ftp工具类的分享

来源：互联网发布：淘宝大连博哲贸易怎样编辑：程序博客网时间：2024/05/17 04:29
最近需要往服务器上传文件就用到ftp上传，我写了个小工具类与大家分享一下。
import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.SocketException;import org.apache.commons.io.IOUtils;import org.apache.commons.net.ftp.FTPClient;import org.apache.commons.net.ftp.FTPFile;import org.apache.commons.net.ftp.FTPReply;import com.asiainfo.wechatservice.service.FtpService;public class FtpServerImpl {    /**    * Description: 向FTP服务器上传文件    * @param remotePath FTP服务器保存目录    * @param localFile 上传到FTP服务器上的文件名    * @param prot 上传到FTP服务器端口    * @param user  FTP服务器用户    * @param password FTP服务器密码    * @param localFile 上传文件    */     public void upload(String url, int port, String user, String password,String remotePath, String localFile) {        // TODO Auto-generated method stub        FTPClient ftpClient = new FTPClient();        FileInputStream fis = null;         int reply;         try {                ftpClient.connect(url, port);                ftpClient.login(user, password);                 reply = ftpClient.getReplyCode();                if (!FTPReply.isPositiveCompletion(reply)) {                     ftpClient.disconnect();                    System.out.println("faile");                }                 File srcFile = new File(localFile);                 fis = new FileInputStream(srcFile);                 ftpClient.changeWorkingDirectory(remotePath);                ftpClient.setBufferSize(1024);                 ftpClient.setControlEncoding("utf-8");                 //设置文件类型（二进制）                 ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);                 ftpClient.storeFile(localFile, fis);                 System.out.println("连接成功");        } catch (SocketException e) {            // TODO Auto-generated catch block            throw new RuntimeException("FTP客户端出错！", e);         } catch (IOException e) {              e.printStackTrace();              throw new RuntimeException("关闭FTP连接发生异常！", 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);             }         }     }    /**    * Description: 从FTP服务器下载文件    * @param remotePath FTP服务器上的相对路径    * @param remoteFile 要下载的文件名    * @param localPath 下载后保存到本地的路径    * @param prot 上传到FTP服务器端口    * @param user  FTP服务器用户    * @param password FTP服务器密码    */     public void download(String url, int port, String user, String password,String remotePath, String remoteFile, String localPath) {        // TODO Auto-generated method stub        FTPClient ftpClient = new FTPClient();         FileOutputStream fos = null;         int reply;         try {                ftpClient.connect(url, port);                ftpClient.login(user, password);                 reply = ftpClient.getReplyCode();                if (!FTPReply.isPositiveCompletion(reply)) {                     ftpClient.disconnect();                    System.out.println("faile");                }             ftpClient.changeWorkingDirectory(remotePath);             FTPFile[] fs = ftpClient.listFiles();              for(FTPFile ff:fs){                     if(ff.getName().equals(remoteFile)){                         File localFile = new File(localPath+"/"+ff.getName());                          fos = new FileOutputStream(localFile);                          ftpClient.retrieveFile(ff.getName(), fos);                         fos.close();                     }                 }        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }//转移到FTP服务器目录 }
1 0