Java Ftp 操作上传与下载

import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import org.apache.commons.io.IOUtils;import org.apache.commons.net.ftp.FTPClient;import sun.net.TelnetInputStream;import sun.net.TelnetOutputStream;import sun.net.ftp.FtpClient;public class Test {private String ip = "192.168.5.200";private int poot = 21;private String userName = "weizheng";private String password = "123456";private String oldFilePath = "C://Users//Administrator//Desktop//aaa.doc";private String newFileName = "123456.doc";private String dowloadPath = "F:/"+newFileName;private void apacheUpload() throws Exception{FTPClient client = new FTPClient(); FileInputStream fis = null; client.connect(ip);client.login(userName, password);File srcFile = new File(oldFilePath); fis = new FileInputStream(srcFile); //设置上传目录 client.changeWorkingDirectory("/"); client.setBufferSize(1024); client.setControlEncoding("GBK"); //设置文件类型（二进制） client.setFileType(FTPClient.BINARY_FILE_TYPE); client.storeFile("abc.doc", fis); IOUtils.closeQuietly(fis); try { client.disconnect(); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("关闭FTP连接发生异常！", e); } }private void apacheDowload() throws Exception{FTPClient ftpClient = new FTPClient(); FileOutputStream fos = null; try { ftpClient.connect(ip); ftpClient.login(userName, password); fos = new FileOutputStream(dowloadPath); ftpClient.setBufferSize(1024); //设置文件类型（二进制） ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE); ftpClient.retrieveFile(oldFilePath, fos); } 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); } } }private void sunUpload() throws Exception{FtpClient sunClient = new FtpClient(); TelnetOutputStream os = null; FileInputStream is = null; sunClient.openServer(ip);sunClient.login(userName, password);os = sunClient.put(newFileName);File file = new File(oldFilePath);is = new FileInputStream(file);byte[] b = new byte[1024];int len = 0;while((len=is.read(b))!=-1){os.write(b,0,len);}is.close();os.close();}private void sunDownload() throws Exception{FtpClient sunClient = new FtpClient(); TelnetInputStream is = null; FileOutputStream os = null; sunClient.openServer(ip);sunClient.login(userName, password);is = sunClient.get(newFileName);File outputfile = new File(dowloadPath);os = new FileOutputStream(outputfile);byte[] b = new byte[1024];int len = 0;while((len=is.read(b))!=-1){os.write(b, 0, len);}is.close();os.close();}public static void main(String[] args) throws Exception {Test t = new Test();t.sunUpload();t.sunDownload();//t.apacheUpload();//t.apacheDowload();}}

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其中apache方式操作需要添加 jar

    commons-io.jar

    commons-net..jar