ftp实现文件上传(下载)

package getUrlPic;

import java.io.ByteArrayInputStream;

import java.io.IOException;

import java.io.InputStream;

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

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

import org.apache.commons.net.ftp.FTPReply;

public class FtpUploadFile {

    public static void main(String[] args){

//        public static boolean uploadFile(String url,int port,String username, String password, String path, String filename, InputStream input) {

//        boolean success = false;

        FTPClient ftp = new FTPClient();

        InputStream input = null;

        try {

            int reply;

            ftp.connect("localhost", 21);//连接FTP服务器

            //如果采用默认端口，可以使用ftp.connect(url)的方式直接连接FTP服务器

            ftp.login("test", "test");//登录

            reply = ftp.getReplyCode();

            if (!FTPReply.isPositiveCompletion(reply)) {

                ftp.disconnect();

                System.out.println("can not connect");

//            return success;

            }else{

                ftp.setFileType(FTPClient.BINARY_FILE_TYPE);

//                ftp.changeWorkingDirectory(path);

                input = new ByteArrayInputStream("中xuxxx".getBytes("utf-8"));

                ftp.storeFile("test.txt", input);

                // 创建目录

                ftp.makeDirectory("/test/bb");

                //列出目录

                FTPFile[] dirs = ftp.listDirectories("/test");

                for(FTPFile f : dirs ){

                    System.out.println(f.getName());

                }

            }

//            ftp.changeWorkingDirectory(path);

//            ftp.storeFile(filename, input); 

//            input.close();

//            ftp.logout();

//            success = true;

        } catch (IOException e) {

            e.printStackTrace();

        } finally {

            if(input != null){

                try{

                    input.close();

                }catch(IOException e){

                    e.printStackTrace();

                }

            }

            if (ftp.isConnected()) {

                try {

                    ftp.disconnect();

                } catch (IOException ioe) {

                }

            }

        }

//            return success;

            }

//    }

}