Java FTP上传下载文件示例工程

package com; /*** * Coldfusion调用Java程序 把Java要引入的jar包放入D:\ColdFusion9\lib * <cfscript> * objFile=CreateObject("Java","java.io.File"); * objFileInStream=CreateObject("Java","java.io.FileInputStream"); * objIOUtils=CreateObject("Java","org.apache.commons.io.IOUtils"); * objFtpClient=CreateObject("Java","org.apache.commons.net.ftp.FTPClient"); * </cfscript> */ import org.apache.commons.io.IOUtils; import org.apache.commons.net.ftp.FTPClient; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.FileOutputStream; public class FtpTest1 { public static void main(String[] args) { String ip="154.122.16.110"; int port=41; String userName="fosaererum1"; String passWord="qaadfzwsx`12"; String sourceFileUrl="D:\\数据2011-08-1---2011-08-31.xls"; String ftpGoalDir="/bbs/communitypic"; String downDir="c:\\"; String renameFileName="tang.xls"; String downFileName="downtfq.rar"; testUpload(ip,port,userName,passWord,sourceFileUrl,ftpGoalDir,renameFileName); //testDownload(ip,port,userName,passWord,ftpGoalDir,downDir,downFileName); } /** * FTP上传单个文件测试 */ /** * */ /*** * 经测试可以上传文件类型:rar,xls,doc,txt,gif * @ftpGoalDir:ftp服务器的目录 * @sourceFileUrl 上传文件的路径 * */ public static boolean testUpload(String ip,int port,String userName,String passWord,String sourceFileUrl,String ftpGoalDir,String renameFileName) { //上传不成功 boolean res=false; //创建一个连接FTP服务器对象 FTPClient ftpClient = new FTPClient(); //创建一个文件写入流对象 FileInputStream fis = null; try { //连接FTP服务器 ftpClient.connect(ip); //登录FTP连接 ftpClient.login(userName, passWord); //创建文件对象 File srcFile = new File(sourceFileUrl); //向FTP服务器写入文件 fis = new FileInputStream(srcFile); //设置上传目录 ftpClient.changeWorkingDirectory(ftpGoalDir); //向目标服务器写入文件大小限制 ftpClient.setBufferSize(1024); // ftpClient.setControlEncoding("GBK"); //设置文件类型（二进制） ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE); ftpClient.storeFile(renameFileName, fis); res=true; System.out.println("upload successful!"); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("FTP客户端出错！", e); } finally { IOUtils.closeQuietly(fis); try { ftpClient.disconnect(); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("关闭FTP连接发生异常！", e); } } return res; } /** * FTP下载单个文件测试 */ public static void testDownload(String ip,int port,String userName,String passWord,String ftpGoalDir,String sourceFileUrl,String renameFileName) { FTPClient ftpClient = new FTPClient(); FileOutputStream fos = null; try { ftpClient.connect(ip); ftpClient.login(userName, passWord); String remoteFileName = ftpGoalDir; fos = new FileOutputStream(sourceFileUrl+"/"+renameFileName); ftpClient.setBufferSize(1024); //设置文件类型（二进制） ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE); ftpClient.retrieveFile(remoteFileName, fos); System.out.println("successful!"); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("FTP客户端出错！", e); } finally { IOUtils.closeQuietly(fos); try { ftpClient.disconnect(); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("关闭FTP连接发生异常！", e); } } } }