From 1d53dd8f501a98ddcce8146443b51b357ef5f9b1 Mon Sep 17 00:00:00 2001 From: 13693261870 <252740454@qq.com> Date: 星期四, 29 十二月 2022 16:55:46 +0800 Subject: [PATCH] 1 --- src/main/java/com/lf/server/service/data/DownloadService.java | 148 +++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 142 insertions(+), 6 deletions(-) diff --git a/src/main/java/com/lf/server/service/data/DownloadService.java b/src/main/java/com/lf/server/service/data/DownloadService.java index 3872a74..b5f380c 100644 --- a/src/main/java/com/lf/server/service/data/DownloadService.java +++ b/src/main/java/com/lf/server/service/data/DownloadService.java @@ -1,13 +1,22 @@ package com.lf.server.service.data; +import com.lf.server.entity.ctrl.DownloadReqEntity; import com.lf.server.entity.data.DownloadEntity; -import com.lf.server.helper.PathHelper; -import com.lf.server.helper.StringHelper; +import com.lf.server.entity.data.MetaFileEntity; +import com.lf.server.entity.sys.UserEntity; +import com.lf.server.helper.*; import com.lf.server.mapper.data.DownloadMapper; +import net.lingala.zip4j.ZipFile; +import net.lingala.zip4j.model.FileHeader; +import net.lingala.zip4j.model.ZipParameters; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.io.File; +import java.util.ArrayList; +import java.util.Date; import java.util.List; /** @@ -21,6 +30,8 @@ @Autowired DownloadMapper downloadMapper; + + private final static Log log = LogFactory.getLog(DownloadService.class); @Override public Integer selectCount(String name) { @@ -37,17 +48,17 @@ } @Override - public Integer selectCountForExport(Integer createUser, String name) { + public Integer selectCountForUser(Integer createUser, Integer type, String name) { name = StringHelper.getLikeStr(name); - return downloadMapper.selectCountForExport(createUser, name); + return downloadMapper.selectCountForUser(createUser, type, name); } @Override - public List<DownloadEntity> selectByPageForExport(Integer createUser, String name, Integer limit, Integer offset) { + public List<DownloadEntity> selectByPageForUser(Integer createUser, Integer type, String name, Integer limit, Integer offset) { name = StringHelper.getLikeStr(name); - return downloadMapper.selectByPageForExport(createUser, name, limit, offset); + return downloadMapper.selectByPageForUser(createUser, type, name, limit, offset); } @Override @@ -104,4 +115,129 @@ public String getDownloadFilePath(DownloadEntity de) { return pathHelper.getConfig().getDownloadPath() + File.separator + de.getUrl(); } + + /** + * 瑙e瘑 + * + * @param reqEntity 璇锋眰涓嬭浇瀹炰綋绫� + * @return 鏄�/鍚﹁В瀵嗘垚鍔� + */ + public static boolean decryptPwd(DownloadReqEntity reqEntity) { + try { + String pwd = RsaHelper.decrypt(reqEntity.getPwd()); + if (StringHelper.isEmpty(pwd)) { + return false; + } + + reqEntity.setPwd(pwd); + + return true; + } catch (Exception ex) { + log.error(ex.getMessage(), ex); + return false; + } + } + + /** + * 瑙e瘑 + * + * @param pwd 鍔犲瘑瀵嗙爜 + * @return 鍘熷瀵嗙爜 + */ + public static String decryptPwd(String pwd) { + try { + return RsaHelper.decrypt(pwd); + } catch (Exception ex) { + log.error(ex.getMessage(), ex); + return null; + } + } + + /** + * 鎵撳寘鏂囦欢 + * + * @param ue 鐢ㄦ埛瀹炰綋 + * @param list 鍏冩暟鎹枃浠堕泦鍚� + * @param pwd 瀵嗙爜 + * @return 涓嬭浇鏂囦欢GUID + */ + public String zipFiles(UserEntity ue, List<MetaFileEntity> list, String pwd) throws Exception { + rmRepeatMetaFiles(list); + + String downloadPath = pathHelper.getDownloadFullPath(); + String zipName = StringHelper.YMDHMS2_FORMAT.format(new Date()) + ".zip"; + String zipFile = downloadPath + File.separator + zipName; + + ZipFile zip = Zip4jHelper.createZipFile(zipFile, pwd); + ZipParameters params = Zip4jHelper.getZipParams(); + addMetaFiles(zip, params, list); + + String dbPwd = Md5Helper.reverse(Md5Helper.generate(pwd)); + DownloadEntity downloadEntity = getDownloadEntity(ue, zipFile, dbPwd); + int rows = downloadMapper.insert(downloadEntity); + + return rows > 0 ? downloadEntity.getGuid() : null; + } + + /** + * 绉婚櫎閲嶅鐨勫厓鏁版嵁鏂囦欢 + */ + private void rmRepeatMetaFiles(List<MetaFileEntity> list) { + List<String> guidList = new ArrayList<>(); + + int i = 0; + while (i < list.size()) { + MetaFileEntity entity = list.get(i); + if (guidList.contains(entity.getGuid())) { + list.remove(i); + continue; + } + + guidList.add(entity.getGuid()); + i++; + } + } + + /** + * 娣诲姞鍏冩暟鎹枃浠惰嚦Zip鍖� + */ + private void addMetaFiles(ZipFile zip, ZipParameters params, List<MetaFileEntity> list) { + String uploadPath = pathHelper.getConfig().getUploadPath(); + + int i = 1; + for (MetaFileEntity entity : list) { + try { + File file = new File(uploadPath + File.separator + entity.getPath()); + zip.addFile(file, params); + + FileHeader header = zip.getFileHeader(entity.getGuid()); + if (null != header) { + zip.renameFile(header, i++ + "_" + entity.getName()); + } + } catch (Exception ex) { + log.error(ex.getMessage(), ex); + } + } + } + + /** + * 鑾峰彇涓嬭浇瀹炰綋绫� + */ + private DownloadEntity getDownloadEntity(UserEntity ue, String file, String pwd) throws Exception { + DownloadEntity de = new DownloadEntity(); + de.setName(FileHelper.getFileName(file)); + // 1-Shp鏂囦欢锛�2-涓撻鍥撅紝3-鍏冩暟鎹� + de.setType(3); + de.setSizes(FileHelper.sizeToMb(new File(file).length())); + de.setDepid(ue.getDepid()); + de.setDcount(0); + de.setPwd(pwd); + de.setUrl(FileHelper.getRelativePath(file)); + de.setDescr("鍏冩暟鎹枃浠�"); + de.setGuid(FileHelper.getFileMd5(file)); + de.setCreateUser(ue.getId()); + // de.setGeom(null) + + return de; + } } -- Gitblit v1.9.3