使用apache commons-net包实现文件ftp上传

jopen 6年前

使用apache commons-net包实现文件ftp上传         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格式传送文件     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();    }   }    }      测试代码;      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();     }    }             }    }      相关jar包: apache commons-net-1.4.1.jar