FTP下载，本地测试通过
This commit is contained in:
434
src/main/java/com/fjy/spring/untils/FtpUtils.java
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434
src/main/java/com/fjy/spring/untils/FtpUtils.java
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package com.fjy.spring.untils;
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import org.apache.commons.io.IOUtils;
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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 org.apache.commons.net.ftp.FTPReply;
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import java.io.*;
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/**
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* @author F嘉阳
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* @date 2018-05-06 11:35
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*/
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public class FtpUtils {
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private static final String FTP_URL = "176.122.138.235";
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// private static final String FTP_URL = "192.168.79.138";
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private static final int PORT = 21;
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private static final String USER_NAME = "cms";
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private static final String PASSWORD = "imis2";
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/**
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* 本地字符编码
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*/
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private static final String LOCAL_CHARSET = "UTF-8";
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/**
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* FTP协议里面，规定文件名编码为iso-8859-1
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*/
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private static String SERVER_CHARSET = "iso-8859-1";
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/**
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* ftp上传单个文件
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*
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* @param directory 上传至ftp的路径名不包括ftp地址
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* @param srcFileName 要上传的文件全路径名
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* @param destName 上传至ftp后存储的文件名
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* @throws IOException
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*/
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public static boolean upload(String directory, String srcFileName, String destName) throws IOException {
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directory = new String(directory.getBytes("UTF-8"),"iso-8859-1");
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destName = new String(destName.getBytes("UTF-8"),"iso-8859-1");
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FTPClient ftpClient = new FTPClient();
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FileInputStream fis = null;
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boolean result = false;
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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File srcFile = new File(srcFileName);
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fis = new FileInputStream(srcFile);
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// 设置上传目录
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ftpClient.changeWorkingDirectory(directory);
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ftpClient.setBufferSize(1024);
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ftpClient.setControlEncoding(LOCAL_CHARSET);
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// 设置文件类型（二进制）
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ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
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result = ftpClient.storeFile(destName, fis);
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return result;
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} catch (NumberFormatException e) {
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System.out.println("FTP端口配置错误:不是数字:");
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throw e;
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} catch (FileNotFoundException e) {
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throw new FileNotFoundException();
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} catch (IOException e) {
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throw new IOException(e);
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} finally {
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IOUtils.closeQuietly(fis);
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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/**
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* FTP单个文件下载
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*
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* @param directory 要下载的文件所在ftp的路径名不包含ftp地址
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* @param destFileName 要下载的文件名
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* @param downloadName 下载后存储的文件名全路径
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*/
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public static boolean download(String directory, String destFileName, String downloadName) throws IOException {
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FTPClient ftpClient = new FTPClient();
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boolean result = false;
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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ftpClient.setBufferSize(1024);
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// 设置文件类型（二进制）
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ftpClient.changeWorkingDirectory(directory);
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ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
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System.out.println("destFileName:" + destFileName + ",downloadName:" + downloadName);
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FileOutputStream fileOutputStream = new FileOutputStream(downloadName);
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result = ftpClient.retrieveFile(destFileName, fileOutputStream);
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fileOutputStream.flush();
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return result;
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} catch (NumberFormatException e) {
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throw e;
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} catch (FileNotFoundException e) {
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throw new FileNotFoundException();
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} catch (IOException e) {
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throw new IOException(e);
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} finally {
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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/**
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* @author xh 测试成功 可以下载中文文件 ftp默认的编码为gbk
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* @param remotePath
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* @param fileName
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* @param localPath
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* @return
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*/
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public static boolean downFtpFile(String remotePath, String fileName,
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String localPath) {
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boolean success = false;
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FTPClient ftp = new FTPClient();
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try {
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int reply;
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ftp.connect(FTP_URL, PORT);
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// 如果采用默认端口，可以使用ftp.connect(url)的方式直接连接FTP服务器
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// 登录
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ftp.login(USER_NAME, PASSWORD);
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reply = ftp.getReplyCode();
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if (!FTPReply.isPositiveCompletion(reply)) {
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ftp.disconnect();
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return success;
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}
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// 转移到FTP服务器目录
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ftp.changeWorkingDirectory(remotePath);
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ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
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FTPFile[] fs = ftp.listFiles();
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for (FTPFile ff : fs) {
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String fname = new String(ff.getName().getBytes("iso-8859-1"), "UTF-8");
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if (fname.equals(fileName)) {
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File localFile = new File(localPath+fname);
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OutputStream is = new FileOutputStream(localFile);
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ftp.retrieveFile(ff.getName(), is);
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is.close();
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break;
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}
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}
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ftp.logout();
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success = true;
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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if (ftp.isConnected()) {
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try {
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ftp.disconnect();
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} catch (IOException ioe) {
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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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/**
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* @author xh 测试成功 可以下载中文文件 ftp默认的编码为gbk
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* @param remotePath
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* @param fileName
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* @param localPath
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* @return
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*/
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public static boolean downFtpFileByStream(String remotePath, String fileName,
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String localPath) {
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boolean success = false;
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FTPClient ftp = new FTPClient();
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try {
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int reply;
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ftp.connect(FTP_URL, PORT);
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// 如果采用默认端口，可以使用ftp.connect(url)的方式直接连接FTP服务器
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// 登录
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ftp.login(USER_NAME, PASSWORD);
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reply = ftp.getReplyCode();
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if (!FTPReply.isPositiveCompletion(reply)) {
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ftp.disconnect();
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return success;
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}
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// 转移到FTP服务器目录
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ftp.changeWorkingDirectory(remotePath);
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ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
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FTPFile[] fs = ftp.listFiles();
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for (FTPFile ff : fs) {
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String fname = new String(ff.getName().getBytes("iso-8859-1"), "UTF-8");
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if (fname.equals(fileName)) {
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File localFile = new File(localPath+fname);
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OutputStream is = new FileOutputStream(localFile);
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ftp.retrieveFile(ff.getName(), is);
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is.close();
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break;
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}
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}
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ftp.logout();
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success = true;
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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if (ftp.isConnected()) {
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try {
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ftp.disconnect();
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} catch (IOException ioe) {
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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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/**
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* @param directory 要重命名的文件所在ftp的路径名不包含ftp地址
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* @param oldFileName 要重命名的文件名
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* @param newFileName 重命名后的文件名
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* @throws IOException
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*/
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public static boolean rename(String directory, String oldFileName, String newFileName) throws IOException {
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directory = new String(directory.getBytes("UTF-8"),"iso-8859-1");
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oldFileName = new String(oldFileName.getBytes("UTF-8"),"iso-8859-1");
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newFileName = new String(newFileName.getBytes("UTF-8"),"iso-8859-1");
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/**
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* 判断远程文件是否重命名成功，如果成功返回true，否则返回false
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*/
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boolean result = false;
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FTPClient ftpClient = new FTPClient();
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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ftpClient.changeWorkingDirectory(directory);
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//重命名远程文件
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result = ftpClient.rename(oldFileName, newFileName);
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return result;
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} catch (NumberFormatException e) {
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throw e;
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} catch (IOException e) {
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throw new IOException("连接ftp服务器失败！", e);
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} finally {
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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/**
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* @param directory 要删除的文件所在ftp的路径名不包含ftp地址
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* @param fileName 要删除的文件名
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* @return
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* @throws IOException
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*/
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public static boolean remove(String directory, String fileName) throws IOException {
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directory = new String(directory.getBytes("UTF-8"),"iso-8859-1");
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fileName = new String(fileName.getBytes("UTF-8"),"iso-8859-1");
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/**
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* 判断远程文件是否移除成功，如果成功返回true，否则返回false
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*/
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boolean result = false;
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FTPClient ftpClient = new FTPClient();
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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ftpClient.changeWorkingDirectory(directory);
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//删除远程文件
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result = ftpClient.deleteFile(fileName);
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return result;
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} catch (NumberFormatException e) {
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throw e;
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} catch (IOException e) {
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throw new IOException("连接ftp服务器失败！", e);
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} finally {
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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/**
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* @param directory 要创建的目录所在ftp的路径名不包含ftp地址
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* @param newDirectory 要创建的新目录名
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* @return
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* @throws IOException
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*/
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public static boolean makeDirecotory(String directory, String newDirectory) throws IOException {
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directory = new String(directory.getBytes("UTF-8"),"iso-8859-1");
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newDirectory = new String(newDirectory.getBytes("UTF-8"),"iso-8859-1");
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/**
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* 判断远程文件是否移除成功，如果成功返回true，否则返回false
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*/
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boolean result = false;
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FTPClient ftpClient = new FTPClient();
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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ftpClient.changeWorkingDirectory(directory);
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result = ftpClient.makeDirectory(newDirectory);//创建新目录
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return result;
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} catch (NumberFormatException e) {
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throw e;
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} catch (IOException e) {
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throw new IOException("连接ftp服务器失败！", e);
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} finally {
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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/**
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* @param directory 要重命名的目录所在ftp的路径名不包含ftp地址
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* @param oldDirectory 要重命名的旧目录名
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* @param newDirectory 重命名后的新目录
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* @return
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* @throws IOException
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*/
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public static boolean renameDirecotory(String directory, String oldDirectory, String newDirectory) throws IOException {
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directory = new String(directory.getBytes("UTF-8"),"iso-8859-1");
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oldDirectory = new String(oldDirectory.getBytes("UTF-8"),"iso-8859-1");
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newDirectory = new String(newDirectory.getBytes("UTF-8"),"iso-8859-1");
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// 判断远程文件是否移除成功，如果成功返回true，否则返回false
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boolean result = false;
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FTPClient ftpClient = new FTPClient();
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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ftpClient.changeWorkingDirectory(directory);
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// 重命名目录
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result = ftpClient.rename(oldDirectory, newDirectory);
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return result;
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} catch (NumberFormatException e) {
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throw e;
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} catch (IOException e) {
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throw new IOException("连接ftp服务器失败！", e);
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} finally {
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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/**
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* @param directory 要重命名的目录所在ftp的路径名不包含ftp地址
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* @param deldirectory 要删除的目录名
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* @return
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* @throws IOException
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*/
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public static boolean removeDirecotory(String directory, String deldirectory) throws IOException {
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directory = new String(directory.getBytes("UTF-8"),"iso-8859-1");
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deldirectory = new String(deldirectory.getBytes("UTF-8"),"iso-8859-1");
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/**
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* 判断远程文件是否移除成功，如果成功返回true，否则返回false
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*/
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boolean result = false;
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FTPClient ftpClient = new FTPClient();
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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ftpClient.changeWorkingDirectory(directory);
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result = ftpClient.removeDirectory(deldirectory);//删除目录
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return result;
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} catch (NumberFormatException e) {
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throw e;
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} catch (IOException e) {
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throw new IOException("连接ftp服务器失败！", e);
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} finally {
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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/**
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* @param directory
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* @return
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* @throws IOException
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*/
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public static String[] list(String directory) throws IOException {
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FTPClient ftpClient = new FTPClient();
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try {
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ftpClient.connect(FTP_URL, PORT);
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ftpClient.login(USER_NAME, PASSWORD);
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ftpClient.enterLocalPassiveMode();
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ftpClient.setControlEncoding(LOCAL_CHARSET);
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ftpClient.changeWorkingDirectory(directory);
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ftpClient.enterLocalPassiveMode();
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//删除目录
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String[] list = ftpClient.listNames();
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return list;
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} catch (NumberFormatException e) {
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throw e;
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} catch (IOException e) {
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throw new IOException("连接ftp服务器失败！", e);
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} finally {
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try {
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new RuntimeException("关闭FTP连接发生异常！", e);
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}
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}
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}
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}
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