java ftp文件上传、下载..

java ftp文件上传、下载..

public class FileFTP {
String localfilename;
String remotefilename;
FtpClient ftpClient;
  // server：服务器名字
// user：用户名
// password：密码
// path：服务器上的路径
public void connectServer(String ip, int port,String user, String password,String path)
{
  try
  {
   ftpClient = new FtpClient();
   ftpClient.openServer(ip,port);
   ftpClient.login(user, password);

   System.out.println("login success!");

   if (path.length() != 0)
    ftpClient.cd(path);

   ftpClient.binary();
  }
  catch (IOException ex)
  {
   System.out.println("not login");
   System.out.println(ex);
  }
}

public void closeConnect()
{
  try
  {
   ftpClient.closeServer();
   System.out.println("disconnect success");
  }
  catch (IOException ex)
  {
   System.out.println("not disconnect");
   System.out.println(ex);
  }
}

public void upload()
{
  this.localfilename = "F:\\2009-04-01.txt";
  this.remotefilename = "2009-04-01.txt";

  try
  {
   TelnetOutputStream os = ftpClient.put(this.remotefilename);
   java.io.File file_in = new java.io.File(this.localfilename);
   FileInputStream is = new FileInputStream(file_in);
   byte[] bytes = new byte[1024];
   int c;
   while ((c = is.read(bytes)) != -1)
   {
    os.write(bytes, 0, c);
   }
   System.out.println("upload success");
   is.close();
   os.close();
  }
  catch (IOException ex)
  {
   System.out.println("not upload");
   System.out.println(ex);
  }
}

public void upload(String path,String name)
{  
  try
  {
   TelnetOutputStream os = ftpClient.put(name);
   FileInputStream is = new FileInputStream(new File(path));
   byte[] bytes = new byte[1024];
   int c;
   while ((c = is.read(bytes)) != -1)
   {
    os.write(bytes, 0, c);
   }
   System.out.println("upload success");
   is.close();
   os.close();
  }
  catch (IOException ex)
  {
   System.out.println("not upload");
   System.out.println(ex);
  }
}

public void download()
{
  try
  {
   TelnetInputStream is = ftpClient.get(this.remotefilename);
   java.io.File file_in = new java.io.File(this.localfilename);
   FileOutputStream os = new FileOutputStream(file_in);
   byte[] bytes = new byte[1024];
   int c;
   while ((c = is.read(bytes)) != -1)
   {
    // System.out.println((char)is.read());
    // System.out.println(file_in);
    os.write(bytes, 0, c);
   }

   System.out.println("download success");
   os.close();
   is.close();
  }
  catch (IOException ex)
  {
   System.out.println("not download");
   System.out.println(ex);
  }
}

public void download(String remotePath,String remoteFile,String localFile)
{
  try
  {
   if (remotePath.length() != 0) ftpClient.cd(remotePath);
   TelnetInputStream is = ftpClient.get(remoteFile);
   java.io.File file_in = new java.io.File(localFile);
   FileOutputStream os = new FileOutputStream(file_in);
   byte[] bytes = new byte[1024];
   int c;
   while ((c = is.read(bytes)) != -1)
   {
    // System.out.println((char)is.read());
    // System.out.println(file_in);
    os.write(bytes, 0, c);
   }

   System.out.println("download success");
   os.close();
   is.close();
  }
  catch (IOException ex)
  {
   System.out.println("not download");
   System.out.println(ex);
  }
}

public void download(String remoteFile,String localFile)
{
  try
  {
   TelnetInputStream is = ftpClient.get(remoteFile);
   java.io.File file_in = new java.io.File(localFile);
   FileOutputStream os = new FileOutputStream(file_in);
   byte[] bytes = new byte[1024];
   int c;
   while ((c = is.read(bytes)) != -1)
   {
    // System.out.println((char)is.read());
    // System.out.println(file_in);
    os.write(bytes, 0, c);
   }

   System.out.println("download success");
   os.close();
   is.close();
  }
  catch (IOException ex)
  {
   System.out.println("not download");
   System.out.println(ex);
  }
}
}