ftp批量下载文件

import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;


public class TestFtp {

public static void main(String[] args) {

  
        FTPClient ftpClient = new FTPClient();
        FileOutputStream fos = null;
        String dir = "e:/oracle_log/" ;
        try {
            ftpClient.connect("192.168.1.124");
            ftpClient.login("oracle", "oracle");
            ftpClient.setBufferSize(1024);
            String remoteFileName = "/opt/oracle/admin/orcl/bdump/";
            //设置文件类型（二进制）
            ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
            FTPFile[] ftpF = ftpClient.listFiles(remoteFileName) ;
           
            for(FTPFile f : ftpF) {
            System.out.println(f.getName()) ;
            fos = new FileOutputStream(dir+f.getName());
           
            ftpClient.retrieveFile(remoteFileName+f.getName(), fos);
            fos.close();
            }
          
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException("FTP客户端出错！", e);
        } finally {
          
            try {
                ftpClient.disconnect();
            } catch (IOException e) {
                e.printStackTrace();
                throw new RuntimeException("关闭FTP连接发生异常！", e);
            }
        }
   
}
}