简单的java ftp功能

//仅仅实现了FTP功能。/** * @author wuxg * */package com.wuxg.server.ftp;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import org.apache.commons.net.ftp.FTPClient;import org.apache.commons.net.ftp.FTPReply;public class FtpClient {    private FTPClient ftpClient;    private int reply;        /**     * 连接ftp服务器     *     * @param server  服务器IP     * @param user    ftp登陆用户名     * @param password ftp登陆密码     * @throws IOException     */    public void connectServer(String server,String user,String password)        throws IOException{            ftpClient = new FTPClient();            //连接服务器            ftpClient.connect(server,Constants.PORT);            //登陆            ftpClient.login(user, password);            //上传文件            ftpClient.setFileType(ftpClient.BINARY_FILE_TYPE);            reply=ftpClient.getReplyCode();            if(!FTPReply.isPositiveCompletion(reply)){                ftpClient.disconnect();                System.out.println("connect error");            }            else{                System.out.println("connect success");                System.out.println("---------------------");            }    }        /**     *     * @param server     *                 服务器地址     * @param user     *                 登陆用户名     * @param password     *                 登陆密码     * @param remotePath     *                     远程路径     * @throws IOException     */    public void connectServer(String server,String user,String password ,String remotePath)        throws IOException {            ftpClient = new FTPClient();            ftpClient.connect(server,Constants.PORT);            ftpClient.login(user, password);            //更换上传目录            ftpClient.changeWorkingDirectory(remotePath);            ftpClient.setFileType(ftpClient.BINARY_FILE_TYPE);            reply=ftpClient.getReplyCode();            if(!FTPReply.isPositiveCompletion(reply)){                ftpClient.disconnect();                System.out.println("connect error");            }            else{                System.out.println("connect success");                System.out.println("---------------------");            }    }        /**     * 上传单个文件     *     * @param fileName     *             上传到服务器的文件名     * @param input     * @throws IOException     */    public void uploadFile(String fileName,InputStream input) throws IOException{        ftpClient.storeFile(fileName,input);    }    /**     * 多个文件目录上传     *     * @param localFile     *             本地上传路径     * @param remotePath     *             上传的ftp服务器上的目录     * @throws IOException     */    public void uploadMoreFiles(String localFile,String remotePath) throws IOException{        //StringBuffer strBuf =new StringBuffer();        File fi=new File(localFile);        File []fileList=fi.listFiles();        for(File f : fileList){            if(f.isDirectory()){           //如果是目录                            String nextPath=f.getName().toString();                //System.out.println("----------"+nextPath);                ftpClient.changeWorkingDirectory(remotePath);                ftpClient.makeDirectory(nextPath);                //ftpClient.changeWorkingDirectory(remotePath+"/"+ nextPath);                String path =(remotePath+"/"+ nextPath).toString();                //System.out.println(path);                uploadMoreFiles(f.getAbsolutePath().toString(),path);            }else{                ftpClient.changeWorkingDirectory(remotePath);                InputStream finput= new FileInputStream(f.getAbsolutePath());                uploadFile(f.getName(),finput);                finput.close();            }        }    }        //关闭ftp    public void closeFtpClient() throws IOException{        if( ftpClient != null){            ftpClient.disconnect();        }    }}