版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/qq_28929579/article/details/89158213
1. 工具类 FTPUtils 和 SFTPUtils
FTPUtils :
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.MalformedURLException;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import com.xxxxxxxxxx.GlobalConstants;
public class FTPUtils {
//ftp服务器地址
public String hostname;
//ftp服务器端口号默认为21
public Integer port;
//ftp登录账号
public String username;
//ftp登录密码
public String password;
public FTPClient ftpClient;
public FTPUtils() {
this.hostname = GlobalConstants.FTP_URL;
this.port = Integer.parseInt(GlobalConstants.FTP_PORT);
this.username = GlobalConstants.FTP_USER_NAME;
this.password = GlobalConstants.FTP_USER_PWD;
}
/**
* 初始化ftp服务器
*/
public void initFtpClient() {
ftpClient = new FTPClient();
ftpClient.setControlEncoding("utf-8");
try {
System.out.println("connecting...ftp服务器:"+this.hostname+":"+this.port);
ftpClient.connect(hostname, port); //连接ftp服务器
ftpClient.login(username, password); //登录ftp服务器
int replyCode = ftpClient.getReplyCode(); //是否成功登录服务器
if(!FTPReply.isPositiveCompletion(replyCode)){
System.out.println("connect failed...ftp服务器:"+this.hostname+":"+this.port);
}
System.out.println("connect successfu...ftp服务器:"+this.hostname+":"+this.port);
}catch (MalformedURLException e) {
e.printStackTrace();
}catch (IOException e) {
e.printStackTrace();
}
}
/**
* 上传文件
* @param pathname ftp服务保存地址
* @param fileName 上传到ftp的文件名
* @param originfilename 待上传文件的名称(绝对地址) *
* @return
*/
public boolean uploadFile( String pathname, String fileName,String originfilename){
boolean flag = false;
InputStream inputStream = null;
try{
System.out.println("开始上传文件");
inputStream = new FileInputStream(new File(originfilename));
initFtpClient();
ftpClient.setFileType(ftpClient.BINARY_FILE_TYPE);
CreateDirecroty(pathname);
ftpClient.makeDirectory(pathname);
ftpClient.changeWorkingDirectory(pathname);
ftpClient.storeFile(fileName, inputStream);
inputStream.close();
ftpClient.logout();
flag = true;
System.out.println("上传文件成功");
}catch (Exception e) {
System.out.println("上传文件失败");
e.printStackTrace();
}finally{
if(ftpClient.isConnected()){
try{
ftpClient.disconnect();
}catch(IOException e){
e.printStackTrace();
}
}
if(null != inputStream){
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return true;
}
/**
* 上传文件夹
* @param targetUrl ftp服务保存基本地址
* @param middlePath ftp完整路径为targetUrl+middlePath
* @param inputStream 输入文件流
* @return
*/
public boolean uploadFiles( String targetUrl, String middlePath, String localPath){
String pathname = targetUrl + middlePath;
boolean flag = false;
FileInputStream in = null;
try{
ftpClient.setFileType(ftpClient.BINARY_FILE_TYPE);
CreateDirecroty(pathname);
ftpClient.makeDirectory(pathname);
ftpClient.changeWorkingDirectory(pathname);
File file = new File(localPath);
if (file.isDirectory()) {
File[] list = file.listFiles();
for (int i = 0; i < list.length; i++) {
try {
in = new FileInputStream(list[i]);
ftpClient.storeFile(list[i].getName(), in);
in.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
}
flag = true;
System.out.println("上传文件成功");
ftpClient.changeWorkingDirectory(targetUrl);
}catch (Exception e) {
System.out.println("上传文件失败");
e.printStackTrace();
}finally{
if(null != in){
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return flag;
}
public void loginOut() {
try {
ftpClient.logout();
if(ftpClient.isConnected()){
try{
ftpClient.disconnect();
}catch(IOException e){
e.printStackTrace();
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
//改变目录路径
public boolean changeWorkingDirectory(String directory) {
boolean flag = true;
try {
flag = ftpClient.changeWorkingDirectory(directory);
if (flag) {
System.out.println("进入文件夹" + directory + " 成功!");
} else {
System.out.println("进入文件夹" + directory + " 失败!开始创建文件夹");
}
} catch (IOException ioe) {
ioe.printStackTrace();
}
return flag;
}
//创建多层目录文件,如果有ftp服务器已存在该文件,则不创建,如果无,则创建
public boolean CreateDirecroty(String remote) throws IOException {
boolean success = true;
String directory = remote + "/";
// 如果远程目录不存在,则递归创建远程服务器目录
if (!directory.equalsIgnoreCase("/") && !changeWorkingDirectory(new String(directory))) {
int start = 0;
int end = 0;
if (directory.startsWith("/")) {
start = 1;
} else {
start = 0;
}
end = directory.indexOf("/", start);
String path = "";
String paths = "";
while (true) {
String subDirectory = new String(remote.substring(start, end).getBytes("GBK"), "iso-8859-1");
path = path + "/" + subDirectory;
if (!existFile(path)) {
if (makeDirectory(subDirectory)) {
changeWorkingDirectory(subDirectory);
} else {
System.out.println("创建目录[" + subDirectory + "]失败");
changeWorkingDirectory(subDirectory);
}
} else {
changeWorkingDirectory(subDirectory);
}
paths = paths + "/" + subDirectory;
start = end + 1;
end = directory.indexOf("/", start);
// 检查所有目录是否创建完毕
if (end <= start) {
break;
}
}
}
return success;
}
//判断ftp服务器文件是否存在
public boolean existFile(String path) throws IOException {
boolean flag = false;
FTPFile[] ftpFileArr = ftpClient.listFiles(path);
if (ftpFileArr.length > 0) {
flag = true;
}
return flag;
}
//创建目录
public boolean makeDirectory(String dir) {
boolean flag = true;
try {
flag = ftpClient.makeDirectory(dir);
if (flag) {
System.out.println("创建文件夹" + dir + " 成功!");
} else {
System.out.println("创建文件夹" + dir + " 失败!");
}
} catch (Exception e) {
e.printStackTrace();
}
return flag;
}
/** * 下载文件 *
* @param pathname FTP服务器文件目录 *
* @param filename 文件名称 *
* @param localpath 下载后的文件路径 *
* @return */
public boolean downloadFile(String pathname, String filename, String localpath){
boolean flag = false;
OutputStream os=null;
try {
System.out.println("开始下载文件");
initFtpClient();
//切换FTP目录
ftpClient.changeWorkingDirectory(pathname);
FTPFile[] ftpFiles = ftpClient.listFiles();
for(FTPFile file : ftpFiles){
if(filename.equalsIgnoreCase(file.getName())){
File localFile = new File(localpath + "/" + file.getName());
os = new FileOutputStream(localFile);
ftpClient.retrieveFile(file.getName(), os);
os.close();
}
}
flag = true;
System.out.println("下载文件成功");
} catch (Exception e) {
System.out.println("下载文件失败");
e.printStackTrace();
} finally{
if(ftpClient.isConnected()){
try{
ftpClient.disconnect();
}catch(IOException e){
e.printStackTrace();
}
}
if(null != os){
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return flag;
}
/** * 删除文件 *
* @param pathname FTP服务器保存目录 *
* @param filename 要删除的文件名称 *
* @return */
public boolean deleteFile(String pathname, String filename){
boolean flag = false;
try {
System.out.println("开始删除文件");
initFtpClient();
//切换FTP目录
ftpClient.changeWorkingDirectory(pathname);
ftpClient.dele(filename);
ftpClient.logout();
flag = true;
System.out.println("删除文件成功");
} catch (Exception e) {
System.out.println("删除文件失败");
e.printStackTrace();
} finally {
if(ftpClient.isConnected()){
try{
ftpClient.disconnect();
}catch(IOException e){
e.printStackTrace();
}
}
}
return flag;
}
public static void main(String[] args) {
// FTPUtils ftp =new FTPUtils();
// ftp.uploadFile("nasapp/temp/", "123.txt", "C://Users//admin//Desktop//test.txt");
//ftp.downloadFile("ftpFile/data", "123.docx", "F://");
// ftp.deleteFile("ftpFile/data", "123.docx");
System.out.println("ok");
}
}
SFTPUtils:
import java.io.ByteArrayInputStream;
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.UnsupportedEncodingException;
import java.util.Properties;
import java.util.Vector;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;
import com.xxxxxxxxxxxxxx.GlobalConstants;
/**
* 类说明 sftp工具类
*/
public class SFTPUtils {
private transient Logger log = LoggerFactory.getLogger(this.getClass());
private ChannelSftp sftp;
private Session session;
/** SFTP 登录用户名*/
private String username;
/** SFTP 登录密码*/
private String password;
/** 私钥 */
private String privateKey;
/** SFTP 服务器地址IP地址*/
private String host;
/** SFTP 端口*/
private int port;
/**
* 构造基于密码认证的sftp对象
*/
public SFTPUtils() {
this.username = GlobalConstants.FTP_USER_NAME;
this.password = GlobalConstants.FTP_USER_PWD;
this.host = GlobalConstants.FTP_URL;
this.port = Integer.parseInt(GlobalConstants.FTP_PORT);
}
/**
* 构造基于秘钥认证的sftp对象
*/
public SFTPUtils(String username, String host, int port, String privateKey) {
this.username = username;
this.host = host;
this.port = port;
this.privateKey = privateKey;
}
/**
* 连接sftp服务器
*/
public void login(){
try {
JSch jsch = new JSch();
if (privateKey != null) {
jsch.addIdentity(privateKey);// 设置私钥
}
session = jsch.getSession(username, host, port);
if (password != null) {
session.setPassword(password);
}
Properties config = new Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
session.connect();
Channel channel = session.openChannel("sftp");
channel.connect();
sftp = (ChannelSftp) channel;
} catch (JSchException e) {
e.printStackTrace();
}
}
/**
* 关闭连接 server
*/
public void logout(){
if (sftp != null) {
if (sftp.isConnected()) {
sftp.disconnect();
}
}
if (session != null) {
if (session.isConnected()) {
session.disconnect();
}
}
}
/**
* 将输入流的数据上传到sftp作为文件。文件完整路径=basePath+directory
* @param basePath 服务器的基础路径
* @param directory 上传到该目录
* @param sftpFileName sftp端文件名
* @param in 输入流
*/
public void upload(String basePath,String directory, String sftpFileName, InputStream input) throws SftpException{
try {
sftp.cd(basePath);
sftp.cd(directory);
} catch (SftpException e) {
//目录不存在,则创建文件夹
String [] dirs=directory.split("/");
String tempPath=basePath;
for(String dir:dirs){
if(null== dir || "".equals(dir)) continue;
tempPath+="/"+dir;
try{
sftp.cd(tempPath);
}catch(SftpException ex){
sftp.mkdir(tempPath);
sftp.cd(tempPath);
}
}
}
sftp.put(input, sftpFileName); //上传文件
System.out.println("上传"+sftpFileName+"成功()");
}
/**
* 将文件夹上传到sftp。ftp文件完整路径=basePath+directory
* @param basePath 服务器的基础路径
* @param directory 上传到该目录
* @param localDirectory 本地完整文件夹路径
*/
public void uploadFiles(String basePath,String directory,String localDirectory) throws SftpException{
try {
sftp.cd(basePath);
sftp.cd(directory);
} catch (SftpException e) {
//目录不存在,则创建文件夹
String [] dirs=directory.split("/");
String tempPath=basePath;
for(String dir:dirs){
if(null== dir || "".equals(dir)) continue;
tempPath+="/"+dir;
try{
sftp.cd(tempPath);
}catch(SftpException ex){
sftp.mkdir(tempPath);
sftp.cd(tempPath);
}
}
}
File file = new File(localDirectory);
if (file.isDirectory()) {
File[] list = file.listFiles();
for (int i = 0; i < list.length; i++) {
try {
FileInputStream in = new FileInputStream(list[i]);
sftp.put(in, list[i].getName());
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
System.out.println("上传文件夹成功");
}
// 读入文件流
// sftp.put(localDirectory,basePath+directory);
}
/**
* 下载文件。
* @param directory 下载目录
* @param downloadFile 下载的文件
* @param saveFile 存在本地的路径
*/
public void download(String directory, String downloadFile, String saveFile) throws SftpException, FileNotFoundException{
if (directory != null && !"".equals(directory)) {
sftp.cd(directory);
}
File file = new File(saveFile);
sftp.get(downloadFile, new FileOutputStream(file));
}
/**
* 下载文件
* @param directory 下载目录
* @param downloadFile 下载的文件名
* @return 字节数组
*/
public byte[] download(String directory, String downloadFile) throws SftpException, IOException{
if (directory != null && !"".equals(directory)) {
sftp.cd(directory);
}
InputStream is = sftp.get(downloadFile);
byte[] fileData = IOUtils.toByteArray(is);
return fileData;
}
/**
* 删除文件
* @param directory 要删除文件所在目录
* @param deleteFile 要删除的文件
*/
public void delete(String directory, String deleteFile) throws SftpException{
sftp.cd(directory);
sftp.rm(deleteFile);
}
/**
* 列出目录下的文件
* @param directory 要列出的目录
* @param sftp
*/
public Vector<?> listFiles(String directory) throws SftpException {
return sftp.ls(directory);
}
//上传文件测试
public static void main(String[] args) throws SftpException, IOException {
// SFTPUtils sftp = new SFTPUtils("weblogic", "xxxx", "xxxx", 22);
// sftp.login();
// File file = new File("C://Users//admin//Desktop//test.txt");
// InputStream is = new FileInputStream(file);
// sftp.upload("/nasapp","/temp", "123.txt", is);
// sftp.logout();
// sftp.login();
// try {
// sftp.uploadFiles("/nasapp","/temp", "E://test");
// } catch (SftpException e) {
// e.printStackTrace();
// }
// sftp.logout();
}
}
2.调用示例
FTPUtils ftp = new FTPUtils();
ftp.initFtpClient();
ftp.uploadFiles(targetUrl, middlePath, local);
ftp.loginOut();
SFTPUtils sftp = new SFTPUtils();
sftp.login();
sftp.uploadFiles(targetUrl, middlePath, local);
sftp.logout();