springboot中使用SFTP文件上传

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1. 最近在工作功能使用了sftp做文件上传下载的功能，在这里简单的记录一下，
2. pom文件中引入相关的jar包

        <!-- https://mvnrepository.com/artifact/com.jcraft/jsch -->
        <dependency>
            <groupId>com.jcraft</groupId>
            <artifactId>jsch</artifactId>
            <version>0.1.54</version>
        </dependency>

3. 建立springboot项目，在application.properties添加如下配置

sftp.ip=127.0.0.1
sftp.port=22
sftp.username=xuyy
sftp.password=paswpord
#ftp根目录
sftp.rootpath="D:SFTP/

4. 上面一sftp开头的都是自定义配置，需要写个配置类读取一下，自动注入到springboot中

package com.uinnova.ftpsynweb.config;

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * 特点： 读取配置文件。可以对静态变量直接赋值
 *
 * @author xuyangyang
 */
@Component
@ConfigurationProperties(prefix = "sftp")
@Data
public class SftpConfig {


    public static String ip;
    public static Integer port;
    public static String username;
    public static String password;
    public static String rootpath;

	//注意这里是 static 修饰，便于sftputil直接取值
    public static String getIp() {
        return ip;
    }

    public void setIp(String ip) {
        SftpConfig.ip = ip;
    }

    public static Integer getPort() {
        return port;
    }

    public void setPort(Integer port) {
        SftpConfig.port = port;
    }

    public static String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        SftpConfig.username = username;
    }

    public static String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        SftpConfig.password = password;
    }

    public static String getRootpath() {
        return rootpath;
    }

    public void setRootpath(String rootpath) {
        SftpConfig.rootpath = rootpath;
    }

}

5. 下面是具体的工具类，代码写的比较简单，可以自己下载优化一下，等我有时间在优化，

package com.uinnova.ftpsynweb.util;
import com.jcraft.jsch.*;
import com.uinnova.ftpsynweb.config.SftpConfig;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.thymeleaf.util.StringUtils;
import javax.transaction.SystemException;
import java.io.*;
import java.util.*;
/**
* SFTP工具类
*/
@Slf4j
@Component
public class SftpUtil {
@Autowired
SftpConfig sftpConfig;
private static String sftp_ip = SftpConfig.getIp();
private static Integer sftp_port = SftpConfig.getPort();
private static String sftp_username = SftpConfig.getUsername();
private static String sftp_password = SftpConfig.getPassword();
/**
* sftp存储根目录
*/
public static String windows_path = "D:SFTP/";
public static String linux_path = "/home/xuyy/";
private Session session;
private ChannelSftp channel;
/**
* 规避多线程并发不断开问题
*/
private volatile static ThreadLocal<SftpUtil> sftpLocal = new ThreadLocal<>();
private SftpUtil() {
}
private SftpUtil(String host, Integer port, String username, String password) {
super();
init(host, port, username, password);
}
/**
* 获取本地线程存储的sftp客户端，使用玩必须调用 release()释放连接
*
* @return
* @throws Exception
*/
public static SftpUtil getSftpUtil() {
SftpUtil sftpUtil = sftpLocal.get();
if (null == sftpUtil || !sftpUtil.isConnected()) {
sftpLocal.set(new SftpUtil(sftp_ip, sftp_port, sftp_username, sftp_password));
}
return sftpLocal.get();
}
/**
* 获取本地线程存储的sftp客户端，使用玩必须调用 release()释放连接
*
* @param host
* @param port
* @param username
* @param password
* @return
*/
public static SftpUtil getSftpUtil(String host, Integer port, String username, String password) {
SftpUtil sftpUtil = sftpLocal.get();
if (null == sftpUtil || !sftpUtil.isConnected()) {
log.info("建立连接");
sftpLocal.set(new SftpUtil(host, port, username, password));
} else {
log.info("连接已经存在");
}
return sftpLocal.get();
}
/**
* 初始化 创建一个新的 SFTP 通道
*
* @param host
* @param port
* @param username
* @param password
*/
private void init(String host, Integer port, String username, String password) {
try {
//场景JSch对象
JSch jSch = new JSch();
// jsch.addIdentity(); 私钥
session = jSch.getSession(username, host, port);
// 第一次登陆时候提示, (ask|yes|no)
Properties config = new Properties();
config.put("StrictHostKeyChecking", "no");
config.put("compression.s2c", "zlib,none");
config.put("compression.c2s", "zlib,none");
session.setConfig(config);
//设置超时
//            session.setTimeout(10*1000);
//设置密码
session.setPassword(password);
session.connect();
//打开SFTP通道
channel = (ChannelSftp) session.openChannel("sftp");
//建立SFTP通道的连接
channel.connect();
// 失败重试2次  失败不管了，只发送一次 失败回复  并行调用所有节点
} catch (JSchException e) {
log.error("init话sftp异常，可能是获得连接错误，请检查用户名密码或者重启sftp服务" + e);
}
}
/**
* 是否已连接
*
* @return
*/
private boolean isConnected() {
return null != channel && channel.isConnected();
}
/**
* 关闭通道
*/
public void closeChannel() {
if (null != channel) {
try {
channel.disconnect();
} catch (Exception e) {
log.error("关闭SFTP通道发生异常:", e);
}
}
if (null != session) {
try {
session.disconnect();
} catch (Exception e) {
log.error("SFTP关闭 session异常:", e);
}
}
}
/**
* 每次连接必须释放资源，类似OSS服务
* 释放本地线程存储的sftp客户端
*/
public static void release() {
if (null != sftpLocal.get()) {
sftpLocal.get().closeChannel();
sftpLocal.set(null);
}
}
/**
* 列出目录下文件，只列出文件名字，没有类型
*
* @param dir 目录
* @return
*/
public List list(String dir) {
if (channel == null) {
log.error("获取sftp连接失败，请检查" + sftp_ip + +sftp_port + "@" + sftp_username + "  " + sftp_password + "是否可以访问");
return null;
}
Vector<ChannelSftp.LsEntry> files = null;
try {
files = channel.ls(dir);
} catch (SftpException e) {
log.error(e.getMessage());
}
if (null != files) {
List fileNames = new ArrayList<String>();
Iterator<ChannelSftp.LsEntry> iter = files.iterator();
while (iter.hasNext()) {
String fileName = iter.next().getFilename();
if (StringUtils.equals(".", fileName) || StringUtils.equals("..", fileName)) {
continue;
}
fileNames.add(fileName);
}
return fileNames;
}
return null;
}
/**
* 列出文件详情
*
* @param dir
* @return
*/
public List listDetail(String dir) {
if (channel == null) {
log.error("获取sftp连接失败，请检查" + sftp_ip + +sftp_port + "@" + sftp_username + "  " + sftp_password + "是否可以访问");
return null;
}
Vector<ChannelSftp.LsEntry> files = null;
try {
files = channel.ls(dir);
} catch (SftpException e) {
log.error("listDetail 获取目录列表 channel.ls " + dir + "失败 " + e);
}
if (null != files) {
List<Map<String, String>> fileList = new ArrayList<>();
Iterator<ChannelSftp.LsEntry> iter = files.iterator();
while (iter.hasNext()) {
ChannelSftp.LsEntry next = iter.next();
Map<String, String> map = new HashMap<>();
String fileName = next.getFilename();
if (StringUtils.equals(".", fileName) || StringUtils.equals("..", fileName)) {
continue;
}
String size = String.valueOf(next.getAttrs().getSize());
long mtime = next.getAttrs().getMTime();
String type = "";
String longname = String.valueOf(next.getLongname());
if (longname.startsWith("-")) {
type = "file";
} else if (longname.startsWith("d")) {
type = "dir";
}
map.put("name", fileName);
map.put("size", size);
map.put("type", type);
map.put("mtime", DateTimeUtil.timestampToDate(mtime));
fileList.add(map);
}
return fileList;
}
return null;
}
/**
* 递归获得文件path下所有文件列表
*
* @param path
* @param list
* @return
* @throws SftpException
*/
public List<String> listOfRecursion(String path, List<String> list) throws SftpException {
if (channel == null) {
log.error("获取sftp连接失败，请检查" + sftp_ip + +sftp_port + "@" + sftp_username + "" + sftp_password + "是否可以访问");
return null;
}
Vector<ChannelSftp.LsEntry> files = null;
files = channel.ls(path);
for (ChannelSftp.LsEntry entry : files) {
if (!entry.getAttrs().isDir()) {
String str = path + "/" + entry.getFilename();
str = str.replace("//", "/");
list.add(str);
} else {
if (!entry.getFilename().equals(".") && !entry.getFilename().equals("..")) {
listOfRecursion(path + "/" + entry.getFilename(), list);
}
}
}
log.debug(list.toString());
return list;
}
/**
* @param file       上传文件
* @param remotePath 服务器存放路径，支持多级目录
* @throws SystemException
*/
public void upload(File file, String remotePath) throws SystemException {
if (channel == null) {
log.error("获取sftp连接失败，请检查" + sftp_ip + +sftp_port + "@" + sftp_username + "" + sftp_password + "是否可以访问");
}
FileInputStream fileInputStream = null;
try {
if (file.isFile()) {
String rpath = remotePath;//服务器要创建的目录
try {
createDir(rpath);
} catch (Exception e) {
throw new SystemException("创建路径失败：" + rpath);
}
channel.cd(remotePath);
System.out.println(remotePath);
fileInputStream = new FileInputStream(file);
channel.put(fileInputStream, file.getName());
}
} catch (FileNotFoundException e) {
throw new SystemException("上传文件没有找到");
} catch (SftpException e) {
throw new SystemException("上传ftp服务器错误");
} finally {
try {
if (fileInputStream != null) {
fileInputStream.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* @param file       上传文件
* @param remoteName 上传文件名字
* @param remotePath 服务器存放路径，支持多级目录
* @throws SystemException
*/
public boolean upload(File file, String remoteName, String remotePath) {
if (channel == null) {
System.out.println("get sftp connect fail，please reboot sftp client");
log.error("获取sftp连接失败，请检查" + sftp_ip + +sftp_port + "@" + sftp_username + "" + sftp_password + "是否可以访问");
} else {
FileInputStream fileInputStream = null;
try {
if (file.isFile()) {
//服务器要创建的目录
String rpath = remotePath;
createDir(rpath);
channel.cd(remotePath);
log.error(remotePath + "  " + remoteName);
fileInputStream = new FileInputStream(file);
channel.put(fileInputStream, remoteName);
return true;
}
} catch (FileNotFoundException e) {
log.error("上传文件没有找到", e.getMessage());
return false;
} catch (SftpException e) {
log.error("upload" + remotePath + e);
return false;
} finally {
try {
if (fileInputStream != null) {
fileInputStream.close();//这里要关闭文件流
} else {
log.error("流不存在" + remotePath + "  " + remoteName);
}
} catch (IOException e) {
e.printStackTrace();
}
// try to delete the file immediately
//                boolean deleted = false;
//                try {
//                    deleted = file.delete();
//                } catch (SecurityException e) {
//                    log.error(e.getMessage());
//                }
//                // else delete the file when the program ends
//                if (deleted) {
//                    System.out.println("Temp file deleted.");
//                    log.info("Temp file deleted.");
//                } else {
//                    file.deleteOnExit();
//                    System.out.println("Temp file scheduled for deletion.");
//                    log.info("Temp file scheduled for deletion.");
//                }
}
}
return false;
}
public boolean upload(InputStream inputStream, String remoteName, String remotePath) {
if (channel == null) {
log.error("获取sftp连接失败，请检查" + sftp_ip + +sftp_port + "@" + sftp_username + "" + sftp_password + "是否可以访问");
} else {
try {
//服务器要创建的目录
String rpath = remotePath;
createDir(rpath);
channel.cd(remotePath);
log.debug(remotePath + "  " + remoteName);
channel.put(inputStream, remoteName);
return true;
} catch (SftpException e) {
log.error("upload路径不存在" + remotePath + e);
return false;
} finally {
try {
if (inputStream != null) {
inputStream.close();//这里要关闭文件流
} else {
log.error("流不存在" + remotePath + "  " + remoteName);
}
} catch (IOException e) {
log.error(e.getMessage());
}
// try to delete the file immediately
//                boolean deleted = false;
//                try {
//                    deleted = file.delete();
//                } catch (SecurityException e) {
//                    log.error(e.getMessage());
//                }
//                // else delete the file when the program ends
//                if (deleted) {
//                    System.out.println("Temp file deleted.");
//                    log.info("Temp file deleted.");
//                } else {
//                    file.deleteOnExit();
//                    System.out.println("Temp file scheduled for deletion.");
//                    log.info("Temp file scheduled for deletion.");
//                }
}
}
return false;
}
/**
* 下载文件
*
* @param rootDir
* @param filePath
* @return
*/
public File downFile(String rootDir, String filePath) {
if (channel == null) {
log.error("获取sftp连接失败，请检查" + sftp_ip + +sftp_port + "@" + sftp_username + "  " + sftp_password + "是否可以访问");
return null;
}
OutputStream outputStream = null;
File file = null;
try {
channel.cd(rootDir);
String folder = System.getProperty("java.io.tmpdir");
file = new File(folder + File.separator + filePath.substring(filePath.lastIndexOf("/") + 1));
//            file = new File(filePath.substring(filePath.lastIndexOf("/") + 1));
outputStream = new FileOutputStream(file);
channel.get(filePath, outputStream);
} catch (SftpException e) {
log.error("downFile" + filePath + e);
file = null;
} catch (FileNotFoundException e) {
log.error("FileNotFoundException", e);
file = null;
} finally {
if (outputStream != null) {
try {
outputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return file;
}
/**
* 创建一个文件目录
*/
public void createDir(String createpath) {
try {
if (isDirExist(createpath)) {
this.channel.cd(createpath);
return;
}
String pathArry[] = createpath.split("/");
StringBuffer filePath = new StringBuffer("/");
for (String path : pathArry) {
if (path.equals("")) {
continue;
}
filePath.append(path + "/");
if (isDirExist(filePath.toString())) {
channel.cd(filePath.toString());
} else {
// 建立目录
channel.mkdir(filePath.toString());
// 进入并设置为当前目录
channel.cd(filePath.toString());
}
}
this.channel.cd(createpath);
} catch (SftpException e) {
log.error("createDir" + createpath + e);
}
}
/**
* 判断目录是否存在
*/
public boolean isDirExist(String directory) {
boolean isDirExistFlag = false;
try {
SftpATTRS sftpATTRS = channel.lstat(directory);
isDirExistFlag = true;
return sftpATTRS.isDir();
} catch (Exception e) {
if (e.getMessage().toLowerCase().equals("no such file")) {
isDirExistFlag = false;
}
}
return isDirExistFlag;
}
static String PS = "/";
/**
* This method is called recursively to download the folder content from SFTP server
*
* @param sourcePath
* @param destinationPath
* @throws SftpException
*/
public void recursiveFolderDownload(String sourcePath, String destinationPath) throws SftpException {
Vector<ChannelSftp.LsEntry> fileAndFolderList = channel.ls(sourcePath); // Let list of folder content
//Iterate through list of folder content
for (ChannelSftp.LsEntry item : fileAndFolderList) {
if (!item.getAttrs().isDir()) { // Check if it is a file (not a directory).
if (!(new File(destinationPath + PS + item.getFilename())).exists()
|| (item.getAttrs().getMTime() > Long
.valueOf(new File(destinationPath + PS + item.getFilename()).lastModified()
/ (long) 1000)
.intValue())) { // Download only if changed later.
new File(destinationPath + PS + item.getFilename());
channel.get(sourcePath + PS + item.getFilename(),
destinationPath + PS + item.getFilename()); // Download file from source (source filename, destination filename).
}
} else if (!(".".equals(item.getFilename()) || "..".equals(item.getFilename()))) {
new File(destinationPath + PS + item.getFilename()).mkdirs(); // Empty folder copy.
recursiveFolderDownload(sourcePath + PS + item.getFilename(),
destinationPath + PS + item.getFilename()); // Enter found folder on server to read its contents and create locally.
}
}
}
/**
* 文件夹不存在，创建
*
* @param folder 待创建的文件节夹
*/
public void createFolder(String folder) {
SftpATTRS stat = null;
try {
stat = channel.stat(folder);
} catch (SftpException e) {
log.error("复制目的地文件夹" + folder + "不存在，创建");
}
if (stat == null) {
try {
channel.mkdir(folder);
} catch (SftpException e) {
log.error("创建失败", e.getCause());
}
}
}
public InputStream get(String filePath) {
InputStream inputStream = null;
try {
inputStream = channel.get(filePath);
} catch (SftpException e) {
log.error("get" + e);
}
return inputStream;
}
public void put(InputStream inputStream, String filePath) {
try {
channel.put(inputStream, filePath);
} catch (SftpException e) {
log.error("put" + e);
}
}
public Vector<ChannelSftp.LsEntry> ls(String filePath) {
Vector ls = null;
try {
ls = channel.ls(filePath);
} catch (SftpException e) {
log.error("ls" + e);
}
return ls;
}
/**
* 复制文件夹
*
* @param src  源文件夹
* @param desc 目的文件夹
*/
public void copy(String src, String desc) {
//        检查目的文件存在与否，不存在则创建
this.createDir(desc);
//        查看源文件列表
Vector<ChannelSftp.LsEntry> fileAndFolderList = this.ls(src);
for (ChannelSftp.LsEntry item : fileAndFolderList) {
if (!item.getAttrs().isDir()) {//是一个文件
try (InputStream tInputStream = this.get(src + PS + item.getFilename());
ByteArrayOutputStream baos = new ByteArrayOutputStream()
) {
byte[] buffer = new byte[1024];
int len;
while ((len = tInputStream.read(buffer)) > -1) {
baos.write(buffer, 0, len);
}
baos.flush();
InputStream nInputStream = new ByteArrayInputStream(baos.toByteArray());
this.put(nInputStream, desc + PS + item.getFilename());
} catch (IOException e) {
log.error(e.getMessage());
}
// 排除. 和 ..
} else if (!(".".equals(item.getFilename()) || "..".equals(item.getFilename()))) {
//                创建文件，可能不需要
this.createFolder(desc + PS + item.getFilename());
//递归复制文件
copy(src + PS + item.getFilename(), desc + PS + item.getFilename());
}
}
}
/**
* 删除指定目录文件
*
* @param filePath 删除文件路径
* @return
*/
public Boolean del(String filePath) {
boolean flag = false;
try {
channel.rm(filePath);
flag = true;
} catch (SftpException e) {
flag = false;
log.error("删除文件错误报告： " + e);
}
return flag;
}
}

6. 下面是具体的几个接口，这里也贴出来了，方便大家使用

@Slf4j
@RestController
public class FileController {
/**
* @param file       上传文件
* @param targetPath 保存文件路径
* @param fileName   上传文件名字
* @return
* @throws IOException
*/
@RequestMapping(value = "/file/upload")
@ResponseBody
public Return upload(@RequestParam("file") MultipartFile file, String targetPath, String fileName) throws IOException {
log.debug("上传文件原始名字：" + file.getOriginalFilename() + "上传路径：" + targetPath + "上传文件名： " + fileName);
InputStream uploadFile = file.getInputStream();
SftpUtil sftpUtil = SftpUtil.getSftpUtil();
boolean upload = false;
if (SftpConfig.WIN.equals(SftpConfig.getEnv())) {
upload = sftpUtil.upload(uploadFile, fileName, targetPath);
} else {
upload = sftpUtil.upload(uploadFile, fileName, SftpConfig.getRootpath() + targetPath);
}
SftpUtil.release();
return Return.Ok(upload);
}
/**
* 需要下载的文件具体路径
*
* @param targetPath
* @param response
* @return
* @throws UnsupportedEncodingException
*/
@RequestMapping(value = "/file/download")
@ResponseBody
public void download(String targetPath, HttpServletResponse response) throws UnsupportedEncodingException {
log.debug("下载文件名字" + targetPath);
//        targetPath = new String(targetPath.getBytes("ISO8859-1"), "UTF-8");
if (StringUtils.isEmpty(targetPath) || !targetPath.contains("/")) {
log.error("下载路径不正确" + targetPath);
//            return Return.Fail("下载路径不正确");
}
String fileName = targetPath.substring(targetPath.lastIndexOf("/") + 1);
log.debug(fileName);
File file = null;
SftpUtil sftpUtil = SftpUtil.getSftpUtil();
if (SftpConfig.WIN.equals(SftpConfig.getEnv())) {
file = sftpUtil.downFile("/", targetPath);
} else {
file = sftpUtil.downFile("/", SftpConfig.getRootpath() + targetPath);
}
SftpUtil.release();
if (!Objects.isNull(file)) {
// 配置文件下载
response.setHeader("content-type", "application/octet-stream");
response.setContentType("application/octet-stream");
// 下载文件能正常显示中文
//            response.setHeader("Content-Disposition", "attachment;filename=" + new String(fileName.getBytes("gb2312"), "ISO8859-1"));
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
byte[] buffer = new byte[1024];
FileInputStream fis = null;
BufferedInputStream bis = null;
try {
fis = new FileInputStream(file);
bis = new BufferedInputStream(fis);
OutputStream os = response.getOutputStream();
int i = bis.read(buffer);
while (i != -1) {
os.write(buffer, 0, i);
i = bis.read(buffer);
}
//                return Return.Ok("下载成功");
} catch (Exception e) {
log.error("down fail" + e);
//                return Return.Fail("下載失敗");
} finally {
if (bis != null) {
try {
bis.close();
} catch (IOException e) {
log.error("down fail" + e);
}
}
if (fis != null) {
try {
fis.close();
} catch (IOException e) {
log.error("down fail" + e);
}
}
}
}
//        return Return.Fail("下載失敗");
}
/**
* 获取sftp下文件消息列表
*
* @param filePath 文件路径
* @return
*/
@RequestMapping(value = "/file/list")
@ResponseBody
public Return list(@RequestParam("filePath") String filePath) {
log.debug("获取路径下列表 ：{}", filePath);
SftpUtil sftpUtil = SftpUtil.getSftpUtil();
List<String> list = new ArrayList();
if (SftpConfig.WIN.equals(SftpConfig.getEnv())) {
list = sftpUtil.listDetail(filePath);
} else {
list = sftpUtil.listDetail(SftpConfig.getRootpath() + filePath);
}
SftpUtil.release();
return Return.Ok(list);
}
/**
* 递归获得文件path下所有文件列表
*
* @param filePath 文件路径
* @return
*/
@RequestMapping(value = "/file/listOfRecursion")
@ResponseBody
public Return listOfRecursion(@RequestParam("filePath") String filePath) {
log.debug("获取路径下列表 ：{}", filePath);
SftpUtil sftpUtil = SftpUtil.getSftpUtil();
ArrayList<String> strings = new ArrayList<>();
Return ret = null;
List<String> list;
List<String> list1 = new ArrayList<>();
try {
if (SftpConfig.WIN.equals(SftpConfig.getEnv())) {
list = sftpUtil.listOfRecursion(filePath, strings);
ret = Return.Ok(list);
} else {
list = sftpUtil.listOfRecursion(SftpConfig.getRootpath() + filePath, strings);
for (String str : list) {
str = StringUtils.substring(str, SftpConfig.getRootpath().length() - 1);
list1.add(str);
}
ret = Return.Ok(list1);
}
} catch (SftpException e) {
log.error("listOfRecursion 获取目录列表 channel.ls " + filePath + "失败 " + e);
SftpUtil.release();
ret = Return.Fail(e.getMessage());
}finally {
SftpUtil.release();
}
return ret;
}
/**
* sftp内复制文件夹
*
* @param src  源文件夹
* @param desc 目的文件夹
* @return
*/
@RequestMapping(value = "file/copy")
@ResponseBody
public Return copy(String src, String desc) {
SftpUtil sftpUtil = SftpUtil.getSftpUtil();
if (SftpConfig.WIN.equals(SftpConfig.getEnv())) {
sftpUtil.copy(src, desc);
} else {
sftpUtil.copy(SftpConfig.getRootpath() + src, SftpConfig.getRootpath() + desc);
}
SftpUtil.release();
return Return.Ok("复制成功");
}
/**
* 删除文件 文件存在返回true ，文件不存在或删除失败返回 false
*
* @param filePath
* @return
*/
@RequestMapping(value = "file/del")
@ResponseBody
public Return del(String filePath) {
log.debug("删除此文件 ：{}", filePath);
Boolean flag = false;
SftpUtil sftpUtil = SftpUtil.getSftpUtil();
if (SftpConfig.WIN.equals(SftpConfig.getEnv())) {
flag = sftpUtil.del(filePath);
} else {
flag = sftpUtil.del(SftpConfig.getRootpath() + filePath);
}
SftpUtil.release();
return new Return(flag, flag ? "删除成功" : "文件不存在或删除失败");
}
}