删除

孔祥富

2021-04-01 63c7e9d7051ed6742eb7334346a53376b0247c29

 febs-server/febs-server-hr/src/main/java/cc/mrbird/febs/server/hr/service/impl/FilesUploadServiceImpl.java

@@ -1,39 +1,40 @@
package cc.mrbird.febs.server.hr.service.impl;

import java.io.*;
import java.util.*;

import cc.mrbird.febs.common.core.constant.ModuleCode;
import cc.mrbird.febs.common.core.entity.QueryRequest;
import cc.mrbird.febs.common.core.exception.FebsException;
import cc.mrbird.febs.common.core.utils.FebsUtil;
import cc.mrbird.febs.common.core.utils.MyUtil;
import cc.mrbird.febs.common.core.utils.SequenceUtil;
import cc.mrbird.febs.server.hr.entity.FilesUpload;
import cc.mrbird.febs.server.hr.entity.Folder;
import cc.mrbird.febs.server.hr.mapper.FilesUploadMapper;
import cc.mrbird.febs.server.hr.properties.FebsServerHrProperties;
import cc.mrbird.febs.server.hr.service.IFilesUploadService;
import cn.hutool.core.date.DateUtil;
import cc.mrbird.febs.server.hr.service.IFolderService;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.file.FileWriter;
import cn.hutool.core.lang.Dict;
import cn.hutool.core.lang.Snowflake;
import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.annotation.Propagation;
import lombok.RequiredArgsConstructor;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import cc.mrbird.febs.common.core.entity.QueryRequest;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;

/**
 * 文件上传 Service实现
@@ -46,11 +47,9 @@
@Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
public class FilesUploadServiceImpl extends ServiceImpl<FilesUploadMapper, FilesUpload> implements IFilesUploadService {

    private final FilesUploadMapper filesUploadMapper;
    private final IFolderService iFolderService;
    private final FebsServerHrProperties properties;
    private final String operatorId = Optional.ofNullable(FebsUtil.getCurrentUser())
            .map(u -> u.getUserId().toString())
            .orElse("1");

    /**
     * 参数2为数据中心ID 参数1为终端ID
     */
@@ -66,7 +65,7 @@
    @Override
    public List<FilesUpload> findFilesUploads(FilesUpload filesUpload) {
        LambdaQueryWrapper<FilesUpload> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(FilesUpload::getDelFlag,0);
        queryWrapper.eq(FilesUpload::getDelFlag, 0);
        if (null != filesUpload.getFolderid()) {
            queryWrapper.eq(FilesUpload::getFolderid, filesUpload.getFolderid());
        }
@@ -80,40 +79,18 @@
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void createFilesUpload(Long folderid, MultipartFile file) throws FebsException, IOException {
        if (file.isEmpty()) {
            throw new FebsException("上传的文件不能为空！请重新上传");
        }
        if (file.getSize() <= 0) {
            throw new FebsException("上传的文件大小需要大于0kb");
        }
        if (file.getSize() > 50 * 1024* 1024) {
            throw new FebsException("上传的文件大于50M");
        }
        if (!FileUtil.exist(properties.getUploadPpath())) {
            FileUtil.mkdir(properties.getUploadPpath());
        }
        //原本名字
        String fileName = file.getOriginalFilename();
        String suffix = "";
        if (fileName.indexOf(".") > 0) {
            //后缀
            suffix = fileName.substring(fileName.indexOf("."), fileName.length());
        }
        //生成新的名字
        String newName = snowflake.nextIdStr() + suffix;
        //上传
        file.transferTo(new File(properties.getUploadPpath() + newName));

        Folder folder = iFolderService.getById(folderid);
        Dict dict = MyUtil.filesUpload(file, properties.getUploadCommonPath() + folder.getFoldername() + "/", snowflake.nextIdStr());
        FilesUpload filesUpload = new FilesUpload();
        filesUpload.setCreatetime(new Date());
        filesUpload.setCreator(operatorId);
        filesUpload.setCreator(FebsUtil.getUserId());
        filesUpload.setDelFlag(0);
        filesUpload.setFilesaddress(newName);
        filesUpload.setFilesformat(StrUtil.isBlank(suffix) ? suffix : suffix.substring(1));
        filesUpload.setFilesaddress(dict.getStr("newName"));
        filesUpload.setFilesformat(StrUtil.isBlank(dict.getStr("suffix")) ? dict.getStr("suffix") : dict.getStr("suffix").substring(1));
        filesUpload.setFilesid(SequenceUtil.generateId(0L, ModuleCode.HR_FIlE));
        filesUpload.setFilesname(fileName);
        filesUpload.setFilesname(dict.getStr("fileName"));
        filesUpload.setFolderid(folderid);
        filesUpload.setModifier(operatorId);
        filesUpload.setModifier(FebsUtil.getUserId());
        filesUpload.setModifytime(new Date());
        filesUpload.setVersion(0);
        this.save(filesUpload);
@@ -121,8 +98,14 @@

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateFilesUpload(FilesUpload filesUpload) {
        this.saveOrUpdate(filesUpload);
    public void updateFilesUpload(FilesUpload filesUpload) throws FebsException {
        if ( filesUpload.getFilesname().lastIndexOf(".")<=0){
            throw  new FebsException("文件名格式错误");
        }
        LambdaUpdateWrapper<FilesUpload> wrapper = new LambdaUpdateWrapper<>();
        wrapper.eq(FilesUpload::getFilesid,filesUpload.getFilesid())
                .set(FilesUpload::getFilesname,filesUpload.getFilesname()).set(FilesUpload::getFilesformat,  filesUpload.getFilesname().substring( filesUpload.getFilesname().lastIndexOf(".")+1));
        this.update(wrapper);
    }

    @Override
@@ -130,13 +113,19 @@
    public void deleteFilesUpload(String fileids) {
        String[] arr = fileids.split(",");
        LambdaUpdateWrapper<FilesUpload> wapper = new LambdaUpdateWrapper<>();
        wapper.in(FilesUpload::getFilesid,arr).setSql("delFlag = 1");
        wapper.in(FilesUpload::getFilesid, arr);
        wapper.set(FilesUpload::getDelFlag, 1);
        wapper.set(FilesUpload::getModifier, FebsUtil.getUserId());
        wapper.set(FilesUpload::getModifytime, new Date());
        this.update(wapper);

        LambdaQueryWrapper<FilesUpload> queryWrapper = new LambdaQueryWrapper<>();
        wapper.in(FilesUpload::getFilesid,arr);
        queryWrapper.in(FilesUpload::getFilesid, arr);
        List<FilesUpload> list = this.list(queryWrapper);
        list.parallelStream().forEach(i-> FileUtil.del(properties.getUploadPpath() + i.getFilesaddress()));
        list.parallelStream().forEach(i -> {
            Folder folder = iFolderService.getById(i.getFolderid());
            FileUtil.del(properties.getUploadCommonPath() + folder.getFoldername() + "/" + i.getFilesaddress());
        });

    }

@@ -145,73 +134,78 @@
        String[] arr = fileids.split(",");
        List<File> files = new ArrayList<>();
        List<String> fileName = new ArrayList<>();

        Arrays.stream(arr).forEach(i -> {
            FilesUpload filesUpload = this.getById(i);
            files.add(new File(properties.getUploadPpath() + filesUpload.getFilesaddress()));
            fileName.add(filesUpload.getFilesname());
        });
        //设置压缩包的名字
        //解决不同浏览器压缩包名字含有中文时乱码的问题
        String downloadName ="PersonnelInformation-" + DateUtil.format(new Date(), "yyyyMMddhhmmsss") + ".zip";
        String agent = request.getHeader("USER-AGENT");
        try {
            if (agent.contains("MSIE") || agent.contains("Trident")) {
                downloadName = java.net.URLEncoder.encode(downloadName, "UTF-8");
            Folder folder = iFolderService.getById(filesUpload.getFolderid());
            files.add(new File(properties.getUploadCommonPath() + folder.getFoldername() + "/" + filesUpload.getFilesaddress()));
            if (fileName.parallelStream().filter(filter -> StrUtil.equals(filesUpload.getFilesname(), filter)).count() == 0) {
                fileName.add(filesUpload.getFilesname());
            } else {
                downloadName = new String(downloadName.getBytes("UTF-8"), "ISO-8859-1");
                fileName.add(filesUpload.getFilesname().substring(0,filesUpload.getFilesname().lastIndexOf(".")) + fileName.parallelStream().filter(filter -> StrUtil.equals(filesUpload.getFilesname(), filter)).count()+"."+filesUpload.getFilesformat());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        response.setHeader("Content-Disposition", "attachment;fileName=\"" + downloadName + "\"");


        //设置压缩流：直接写入response，实现边压缩边下载
        ZipOutputStream zipos = null;
        try {
            zipos = new ZipOutputStream(new BufferedOutputStream(response.getOutputStream()));
            //设置压缩方法
            zipos.setMethod(ZipOutputStream.DEFLATED);
        } catch (Exception e) {
            log.error("设置压缩流出现异常" + e.getMessage());
            e.printStackTrace();
        }

        //循环将文件写入压缩流
        DataOutputStream os = null;
        for (int i = 0; i < files.size(); i++) {
            File file = files.get(i);
            try {
                //添加ZipEntry，并ZipEntry中写入文件流
                //这里，加上i是防止要下载的文件有重名的导致下载失败
                zipos.putNextEntry(new ZipEntry(fileName.get(i)));
                os = new DataOutputStream(zipos);
                InputStream is = new FileInputStream(file);
                byte[] b = new byte[100];
                int length;
                while ((length = is.read(b)) != -1) {
                    os.write(b, 0, length);
                }
                is.close();
                zipos.closeEntry();
            } catch (IOException e) {
                log.error("循环将文件写入压缩流出现异常" + e.getMessage());
                e.printStackTrace();
            }
        }

        //关闭流
        try {
            os.flush();
            os.close();
            zipos.close();
        } catch (IOException e) {
            log.error("关闭流现异常" + e.getMessage());
            e.printStackTrace();
        }
        });
        MyUtil.download(request, response, files, fileName);

    }

    @Override
    public void mvFiles(String fileids, Long folderid) {
        String[] arr = fileids.split(",");

        LambdaQueryWrapper<FilesUpload> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(FilesUpload::getFilesid, arr);
        List<FilesUpload> list = this.list(queryWrapper);
        list.parallelStream().forEach(i -> {
            Folder folder = iFolderService.getById(i.getFolderid());
            Folder newfolder = iFolderService.getById(folderid);
            File oldfile = new File(properties.getUploadCommonPath() + folder.getFoldername() + "/" + i.getFilesaddress());
            File newfile = new File(properties.getUploadCommonPath() + newfolder.getFoldername() + "/" + i.getFilesaddress());
            if (!FileUtil.exist(properties.getUploadCommonPath() + newfolder.getFoldername() )){
                FileUtil.mkdir(properties.getUploadCommonPath() + newfolder.getFoldername() );
            }
            FileUtil.move(oldfile, newfile, true);
        });

        LambdaUpdateWrapper<FilesUpload> wapper = new LambdaUpdateWrapper<>();
        wapper.in(FilesUpload::getFilesid, arr);
        wapper.set(FilesUpload::getFolderid, folderid);
        wapper.set(FilesUpload::getModifier, FebsUtil.getUserId());
        wapper.set(FilesUpload::getModifytime, new Date());
        this.update(wapper);

    }
    @Override
    public void getImage(String filesid, HttpServletResponse response) throws Exception {
        FilesUpload filesUpload = this.getById(filesid);
        if (StrUtil.isBlank(filesUpload.getFilesaddress())) {
            return;
        }
        Folder folder = iFolderService.getById(filesUpload.getFolderid());
        String path = properties.getUploadCommonPath() + folder.getFoldername() + "/" + filesUpload.getFilesaddress();
        try (InputStream inputStream = new FileInputStream(path); OutputStream out = response.getOutputStream()) {
            //byte数组用于存放图片字节数据
            byte[] buff = new byte[inputStream.available()];
            inputStream.read(buff);
            inputStream.close();
            if (filesUpload.getFilesformat().equals("tif")){
                //设置发送到客户端的响应内容类型
                response.setContentType("image/tiff");
            }else if (filesUpload.getFilesformat().equals("bmp")){
                response.setContentType("application/x-bmp");
            }else if (filesUpload.getFilesformat().equals("jpg")){
                response.setContentType("image/jpeg");
            }else if (filesUpload.getFilesformat().equals("png")){
                response.setContentType("image/png");
            }else if (filesUpload.getFilesformat().equals("gif")){
                response.setContentType("image/gif");
            }
            out.write(buff);
        }
    }




}