From b17798ff2ed83b89e9186944f9fefcf09f125b52 Mon Sep 17 00:00:00 2001
From: sws <15810472099@163.com>
Date: 星期一, 28 十一月 2022 15:03:16 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/service/data/DownloadService.java | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 109 insertions(+), 3 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 0199d31..a6dd0ec 100644
--- a/src/main/java/com/lf/server/service/data/DownloadService.java
+++ b/src/main/java/com/lf/server/service/data/DownloadService.java
@@ -2,16 +2,21 @@
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.RsaHelper;
-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;
/**
@@ -132,4 +137,105 @@
return false;
}
}
+
+ /**
+ * 瑙ｅ瘑
+ *
+ * @param pwd 鍔犲瘑瀵嗙爜
+ * @return 鍘熷瀵嗙爜
+ */
+ public 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();
+ 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, 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;
+ }
}
--
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