FavFTPUtil.Javapackage 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 {  /** * 上傳文件（可供Action/Controller層使用） * @param hostname FTP服務(wù)器地址 * @param port FTP服務(wù)器端口號 * @param username FTP登錄帳號 * @param password FTP登錄密碼 * @param pathname FTP服務(wù)器保存目錄 * @param fileName 上傳到FTP服務(wù)器后的文件名稱 * @param inputStream 輸入文件流 * @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 { //連接FTP服務(wù)器 ftpClient.connect(hostname, port); //登錄FTP服務(wù)器 ftpClient.login(username, password); //是否成功登錄FTP服務(wù)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; }   /** * 上傳文件（可對文件進(jìn)行重命名） * @param hostname FTP服務(wù)器地址 * @param port FTP服務(wù)器端口號 * @param username FTP登錄帳號 * @param password FTP登錄密碼 * @param pathname FTP服務(wù)器保存目錄 * @param filename 上傳到FTP服務(wù)器后的文件名稱 * @param originfilename 待上傳文件的名稱（絕對地址） * @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; }  /** * 上傳文件（不可以進(jìn)行文件的重命名操作） * @param hostname FTP服務(wù)器地址 * @param port FTP服務(wù)器端口號 * @param username FTP登錄帳號 * @param password FTP登錄密碼 * @param pathname FTP服務(wù)器保存目錄 * @param originfilename 待上傳文件的名稱（絕對地址） * @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; }   /** * 刪除文件 * @param hostname FTP服務(wù)器地址 * @param port FTP服務(wù)器端口號 * @param username FTP登錄帳號 * @param password FTP登錄密碼 * @param pathname FTP服務(wù)器保存目錄 * @param filename 要刪除的文件名稱 * @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 { //連接FTP服務(wù)器 ftpClient.connect(hostname, port); //登錄FTP服務(wù)器 ftpClient.login(username, password); //驗(yàn)證FTP服務(wù)器是否登錄成功 int replyCode = ftpClient.getReplyCode(); if(!FTPReply.isPositiveCompletion(replyCode)){ return flag; } //切換FTP目錄 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; }  /** * 下載文件 * @param hostname FTP服務(wù)器地址 * @param port FTP服務(wù)器端口號 * @param username FTP登錄帳號 * @param password FTP登錄密碼 * @param pathname FTP服務(wù)器文件目錄 * @param filename 文件名稱 * @param localpath 下載后的文件路徑 * @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 { //連接FTP服務(wù)器 ftpClient.connect(hostname, port); //登錄FTP服務(wù)器 ftpClient.login(username, password); //驗(yàn)證FTP服務(wù)器是否登錄成功 int replyCode = ftpClient.getReplyCode(); if(!FTPReply.isPositiveCompletion(replyCode)){ return flag; } //切換FTP目錄 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.javapackage 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); }}