apache方式ftp文件操作

来源：互联网发布：罗马方阵vs秦军知乎编辑：程序博客网时间：2024/05/29 13:17
package util;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import org.apache.commons.net.ftp.FTPClient;import org.apache.log4j.Logger;public class FtpManager {    private static final Logger log = Logger.getLogger(FtpManager.class);    String localfilename;    String remotefilename;    public FTPClient ftpClient;    private boolean result;// 登录是否成功    //ftp超时时间    private static int ftptimes = Integer.parseInt(Configuration.readConfigString("ftptimes", "config"));    //连接到ftp服务    public FtpManager(String Ip, int Port, String Ftpname, String Ftppass, String path) {        connectServer(Ip, Port, Ftpname, Ftppass, path);    }    /**     * 连接上ftp服务器     *      * @param ip     * @param port     * @param user用户名     * @param password密码     * @param path服务器上的路径     */    public boolean connectServer(String Ip, int Port, String Ftpname, String Ftppass, String path) {        try {            ftpClient = new FTPClient();            ftpClient.setConnectTimeout(ftptimes);            ftpClient.connect(Ip, Port);            ftpClient.login(Ftpname, Ftppass);            result = true;            if (path.length() != 0) {                ftpClient.changeWorkingDirectory(path);            }             // 设置以二进制方式传输              ftpClient.setFileType(ftpClient.BINARY_FILE_TYPE);              log.debug("ftp[" + Ip + "]登录成功：");        } catch (Exception ex) {            result = false;            log.error("ftp[" + Ip + "]登录失败：");        }        return result;    }    /**     * 把远程系统上的目录切换到参数remoteDirectory所指定的目录     *      * @param remoteDirectory     */    public void cd(String remoteDirectory) throws IOException {        ftpClient.changeWorkingDirectory(remoteDirectory);    }    /**     * 在远端系统浏览上一级目录     *      * @param remoteDirectory     */    public void cdup() throws IOException {        ftpClient.changeToParentDirectory();    }    /**     * 发送命令 cmd给服务器     *      * @param cmd     * @throws IOException      */    public void sendServer(String cmd) throws IOException {        ftpClient.sendSiteCommand(cmd);    }    /**     * 关闭ftp连接     */    public void closeConnect() {        try {            ftpClient.disconnect();        } catch (IOException ex) {            log.error("断开FTP服务器失败", ex);        }    }    /**     * 上传到ftp服务器     *      * @throws Exception     */    public boolean upload(String remoteFile, String localFile) {        boolean result = false;        OutputStream os = null;        java.io.File file_in = new java.io.File(localFile);        FileInputStream is = null;        try {            log.debug(localFile + "FTP文件开始上传。。。。。");            os = ftpClient.storeFileStream(remoteFile);            is = new FileInputStream(file_in);            byte[] bytes = new byte[4096];            int c;            while ((c = is.read(bytes)) != -1) {                os.write(bytes, 0, c);            }            log.debug(localFile + "FTP文件上传成功");            result = true;        } catch (Exception ex) {            result = false;            log.error(localFile + ",FTP上传文件失败", ex);        } finally {            try {                if (is != null)                    is.close();                if (os != null)                    os.close();            } catch (IOException e) {                log.error("关闭流失败", e);            }        }        log.debug(localFile + "FTP文件结束上传。。。。。结果：" + result);        return result;    }    /**     * 指定路径从ftp服务器下载     *      * @param remoteFile     * @param localFile     */    public void download(String remoteFile, String localFile) throws Exception {        try {            InputStream is = ftpClient.retrieveFileStream(remoteFile);            File file_in = new File(localFile);            FileOutputStream os = new FileOutputStream(file_in);            byte[] bytes = new byte[1024];            int c;            while ((c = is.read(bytes)) != -1) {                os.write(bytes, 0, c);            }            os.close();            is.close();        } catch (IOException ex) {            log.error("FTP下载文件失败", ex);        }    }    /**      * 判断Ftp目录是否存在,如果不存在则创建目录      * */    public void isDirExist(String dir) {        try {            if (!ftpClient.changeWorkingDirectory(dir)) {                if (ftpClient.makeDirectory(dir)) {                    ftpClient.changeWorkingDirectory(dir);                }            }        } catch (Exception e) {            log.error("目录创建失败", e);        }    }    public static void main(String agrs[]) {        try {            FtpManager f = new FtpManager("125.88.109.47", 21, "hzdracom","hzdracom", "");            // 获取文件列表//          f.isDirExist("upload/hftest");            f.upload("hftest/hf/wppp.tif", "d:\\mcs\\201502\\4154720150211101913.tif");            f.closeConnect();            System.out.println("=====================");        } catch (Exception ex) {            System.out.println(ex);        }    }    public boolean isResult() {        return result;    }    public void setResult(boolean result) {        this.result = result;    }}
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