使用apache commons-net包實現文件ftp上傳

使用apache commons-net包實現文件ftp上傳

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.SocketTimeoutException;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
public class FtpTool {
private static FTPClient ftp;
public static FTPClient ftp_conn(String server, String user, String password) {
ftp = new FTPClient();
  // ftp.setDefaultTimeout(5000);
  try {
   int reply;
ftp.connect(server);
   // ftp.connect(server,21,InetAddress.getLocalHost(),21);
   System.out.println("Connected to " + server + ".");
   System.out.println(ftp.getReplyString());
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
    ftp.disconnect();
    System.out.println("FTP server refused connection.");
    return null;
   } else {
    ftp.login(user, password);
    System.out.println("Login success.");
    ftp.pasv();
    ftp.enterLocalPassiveMode();
   }
  } catch (SocketTimeoutException ste) {
   ste.printStackTrace();
  } catch (Exception e) {
   e.printStackTrace();
  }
  return ftp;
 }
/**

@param ftp
@param remoteFile
@param localFile
@return
@throws FileNotFoundException
*/
public static boolean uploadToFtp(FTPClient ftp, String remoteFile,
String localFile) throws FileNotFoundException {
boolean result = false;
if (ftp == null) {
return result;
}
String dir = "/";
remoteFile = remoteFile.replaceAll("\\", "/");
if (remoteFile.indexOf("/") != -1) {
dir = (String) remoteFile.subSequence(0, remoteFile.lastIndexOf("/"));
}
FileInputStream fis = new FileInputStream(new File(localFile));
System.out.println("Upload " + localFile + " To " + remoteFile);
try {
ftp.makeDirectory(dir);
ftp.changeWorkingDirectory(dir);
ftp.setFileType(FTP.BINARY_FILE_TYPE); // 以BINARY格式傳送文件
if (ftp.storeFile(remoteFile, fis)) {
result = true;
}
// System.out.println(ftp.getReplyCode());
fis.close();
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public static void logout(FTPClient ftp) {
try {
if (ftp != null) {
ftp.logout();
ftp.disconnect();
}
ftp = null;
} catch (IOException e) {
e.printStackTrace();
}
}


}
測試代碼;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.commons.net.ftp.FTPClient;
public class FtpTest {
/**

@param args
*/
public static void main(String[] args) {

String ftp_server = "192.168.0.1";
  String ftp_user = "username";
  String ftp_password ="password";
  FTPClient ftp = FtpTool.ftp_conn(ftp_server, ftp_user, ftp_password);
String localFilename="D:\html\test.html";
String remoteFilename="/mytest/002/test.html";

 System.out.println("upload ...");
 System.out.println(localFilename + " to " + remoteFilename);
 try {
  FtpTool.uploadToFtp(ftp, remoteFilename, localFilename);

} catch (FileNotFoundException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
try {
   ftp.logout();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  if (ftp.isConnected()) {
   try {
    ftp.disconnect();
   } catch (IOException ioe) {
    ioe.printStackTrace();
   }
  }
}
}
相關jar包: apache commons-net-1.4.1.jar</pre>