.put(pm_oSrcFile.getName());
   FileInputStream ins = new FileInputStream(pm_oSrcFile);
   byte[] tmp = new byte[1024];
   int lenth = 0;
   
   while((lenth = ins.read(tmp))!=-1)
   {
    out.write(tmp,0,lenth);
   }
   //out.flush();
   out.close();
   ins.close();
  }
  catch (IOException e)
  {
   System.out.println("FTP上传错误！");
   e.printStackTrace();
  }

 }

 public static void main(String[] args) throws Exception
 {
  //ftp f = new ftp("192.168.0.29","21","temp","temp");
  ftp f = new ftp();
  f.download("/opt/sfcl/oaj/data","2006-08-31-08","temp");
  //File uploadfile = new File("list.java");
  //f.upload(uploadfile,"data");
  f.stop();
  Thread.sleep(10000);
 }
}