FavFTPUtil.Java
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package com.favccxx.favsoft.util; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.net.ftp.FTPClient; import org.apache.commons.net.ftp.FTPFile; import org.apache.commons.net.ftp.FTPReply; public class FavFTPUtil { /** * 上传文件(可供Action/Controller层使用) * @param hostname FTP服务器地址 * @param port FTP服务器端口号 * @param username FTP登录帐号 * @param password FTP登录密码 * @param pathname FTP服务器保存目录 * @param fileName 上传到FTP服务器后的文件名称 * @param inputStream 输入文件流 * @return */ public static boolean uploadFile(String hostname, int port, String username, String password, String pathname, String fileName, InputStream inputStream){ boolean flag = false ; FTPClient ftpClient = new FTPClient(); ftpClient.setControlEncoding( "UTF-8" ); try { //连接FTP服务器 ftpClient.connect(hostname, port); //登录FTP服务器 ftpClient.login(username, password); //是否成功登录FTP服务器 int replyCode = ftpClient.getReplyCode(); if (!FTPReply.isPositiveCompletion(replyCode)){ return flag; } ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE); ftpClient.makeDirectory(pathname); ftpClient.changeWorkingDirectory(pathname); ftpClient.storeFile(fileName, inputStream); inputStream.close(); ftpClient.logout(); flag = true ; } catch (Exception e) { e.printStackTrace(); } finally { if (ftpClient.isConnected()){ try { ftpClient.disconnect(); } catch (IOException e) { e.printStackTrace(); } } } return flag; } /** * 上传文件(可对文件进行重命名) * @param hostname FTP服务器地址 * @param port FTP服务器端口号 * @param username FTP登录帐号 * @param password FTP登录密码 * @param pathname FTP服务器保存目录 * @param filename 上传到FTP服务器后的文件名称 * @param originfilename 待上传文件的名称(绝对地址) * @return */ public static boolean uploadFileFromProduction(String hostname, int port, String username, String password, String pathname, String filename, String originfilename){ boolean flag = false ; try { InputStream inputStream = new FileInputStream( new File(originfilename)); flag = uploadFile(hostname, port, username, password, pathname, filename, inputStream); } catch (Exception e) { e.printStackTrace(); } return flag; } /** * 上传文件(不可以进行文件的重命名操作) * @param hostname FTP服务器地址 * @param port FTP服务器端口号 * @param username FTP登录帐号 * @param password FTP登录密码 * @param pathname FTP服务器保存目录 * @param originfilename 待上传文件的名称(绝对地址) * @return */ public static boolean uploadFileFromProduction(String hostname, int port, String username, String password, String pathname, String originfilename){ boolean flag = false ; try { String fileName = new File(originfilename).getName(); InputStream inputStream = new FileInputStream( new File(originfilename)); flag = uploadFile(hostname, port, username, password, pathname, fileName, inputStream); } catch (Exception e) { e.printStackTrace(); } return flag; } /** * 删除文件 * @param hostname FTP服务器地址 * @param port FTP服务器端口号 * @param username FTP登录帐号 * @param password FTP登录密码 * @param pathname FTP服务器保存目录 * @param filename 要删除的文件名称 * @return */ public static boolean deleteFile(String hostname, int port, String username, String password, String pathname, String filename){ boolean flag = false ; FTPClient ftpClient = new FTPClient(); try { //连接FTP服务器 ftpClient.connect(hostname, port); //登录FTP服务器 ftpClient.login(username, password); //验证FTP服务器是否登录成功 int replyCode = ftpClient.getReplyCode(); if (!FTPReply.isPositiveCompletion(replyCode)){ return flag; } //切换FTP目录 ftpClient.changeWorkingDirectory(pathname); ftpClient.dele(filename); ftpClient.logout(); flag = true ; } catch (Exception e) { e.printStackTrace(); } finally { if (ftpClient.isConnected()){ try { ftpClient.logout(); } catch (IOException e) { } } } return flag; } /** * 下载文件 * @param hostname FTP服务器地址 * @param port FTP服务器端口号 * @param username FTP登录帐号 * @param password FTP登录密码 * @param pathname FTP服务器文件目录 * @param filename 文件名称 * @param localpath 下载后的文件路径 * @return */ public static boolean downloadFile(String hostname, int port, String username, String password, String pathname, String filename, String localpath){ boolean flag = false ; FTPClient ftpClient = new FTPClient(); try { //连接FTP服务器 ftpClient.connect(hostname, port); //登录FTP服务器 ftpClient.login(username, password); //验证FTP服务器是否登录成功 int replyCode = ftpClient.getReplyCode(); if (!FTPReply.isPositiveCompletion(replyCode)){ return flag; } //切换FTP目录 ftpClient.changeWorkingDirectory(pathname); FTPFile[] ftpFiles = ftpClient.listFiles(); for (FTPFile file : ftpFiles){ if (filename.equalsIgnoreCase(file.getName())){ File localFile = new File(localpath + "/" + file.getName()); OutputStream os = new FileOutputStream(localFile); ftpClient.retrieveFile(file.getName(), os); os.close(); } } ftpClient.logout(); flag = true ; } catch (Exception e) { e.printStackTrace(); } finally { if (ftpClient.isConnected()){ try { ftpClient.logout(); } catch (IOException e) { } } } return flag; } } |
FavFTPUtilTest.java
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package com.favccxx.favsoft.util; import junit.framework.TestCase; public class FavFTPTest extends TestCase { public void testFavFTPUtil(){ String hostname = "127.0.0.1" ; int port = 21 ; String username = "business" ; String password = "business" ; String pathname = "business/ebook" ; String filename = "big.rar" ; String originfilename = "C:\Users\Downloads\Downloads.rar" ; FavFTPUtil.uploadFileFromProduction(hostname, port, username, password, pathname, filename, originfilename); // String localpath = "D:/"; // FavFTPUtil.downloadFile(hostname, port, username, password, pathname, filename, localpath); } } |