Ftp 下载和上传 指定文件夹内所有文件(包括文件夹,并且文件夹目录不变)...

2022-06-22 00:00:00 指定 包括 文件夹

2019独角兽企业重金招聘Python工程师标准>>> 《Ftp 下载和上传 指定文件夹内所有文件(包括文件夹,并且文件夹目录不变)...》

//下载ftp指定文件夹下所有文件	
public void downLoadAll(String ftpPath, String localPath) {
		FTPClient ftpClient = new FTPClient();
		try {
			ftpPath = separatorHandle(ftpPath);
			localPath = separatorHandle(localPath);
			createPath(localPath);
			ftpClient.setConnectTimeout(90000);
			ftpClient.connect(ftpIp, ftpPort);
			ftpClient.enterLocalPassiveMode();
			if (ftpClient.login(ftpName, ftpPassword)) {
				downFileOrDir(ftpPath, localPath, ftpClient);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (ftpClient.isConnected()) {
					ftpClient.logout();
					ftpClient.disconnect();
				}
			} catch (Exception e) {
			}
		}
	}
	/**
	 * FTP下载目录结构并且包括目录内文件
	 */
	private void downFileOrDir(String ftpPath, String localPath, FTPClient ftpClient) throws Exception {
		File temp = new File(localPath);
		Date date = new Date();
		String now = DateUtils.formatDate(date, "yyyy-MM-dd");
		if (!temp.exists()) {
			temp.mkdirs();
		}
		FTPFile[] allFile = ftpClient.listFiles(ftpPath);
		for (int i = 0; i < allFile.length; i++) {
			File localfile = new File(localPath + File.separator + allFile[i].getName());
			if (!localfile.exists()) {
				localfile.mkdirs();// 创建文件夹
				FTPFile[] ftpfiles = ftpClient.listFiles(ftpPath + allFile[i].getName(),
						new MyFTPFileFilter("csv", ""));
				if (ftpfiles != null && ftpfiles.length > 0) {
					for (FTPFile ftpFile : ftpfiles) {
						downloadingFile(ftpClient,
								localPath + File.separator + allFile[i].getName() + File.separator + ftpFile.getName(),
								ftpPath + allFile[i].getName() + File.separator + ftpFile.getName());
						ftpClient.changeWorkingDirectory(ftpPath + allFile[i].getName());
						ftpClient.dele(ftpFile.getName());
					}
				} else {
					logger.info(ftpPath + ": no match file");
				}
			}
			// 如果文件夹名称和当前日期相同则不删除
			if (!now.equals(allFile[i].getName())) {
				ftpClient.changeWorkingDirectory(ftpPath);
				ftpClient.removeDirectory(allFile[i].getName());
			}
		}
	}
	private void downloadingFile(FTPClient ftpClient, String localFile, String remoteFile) throws Exception {
		File file = new File(localFile);
		if (file.exists()) {
			file.delete();
		}
		FileOutputStream fos = null;
		try {
			ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
			fos = new FileOutputStream(localFile);
			ftpClient.retrieveFile(remoteFile, fos);
			fos.flush();
		} catch (Exception e) {
			throw e;
		} finally {
			if (fos != null) {
				fos.close();
			}
		}
	}

//上传ftp指定文件夹下所有文件
	public void upLoadAll(String localPath, String ftpPath) {
		FTPClient ftpClient = new FTPClient();
		try {
			ftpPath = separatorHandle(ftpPath);
			localPath = separatorHandle(localPath);
			createPath(localPath);
			ftpClient.setConnectTimeout(90000);
			ftpClient.connect(ftpIp, ftpPort);
			ftpClient.enterLocalPassiveMode();
			if (ftpClient.login(ftpName, ftpPassword)) {
				uploadFileOrDir(localPath, ftpPath, ftpClient);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (ftpClient.isConnected()) {
					ftpClient.logout();
					ftpClient.disconnect();
				}
			} catch (Exception e) {
			}
		}
	}

/**
	 * 上传ftp并删除本地文件
	 */
	public void uploadFileOrDir(String localPath, String addatasync, FTPClient ftpClient) throws Exception {
		// 上传文件
		addatasync = separatorHandle(addatasync);
		localPath = separatorHandle(localPath);
		File directory = new File(localPath);
		File[] files = directory.listFiles();
		if (files != null && files.length > 0) {
			for (File file : files) {
				String filename = file.getName();
				ftpClient.changeWorkingDirectory(addatasync);
				ftpClient.makeDirectory(filename);
				File seDirectory = new File(localPath + filename);
				File[] seFiles = seDirectory.listFiles();
				for (File seFile : seFiles) {
					ftpClient.changeWorkingDirectory(addatasync + filename);
					uploadingFile(separatorHandle(addatasync + filename) + seFile.getName(),
							separatorHandle(localPath + filename )+ seFile.getName(),ftpClient);
				}
			}
		}
		// 删除临时所有文件
		deleteDir(directory);
		File temp = new File(localPath);
		if (!temp.exists()) {
			temp.mkdirs();
		}
	}
	private void deleteDir(File dir) {
		if (dir.isDirectory()) {
			String[] children = dir.list();
			// 递归删除目录中的子目录下
			for (int i = 0; i < children.length; i++) {
				deleteDir(new File(dir, children[i]));
			}
		}
		dir.delete();
	}

	private void uploadingFile(String remoteFile, String localfile, FTPClient ftpClient) throws Exception {
		FileInputStream fis = null;
		try {
			// 设置PassiveMode传输
			ftpClient.enterLocalPassiveMode();
			// 设置以二进制流的方式传输
			ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
			ftpClient.deleteFile(remoteFile);
			ftpClient.mdtm(remoteFile);
			ftpClient.setControlEncoding("UTF-8");
			fis = new FileInputStream(localfile);
			ftpClient.storeFile(remoteFile, fis);
		} catch (Exception e) {
			throw e;
		} finally {
			if (fis != null) {
				fis.close();
			}
		}
	}

	public String separatorHandle(String str) {
		if (!str.endsWith("/")) {
			str = str + "/";
		}
		return str;
	}

 

转载于:https://my.oschina.net/jianzheng/blog/1794980

    原文作者:weixin_33781606
    原文地址: https://blog.csdn.net/weixin_33781606/article/details/92056169
    本文转自网络文章,转载此文章仅为分享知识,如有侵权,请联系博主进行删除。

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