这篇文章将为大家详细讲解有关Java如何使用Sftp和Ftp实现对文件的上传和下载,小编觉得挺实用的,因此分享给大家做个参考,希望大家阅读完这篇文章后可以有所收获。第一步,导入Maven依赖<!-- FTP依赖包
这篇文章将为大家详细讲解有关Java如何使用Sftp和Ftp实现对文件的上传和下载,小编觉得挺实用的,因此分享给大家做个参考,希望大家阅读完这篇文章后可以有所收获。
<!-- FTP依赖包 --><dependency> <groupId>commons-net</groupId> <artifactId>commons-net</artifactId> <version>3.6</version></dependency><!-- SFTP依赖包 --><dependency> <groupId>com.jcraft</groupId> <artifactId>jsch</artifactId> <version>0.1.55</version></dependency><dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.6</version></dependency>
import com.jcraft.jsch.*;import lombok.extern.slf4j.Slf4j;import org.apache.commons.io.IOUtils;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStream;import java.util.Properties;import java.util.Vector;@Slf4jpublic class SftpUtils { public static void main(String[] args) throws Exception { log.info("测试开始!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); // 1 File file = new File("E:\\2.xlsx"); InputStream inputStream = new FileInputStream(file); SftpUtils.uploadFile("", "", "", 22, "/usr/local", "/testfile/", "test.xlsx", null, inputStream); // 2 SftpUtils.downloadFile("", "", "", 22,null, "/usr/local/testfile/", "test.csv","/Users/ao/Desktop/test.csv"); // 3 SftpUtils.deleteFile("", "", "", 22,null, "/usr/local/testfile/", "test.xlsx"); // 4 Vector<?> fileList = SftpUtils.getFileList("", "", "", 22, null,"/usr/local/testfile/"); log.info(fileList.toString()); log.info("测试结束!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); } public static void uploadFile(String userName, String passWord, String host, int port, String basePath, String filePath, String filename, String privateKey, InputStream input) throws Exception { Session session = null; ChannelSftp sftp = null; // 连接sftp服务器 try { JSch jsch = new JSch(); if (privateKey != null) { // 设置私钥 jsch.addIdentity(privateKey); } session = jsch.getSession(userName, host, port); if (password != null) { session.setPassword(password); } Properties config = new Properties(); config.put("StrictHosTKEyChecking", "no"); session.setConfig(config); session.connect(); Channel channel = session.openChannel("sftp"); channel.connect(); sftp = (ChannelSftp) channel; } catch (JSchException e) { e.printStackTrace(); } // 将输入流的数据上传到sftp作为文件 try { sftp.cd(basePath); sftp.cd(filePath); } catch (SftpException e) { //目录不存在,则创建文件夹 String [] dirs=filePath.split("/"); String tempPath=basePath; for(String dir:dirs){ if(null== dir || "".equals(dir)){ continue; } tempPath+="/"+dir; try{ sftp.cd(tempPath); }catch(SftpException ex){ sftp.mkdir(tempPath); sftp.cd(tempPath); } } } //上传文件 sftp.put(input, filename); //关闭连接 server if (sftp != null) { if (sftp.isConnected()) { sftp.disconnect(); } } //关闭连接 server if (session != null) { if (session.isConnected()) { session.disconnect(); } } } public static void downloadFile(String userName, String password, String host, int port, String privateKey, String directory, String downloadFile, String saveFile) throws Exception{ Session session = null; ChannelSftp sftp = null; // 连接sftp服务器 try { JSch jsch = new JSch(); if (privateKey != null) { // 设置私钥 jsch.addIdentity(privateKey); } session = jsch.getSession(userName, host, port); if (password != null) { session.setPassword(password); } Properties config = new Properties(); config.put("StrictHostKeyChecking", "no"); session.setConfig(config); session.connect(); Channel channel = session.openChannel("sftp"); channel.connect(); sftp = (ChannelSftp) channel; } catch (JSchException e) { e.printStackTrace(); } if (directory != null && !"".equals(directory)) { sftp.cd(directory); } File file = new File(saveFile); sftp.get(downloadFile, new FileOutputStream(file)); } public static byte[] downloadFile(String userName, String password, String host, int port, String privateKey, String directory, String downloadFile) throws Exception{ Session session = null; ChannelSftp sftp = null; // 连接sftp服务器 try { JSch jsch = new JSch(); if (privateKey != null) { // 设置私钥 jsch.addIdentity(privateKey); } session = jsch.getSession(userName, host, port); if (password != null) { session.setPassword(password); } Properties config = new Properties(); config.put("StrictHostKeyChecking", "no"); session.setConfig(config); session.connect(); Channel channel = session.openChannel("sftp"); channel.connect(); sftp = (ChannelSftp) channel; } catch (JSchException e) { e.printStackTrace(); } if (directory != null && !"".equals(directory)) { sftp.cd(directory); } InputStream is = sftp.get(downloadFile); byte[] fileData = IOUtils.toByteArray(is); return fileData; } public static void deleteFile(String userName, String password, String host, int port, String privateKey, String directory, String deleteFile) throws Exception{ Session session = null; ChannelSftp sftp = null; // 连接sftp服务器 try { JSch jsch = new JSch(); if (privateKey != null) { // 设置私钥 jsch.addIdentity(privateKey); } session = jsch.getSession(userName, host, port); if (password != null) { session.setPassword(password); } Properties config = new Properties(); config.put("StrictHostKeyChecking", "no"); session.setConfig(config); session.connect(); Channel channel = session.openChannel("sftp"); channel.connect(); sftp = (ChannelSftp) channel; } catch (JSchException e) { e.printStackTrace(); } sftp.cd(directory); sftp.rm(deleteFile); } public static Vector<?> getFileList(String userName, String password, String host, int port, String privateKey, String directory) throws Exception { Session session = null; ChannelSftp sftp = null; // 连接sftp服务器 try { JSch jsch = new JSch(); if (privateKey != null) { // 设置私钥 jsch.addIdentity(privateKey); } session = jsch.getSession(userName, host, port); if (password != null) { session.setPassword(password); } Properties config = new Properties(); config.put("StrictHostKeyChecking", "no"); session.setConfig(config); session.connect(); Channel channel = session.openChannel("sftp"); channel.connect(); sftp = (ChannelSftp) channel; } catch (JSchException e) { e.printStackTrace(); } return sftp.ls(directory); }}
import lombok.extern.slf4j.Slf4j;import org.apache.commons.net.ftp.FTP;import org.apache.commons.net.ftp.FTPClient;import org.apache.commons.net.ftp.FTPFile;import org.apache.commons.net.ftp.FTPReply;import java.io.*;@Slf4jpublic class FtpUtils { public static void main(String[] args) throws Exception { log.info("测试开始!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); // 1 File file = new File("E:\\2.xlsx"); InputStream inputStream = new FileInputStream(file); FtpUtils.uploadFile("", 21, "", "", "/usr/local", "/testfile/", "test.xlsx", inputStream); // 2 FtpUtils.downloadFile("", 21, "", "","/usr/local/testfile/", "test.csv", "/Users/ao/Desktop/test.csv"); log.info("测试结束!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); } public static boolean uploadFile(String host, int port, String userName, String password, String basePath, String filePath, String filename, InputStream input) throws Exception{ boolean result = false; FTPClient ftp = new FTPClient(); try { int reply; // 连接FTP服务器 ftp.connect(host, port); // 如果采用默认端口,可以使用ftp.connect(host)的方式直接连接FTP服务器 // 登录 ftp.login(userName, password); reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp.disconnect(); return result; } //切换到上传目录 if (!ftp.changeWorkingDirectory(basePath+filePath)) { //如果目录不存在创建目录 String[] dirs = filePath.split("/"); String tempPath = basePath; for (String dir : dirs) { if (null == dir || "".equals(dir)){ continue; } tempPath += "/" + dir; if (!ftp.changeWorkingDirectory(tempPath)) { if (!ftp.makeDirectory(tempPath)) { return result; } else { ftp.changeWorkingDirectory(tempPath); } } } } //设置上传文件的类型为二进制类型 ftp.setFileType(FTP.BINARY_FILE_TYPE); //上传文件 if (!ftp.storeFile(filename, input)) { return result; } input.close(); ftp.loGout(); result = true; } catch (IOException e) { e.printStackTrace(); } finally { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException ioe) { } } } return result; } public static boolean downloadFile(String host, int port, String userName, String password, String remotePath, String fileName, String localPath) throws Exception { boolean result = false; FTPClient ftp = new FTPClient(); try { int reply; ftp.connect(host, port); // 如果采用默认端口,可以使用ftp.connect(host)的方式直接连接FTP服务器 // 登录 ftp.login(userName, password); reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp.disconnect(); return result; } // 转移到FTP服务器目录 ftp.changeWorkingDirectory(remotePath); FTPFile[] fs = ftp.listFiles(); for (FTPFile ff : fs) { if (ff.getName().equals(fileName)) { java.io.File localFile = new File(localPath + "/" + ff.getName()); OutputStream is = new FileOutputStream(localFile); ftp.retrieveFile(ff.getName(), is); is.close(); } } ftp.logout(); result = true; } catch (IOException e) { e.printStackTrace(); } finally { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException ioe) { } } } return result; } }
关于“Java如何使用Sftp和Ftp实现对文件的上传和下载”这篇文章就分享到这里了,希望以上内容可以对大家有一定的帮助,使各位可以学到更多知识,如果觉得文章不错,请把它分享出去让更多的人看到。
--结束END--
本文标题: Java如何使用Sftp和Ftp实现对文件的上传和下载
本文链接: https://www.lsjlt.com/news/269138.html(转载时请注明来源链接)
有问题或投稿请发送至: 邮箱/279061341@qq.com QQ/279061341
下载Word文档到电脑,方便收藏和打印~
2024-05-21
2024-05-21
2024-05-21
2024-05-21
2024-05-21
2024-05-21
2024-05-21
2024-05-21
2024-05-21
2024-05-21
回答
回答
回答
回答
回答
回答
回答
回答
回答
回答
0