pom.xml的依赖，由依赖commons-httpclients的老板3.1其实也没有用到，需要修改。
<dependency>
<groupId>com.jcraft</groupId>
<artifactId>jsch</artifactId>
<version>0.1.54</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-net/commons-net -->
<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>3.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-httpclient/commons-httpclient -->
<dependency>
<groupId>commons-httpclient</groupId>
<artifactId>commons-httpclient</artifactId>
<version>3.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
<!-- <dependency> -->
<!-- <groupId>org.apache.httpcomponents</groupId> -->
<!-- <artifactId>httpclient</artifactId> -->
<!-- <version>4.5.3</version> -->
<!-- </dependency> -->
SFTPUtil.java ---SFTP工具类
package com.imddysc.springboot231app.utils;
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.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;
public class SFTPUtil {
private static final Logger logger = LoggerFactory.getLogger(SFTPUtil.class);
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 SFTPUtil(String username, String password, String host, int port) {
this.username = username;
this.password = password;
this.host = host;
this.port = port;
}
/**
* 构造基于秘钥认证的sftp对象
*/
public SFTPUtil(String username, String host, int port, String privateKey) {
this.username = username;
this.host = host;
this.port = port;
this.privateKey = privateKey;
}
public SFTPUtil() {
}
/**
* 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
}
/**
* 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 {
SFTPUtil sftp = new SFTPUtil("sftpuser01", "123456", "192.168.0.12", 33689);
sftp.login();
File file = new File("D:\\ACE考试.png");
InputStream is = new FileInputStream(file);
sftp.upload("/upload", "2", "test_sftp.png", is);
sftp.logout();
}
}
FTPUtil.java --- FTP工具类
package com.imddysc.springboot231app.utils;
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 org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class FTPUtil {
private static final Logger log = LoggerFactory.getLogger(FTPUtil.class);
/**
* Description: 向FTP服务器上传文件
*
* @param host FTP服务器hostname
* @param port FTP服务器端口
* @param username FTP登录账号
* @param password FTP登录密码
* @param basePath FTP服务器基础目录
* @param filePath FTP服务器文件存放路径。文件的路径为basePath+filePath
* @param filename 上传到FTP服务器上的文件名
* @param input 输入流
* @return 成功返回true，否则返回false
*/
public static boolean uploadFile(String host, int port, String username, String password, String basePath,
String filePath, String filename, InputStream input) {
boolean result = false;
FTPClient ftp = new FTPClient();
try {
int reply;
ftp.connect(host, port);// 连接FTP服务器
// 如果采用默认端口，可以使用ftp.connect(host)的方式直接连接FTP服务器
ftp.login(username, password);// 登录
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return result;
}
// 切换到上传目录
if (!ftp.changeWorkingDirectory(basePath + filePath)) {
// 如果目录不存在创建目录
String[] dirs = filePath.split("/");
String tempPath = basePath;
for (String dir : dirs) {
if (null == dir || "".equals(dir))
continue;
tempPath += "/" + dir;
if (!ftp.changeWorkingDirectory(tempPath)) { // 进不去目录，说明该目录不存在
if (!ftp.makeDirectory(tempPath)) { // 创建目录
// 如果创建文件目录失败，则返回
System.out.println("创建文件目录" + tempPath + "失败");
return result;
} else {
// 目录存在，则直接进入该目录
ftp.changeWorkingDirectory(tempPath);
}
}
}
}
// 设置上传文件的类型为二进制类型
ftp.setFileType(FTP.BINARY_FILE_TYPE);
// 上传文件
if (!ftp.storeFile(filename, input)) {
return result;
}
input.close();
ftp.logout();
result = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
}
}
}
return result;
}
/**
* Description: 从FTP服务器下载文件
*
* @param host FTP服务器hostname
* @param port FTP服务器端口
* @param username FTP登录账号
* @param password FTP登录密码
* @param remotePath FTP服务器上的相对路径
* @param fileName 要下载的文件名
* @param localPath 下载后保存到本地的路径
* @return
*/
public static boolean downloadFile(String host, int port, String username, String password, String remotePath,
String fileName, String localPath) {
boolean result = false;
FTPClient ftp = new FTPClient();
try {
int reply;
ftp.connect(host, port);
// 如果采用默认端口，可以使用ftp.connect(host)的方式直接连接FTP服务器
ftp.login(username, password);// 登录
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return result;
}
ftp.changeWorkingDirectory(remotePath);// 转移到FTP服务器目录
FTPFile[] fs = ftp.listFiles();
for (FTPFile ff : fs) {
if (ff.getName().equals(fileName)) {
File localFile = new File(localPath + "/" + ff.getName());
OutputStream is = new FileOutputStream(localFile);
ftp.retrieveFile(ff.getName(), is);
is.close();
}
}
ftp.logout();
result = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
}
}
}
return result;
}
// ftp上传文件测试main函数
public static void main(String[] args) {
try {
FileInputStream in = new FileInputStream(new File("D:\\Tomcat 5.5\\pictures\\t0176ee418172932841.jpg"));
boolean flag = uploadFile("192.168.111.128", 21, "用户名", "密码", "/www/images", "/2017/11/19", "hello.jpg",
in);
System.out.println(flag);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
}
FTPSUtil.java --- FTPS工具类
package com.imddysc.springboot231app.utils;
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.net.SocketException;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPReply;
import org.apache.commons.net.ftp.FTPSClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class FTPSUtil {
private static final Logger logger = LoggerFactory.getLogger(FTPSUtil.class);
public static final String NO_FILE = "No such file";
private String username;
private String password;
private String host;
private int port;
private FTPSClient ftpClient = new FTPSClient();
private FileOutputStream fos = null;
public FTPSUtil(String username, String password, String host, int port) {
this.username = username;
this.password = password;
this.host = host;
this.port = port;
}
public boolean connect() {
try {
logger.info("开始连接...");
logger.info("[username]" + username + "[host]" + host + "[port]" + port + "[password]" + password);
// 连接
this.ftpClient.connect(host, port);
int reply = this.ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
this.ftpClient.disconnect();
return false;
}
// 登录
logger.info("开始登录！");
this.ftpClient.login(username, password);
this.ftpClient.setBufferSize(1024 * 30);
this.ftpClient.setDataTimeout(600000);
this.ftpClient.setControlKeepAliveReplyTimeout(12000);
this.ftpClient.setControlKeepAliveTimeout(1200);
this.ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
this.ftpClient.execPROT("P");
this.ftpClient.enterLocalPassiveMode(); // 设置被动模式去传输
this.ftpClient.setUseEPSVwithIPv4(true);
this.ftpClient.setControlEncoding("utf8");
logger.info("登录成功！");
return true;
} catch (SocketException e) {
logger.error("连接失败！", e);
return false;
} catch (Exception e) {
logger.error("下载失败！", e);
return false;
}
}
private boolean downFileOrDirNoClose(String ftpFileName, String localDir) {
boolean flag = false;
try {
// 源文件
File file = new File(ftpFileName);
// 目标文件
File temp = new File(localDir);
if (!temp.exists()) {
temp.mkdirs();
}
ftpClient.enterLocalPassiveMode();
// 判断是否是目录
if (isDir(ftpFileName)) {
String[] names = ftpClient.listNames();
for (int i = 0; i < names.length; i++) {
logger.info(names[i] + "^^^^^^^^^^^^^^");
if (isDir(names[i])) {
downFileOrDirNoClose(ftpFileName + '/' + names[i], localDir + File.separator + names[i]);
ftpClient.changeToParentDirectory();
} else {
File localfile = new File(localDir + File.separator + names[i]);
if (!localfile.exists()) {
fos = new FileOutputStream(localfile);
ftpClient.retrieveFile(names[i], fos);
} else {
// 文件已存在，先进行删除
logger.debug("开始删除已存在文件");
file.delete();
logger.debug("已存在文件已经删除");
fos = new FileOutputStream(localfile);
ftpClient.retrieveFile(ftpFileName, fos);
}
}
}
} else {
File localfile = new File(localDir + File.separator + file.getName());
if (!localfile.exists()) {
fos = new FileOutputStream(localfile);
if (ftpClient.retrieveFile(ftpFileName, fos)) {
logger.info("下载成功");
return true;
} else {
logger.info("下载失败");
return false;
}
} else {
// 文件已存在，先进行删除
logger.debug("开始删除已存在文件");
file.delete();
logger.debug("已存在文件已经删除");
fos = new FileOutputStream(localfile);
if (ftpClient.retrieveFile(ftpFileName, fos)) {
logger.info("下载成功");
return true;
} else {
logger.info("下载失败");
return false;
}
}
}
flag = true;
} catch (SocketException e) {
logger.error("连接失败！", e);
} catch (Exception e) {
logger.error("下载失败！", e);
}
return flag;
}
/**
* * 手动关闭连接
*/
public void closeFtpClient() {
try {
ftpClient.logout();
} catch (IOException e) {
logger.error("ftpClient.logout()执行失败", e);
}
close(fos);
}
/**
* * 关闭连接及输出流 * * @param fos
*/
private void close(FileOutputStream fos) {
try {
if (fos != null) {
fos.close();
}
logger.info("退出登录");
if (this.ftpClient != null) {
try {
ftpClient.disconnect();
ftpClient = null;
} catch (IOException ioe) {
logger.error("ftpClient.disconnect()执行失败", ioe);
}
}
logger.info("关闭连接");
} catch (IOException e) {
logger.error("关闭连接失败", e);
}
}
public boolean downloadFile(String ftpFileName, String localDir) {
boolean loginFlag = connect();
boolean flag = false;
if (loginFlag) {
flag = downFileOrDirNoClose(ftpFileName, localDir);
}
return flag;
}
/**
* * 判断是否是目录 * * @param fileName * @return
*/
public boolean isDir(String fileName) {
boolean flag = false;
try {
// 切换目录，若当前是目录则返回true,否则返回false。
flag = ftpClient.changeWorkingDirectory(fileName);
} catch (Exception e) {
logger.error("判断目录失败", e);
}
return flag;
}
/**
* * * @param strRemotePath 上传目录 * @param strLocalPath 上传文件在达飞的地址 * @param
* remoteFileName 上传后的命名 * @return
*/
public boolean uploadFile(String strRemotePath, String strLocalPath, String remoteFileName) {
if (!this.ftpClient.isConnected()) {
connect();
}
boolean flag = false;
if (this.ftpClient.isConnected()) {
File file = new File(strLocalPath);
InputStream input = null;
try {
input = new FileInputStream(file);
if (!ftpClient.changeWorkingDirectory(strRemotePath)) {
// 如果目录不存在创建目录
String[] dirs = strRemotePath.split("/");
String tempPath = "";
for (String dir : dirs) {
if (null == dir || "".equals(dir))
continue;
tempPath += "/" + dir;
if (!ftpClient.changeWorkingDirectory(tempPath)) {
if (!ftpClient.makeDirectory(tempPath)) {
logger.error("创建远程目录失败");
} else {
ftpClient.changeWorkingDirectory(tempPath);
}
}
}
}
flag = this.ftpClient.storeFile(remoteFileName, input);
} catch (Exception e) {
logger.info("文件上传失败");
} finally {
if (input != null) {
try {
input.close();
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
return flag;
}
/**
* * 下载 * * @param strUrlPath * @param strLocalPath * @param strFolderPath
* * @return
*/
public boolean downloadFile(String strUrlPath, String strLocalPath, String strFolderPath) {
boolean result = true;
GetMethod httpGet = new GetMethod(strUrlPath);
if (!strFolderPath.equals("")) {
File Folder = new File(strFolderPath);
if (!Folder.exists()) {
System.out.println(Folder.mkdirs());
}
}
InputStream in = null;
FileOutputStream out = null;
try {
HttpClient httpClient = new HttpClient();
httpClient.executeMethod(httpGet);
in = httpGet.getResponseBodyAsStream();
out = new FileOutputStream(new File(strLocalPath));
byte[] b = new byte[1024];
int len = 0;
while ((len = in.read(b)) != -1) {
out.write(b, 0, len);
}
in.close();
out.close();
} catch (Exception e) {
logger.error("httpClient下载文件失败", e);
result = false;
} finally {
httpGet.releaseConnection();
try {
if (in != null) {
in.close();
}
if (out != null) {
out.close();
}
} catch (Exception e1) {
logger.error("文件流信息关闭失败", e1);
result = false;
}
}
logger.info("####下载文件成功:" + strUrlPath);
return result;
}
public static void main(String[] args) throws FileNotFoundException {
String adder = "";
int port = 22;
String userName = "";
String passWord = "";
FTPSUtil ftp = new FTPSUtil(userName, passWord, adder, port);
ftp.uploadFile("upload/2019/04/29", "E:\\f981dbde6f944b3f974a20eed1b3b69b.zip", "test.zip");
}
}
后记备注:
private FTPSClient ftpConnection(String host, int port, String userName, String passWord) {
FTPSClient ftpClient = null;
try {
ftpClient = new FTPSClient("TLS", true);
ftpClient.connect(host, port);
ftpClient.login(userName, passWord);
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
ftpClient.setDataTimeout(18000);
ftpClient.execPROT("P");
ftpClient.enterLocalPassiveMode();
LOGGER.info("FTPSERVICE.ftpConnection ftpconnection success");
} catch (Exception e) {
LOGGER.error("FTPSERVICE.ftpConnection ftpconnection EXception:", e);
}
return ftpClient;
}
来源：oschina
链接：https://my.oschina.net/lenglingx/blog/4338087