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354 lines
12 KiB
354 lines
12 KiB
2 years ago
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package com.dxhy.oss.service;
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import cn.hutool.core.io.FileUtil;
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import com.dxhy.oss.utils.SftpPool;
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import com.jcraft.jsch.ChannelSftp;
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import com.jcraft.jsch.SftpException;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.net.ftp.FTP;
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import org.apache.commons.net.ftp.FTPClient;
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import org.apache.commons.net.ftp.FTPFile;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @author jiaohongyang
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*/
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@Slf4j
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public class FtpService {
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private final SftpPool pool;
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public FtpService(SftpPool pool) {
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this.pool = pool;
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}
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/**
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* 将输入流的数据上传到sftp作为文件。文件完整路径 = basePath+directory
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*
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* @param pathName ftp服务保存地址，完整路径
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* @param fileName 上传到ftp的文件名
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* @param originFileName 待上传文件的名称（绝对地址）
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*/
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public boolean uploadFile(String pathName, String fileName, String originFileName) throws InterruptedException {
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log.info("开始上传文件");
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ChannelSftp sftp = null;
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InputStream inputStream;
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try {
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sftp = pool.borrowObject();
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try {
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sftp.cd(pathName);
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} catch (SftpException e) {
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// 目录不存在，则创建文件夹
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String[] dirs = pathName.split("/");
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String tempPath = "";
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for (String dir : dirs) {
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if (null == dir || "".equals(dir)) {
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continue;
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}
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tempPath += "/" + dir;
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try {
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sftp.cd(tempPath);
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} catch (SftpException ex) {
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try {
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sftp.mkdir(tempPath);
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sftp.cd(tempPath);
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} catch (SftpException e1) {
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e1.printStackTrace();
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}
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}
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}
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}
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File orgFile = new File(originFileName);
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inputStream = Files.newInputStream(orgFile.toPath());
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sftp.put(inputStream, fileName);
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inputStream.close();
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// 删除本地文件，防止服务器空间不足
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FileUtil.del(orgFile);
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log.info("上传文件成功");
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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log.info("上传文件失败");
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return false;
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} finally {
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if (sftp != null) {
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log.info("回收线程");
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pool.returnObject(sftp);
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}
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}
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}
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public static boolean uploadFile(FTPClient ftpClient, String serviceDec, String fileName, InputStream inputStream) {
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try {
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log.info("开始上传文件");
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ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
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createDirecroty(ftpClient, serviceDec);
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ftpClient.makeDirectory(serviceDec);
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ftpClient.changeWorkingDirectory(serviceDec);
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ftpClient.storeFile(fileName, inputStream);
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inputStream.close();
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ftpClient.logout();
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log.info("上传文件成功");
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} catch (Exception e) {
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log.error("上传文件失败" + e);
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} finally {
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try {
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if (ftpClient.isConnected()) {
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ftpClient.disconnect();
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}
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if (null != inputStream) {
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inputStream.close();
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}
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} catch (IOException e) {
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log.error("上传文件失败" + e);
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return false;
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}
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}
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return true;
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}
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private static boolean createDirecroty(FTPClient ftpClient, String remote) throws IOException {
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boolean success = true;
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String directory = remote + "/";
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// 如果远程目录不存在，则递归创建远程服务器目录
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if (!directory.equalsIgnoreCase("/") && !changeWorkingDirectory(ftpClient, new String(directory))) {
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int start = 0;
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int end = 0;
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if (directory.startsWith("/")) {
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start = 1;
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} else {
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start = 0;
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}
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end = directory.indexOf("/", start);
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String path = "";
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String paths = "";
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while (true) {
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String subDirectory = new String(remote.substring(start, end).getBytes("GBK"), "iso-8859-1");
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path = path + "/" + subDirectory;
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if (!existFile(ftpClient, path)) {
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if (makeDirectory(ftpClient, subDirectory)) {
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changeWorkingDirectory(ftpClient, subDirectory);
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} else {
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log.info("创建目录[" + subDirectory + "]失败");
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changeWorkingDirectory(ftpClient, subDirectory);
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}
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} else {
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changeWorkingDirectory(ftpClient, subDirectory);
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}
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paths = paths + "/" + subDirectory;
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start = end + 1;
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end = directory.indexOf("/", start);
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// 检查所有目录是否创建完毕
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if (end <= start) {
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break;
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}
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}
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}
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return success;
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}
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//改变目录路径
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private static boolean changeWorkingDirectory(FTPClient ftpClient, String directory) {
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boolean flag = true;
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try {
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flag = ftpClient.changeWorkingDirectory(directory);
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if (flag) {
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log.info("进入文件夹" + directory + " 成功！");
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} else {
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log.info("进入文件夹" + directory + " 失败！开始创建文件夹");
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}
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} catch (IOException ioe) {
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ioe.printStackTrace();
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}
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return flag;
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}
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//判断ftp服务器文件是否存在
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private static boolean existFile(FTPClient ftpClient, String path) throws IOException {
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boolean flag = false;
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FTPFile[] ftpFileArr = ftpClient.listFiles(path);
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if (ftpFileArr.length > 0) {
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flag = true;
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}
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return flag;
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}
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//创建目录
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private static boolean makeDirectory(FTPClient ftpClient, String dir) {
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boolean flag = true;
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try {
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flag = ftpClient.makeDirectory(dir);
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if (flag) {
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log.info("创建文件夹" + dir + " 成功！");
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} else {
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log.info("创建文件夹" + dir + " 失败！");
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return flag;
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}
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/**
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* 获取FTP某一特定目录下的所有文件名称
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*
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* @param ftpClient 已经登陆成功的FTPClient
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* @param ftpDirPath FTP上的目标文件路径
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*/
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public static List getFileNameList(FTPClient ftpClient, String ftpDirPath) {
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List list = new ArrayList();
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try {
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if (ftpDirPath.startsWith("/") && ftpDirPath.endsWith("/")) {
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// 通过提供的文件路径获取FTPFile对象列表
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FTPFile[] files = ftpClient.listFiles(ftpDirPath);
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// 遍历文件列表，打印出文件名称
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for (int i = 0; i < files.length; i++) {
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FTPFile ftpFile = files[i];
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// 此处只打印文件，未遍历子目录（如果需要遍历，加上递归逻辑即可）
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if (ftpFile.isFile()) {
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// log.info(ftpDirPath + ftpFile.getName());
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list.add(ftpFile.getName());
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}
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}
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log.info("当前FTP路径可用");
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} else {
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log.info("当前FTP路径不可用");
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}
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} catch (IOException e) {
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log.error("错误" + e);
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}
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return list;
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}
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public File downloadFile(FTPClient ftpClient, String servicePath, String fileName, String localFilePath) {
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String name = dowFile(ftpClient, servicePath, fileName, localFilePath);
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if (name != null && !name.equals("")){
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return new File(fileName);
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}
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return null;
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}
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private static String dowFile(FTPClient ftpClient, String servicePath, String fileName, String localFilePath) {
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InputStream is = null;
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FileOutputStream fos = null;
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try {
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ftpClient.enterLocalPassiveMode();
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is = ftpClient.retrieveFileStream(servicePath + fileName);// 获取ftp上的文件
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fos = new FileOutputStream(new File(localFilePath + fileName));
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// 文件读取方式一
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int i;
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byte[] bytes = new byte[1024];
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while ((i = is.read(bytes)) != -1) {
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fos.write(bytes, 0, i);
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}
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// 文件读取方式二
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//ftpClient.retrieveFile(ftpFilePath, new FileOutputStream(new File(localFilePath)));
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ftpClient.completePendingCommand();
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log.info("FTP文件下载成功！");
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} catch (Exception e) {
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log.error("FTP文件下载失败！" + e);
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} finally {
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try {
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if (fos != null) fos.close();
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if (is != null) is.close();
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} catch (IOException e) {
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log.error("下载流关闭失败" + e);
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return null;
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}
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}
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return localFilePath + fileName;
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}
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public boolean downloadFile(String directory, String downloadFile, String saveFile) {
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log.info("开始下载文件!");
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ChannelSftp sftp = null;
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try {
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sftp = pool.borrowObject();
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if (directory != null && !"".equals(directory)) {
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sftp.cd(directory);
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}
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String file = saveFile + "/" + downloadFile;
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File fileLocal = new File(file);
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if (fileLocal.exists()) {
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boolean delete = fileLocal.delete();
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log.info("删除本地路径文件：{}", delete);
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}
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this.directoryIsExists(saveFile);
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sftp.get(downloadFile, file);
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log.info("下载文件成功!");
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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log.info("下载文件失败!");
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return false;
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} finally {
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if (sftp != null) {
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log.info("回收线程");
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pool.returnObject(sftp);
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}
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}
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}
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/**
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* 删除文件
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*
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* @param directory 要删除文件所在目录
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* @param deleteFile 要删除的文件
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* @return 返回是否删除成功
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*/
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public boolean deleteFile(String directory, String deleteFile) {
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ChannelSftp sftp = null;
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try {
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sftp = pool.borrowObject();
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sftp.cd(directory);
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sftp.rm(deleteFile);
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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} finally {
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if (sftp != null) {
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log.info("回收线程");
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pool.returnObject(sftp);
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}
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}
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}
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public void directoryIsExists(String path) {
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File directory = new File(path);
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if (directory.exists()) {
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return;
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}
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if (!directory.mkdir()) {
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return;
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}
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if (directory.canWrite()) {
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return;
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}
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boolean setWritable = directory.setWritable(true);
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log.info("是否创建文件 directoryIsExists ：{} ", setWritable);
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}
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}
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