smb上传图片工具类

package com.zfq.springcloud.controller;

import jcifs.smb.NtlmPasswordAuthentication;
import jcifs.smb.SmbFile;
import jcifs.smb.SmbFileInputStream;
import jcifs.smb.SmbFileOutputStream;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

/**
 * @descriptions: 上传共享文件夹
 * @author: FUQIANG.ZHOU
 * @date: 2021/2/3 23:09
 * @version: 1.0
 */
public class SmbUtil {


    /** 文件上传
     * String localFilePath：要上传的本地文件路径
     * String path：远程服务器共享文件夹名称
     * String username:远程服务器用户名
     * String password：远程服务器密码
     * */
    public static void upload(MultipartFile localFile, String path, String username, String password) {
        OutputStream out = null;
        try (InputStream in = localFile.getInputStream()) {

            NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication(null, username, password);
            String remoteUrl = "smb:" + path + (path.endsWith(File.separator) ? "" : File.separator);
            SmbFile remoteFile = new SmbFile(remoteUrl + File.separator + localFile.getName(), auth);
            remoteFile.connect();
            out = new BufferedOutputStream(new SmbFileOutputStream(remoteFile));
            byte[] buffer = new byte[4096];
            int len = 0;
            while ((len = in.read(buffer, 0, buffer.length)) != -1) {
                out.write(buffer, 0, len);
            }
            out.flush();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
            } catch (Exception e) {
            }
        }
    }

    private void responseFileStream(HttpServletResponse response, String filePath){
        ServletOutputStream out = null;
        FileInputStream in = null;
        try {

            in = new FileInputStream(new File(filePath));
            String[] dir = filePath.split("/");
            String fileName = dir[dir.length-1];
            String[] array = fileName.split("[.]");
            String fileType = array[array.length-1].toLowerCase();
            //设置文件ContentType类型//图片类型
            if("jpg,jepg,gif,png".contains(fileType)){
                response.setContentType("image/"+fileType);
                //pdf类型
            }else if("pdf".contains(fileType)){
                response.setContentType("application/pdf");
            }else{//自动判断下载文件类型
                response.setContentType("multipart/form-data");
            }
            //设置文件头：最后一个参数是设置下载文件名
            response.setHeader("Content-Disposition", "attachment;fileName="+fileName);
            out = response.getOutputStream();
            // 读取文件流
            int len = 0;
            byte[] buffer = new byte[1024 * 10];
            while ((len = in.read(buffer)) != -1) {
                out.write(buffer, 0, len);
            }
            out.flush();
        } catch (FileNotFoundException e) {
        } catch (Exception e) {
        } finally {
            try {
                out.close();
                in.close();
            } catch (NullPointerException e) {
            } catch (Exception e) {
            }
        }
    }

    /**
     * 文件下载
     * String localFilePath：本地文件夹
     * String path：远程服务器共享文件名
     * String username:远程服务器用户名
     * String password：远程服务器密码
     */
    public static void download2(HttpServletResponse response, String path, String username, String password) {
        InputStream in = null;
        try (OutputStream out = response.getOutputStream()){
            NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication(null, username, password);
            String remoteUrl = "smb:" + path + (path.endsWith("/") ? "" : "/");
            SmbFile remoteFile = new SmbFile(remoteUrl, auth);
            remoteFile.connect();
            in = new BufferedInputStream(new SmbFileInputStream(remoteFile));
            byte[] buffer = new byte[4096];
            int len = 0;
            while ((len = in.read(buffer, 0, buffer.length)) != -1) {
                out.write(buffer, 0, len);
            }
            out.flush();
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());
        } finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e) {
                throw new RuntimeException(e.getMessage());
            }
        }
    }

    public static void main(String[] args) {
        LocalDateTime now = LocalDateTime.now();
        DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS");
        System.out.println(now.format(dtf));
        //LocalDateTime localDateTime = new LocalDateTime;
       // localDateTime.format("yyyyMMddHHmmss");
    }

}