fix:修复Bug【69857】

报告里只有xls文件，下载后压缩包名称应该不变化，只是打开是空的。

adc-da-report/src/main/java/com/adc/da/report/controller/ReportManageConroller.java

@@ -44,6 +44,7 @@ import java.net.URLEncoder;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.*;
+import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
 import static com.adc.da.report.constant.ReportConstants.FILE_EXTENSIONS_PDF;
@@ -435,9 +436,10 @@ public class ReportManageConroller {
 
         //待下载的文件id List
         List<String> downLoadFileIds;
-        String reportName = reportDao.selectById(reportId).getName() + ".zip";
+        String reportName = reportDao.selectById(reportId).getName();
+        String folderName = reportName + ".zip";
         // 获取编码后的文件名
-        String encodedZipName = URLEncoder.encode(reportName, "UTF-8");
+        String encodedZipName = URLEncoder.encode(folderName, "UTF-8");
 
         //判断是从列表页面下载 还是预览页面下载
         if (CollectionUtils.isEmpty(fileIdList)) {
@@ -445,7 +447,6 @@ public class ReportManageConroller {
             downLoadFileIds = fileService.getDownloadFileIds(reportId);
             if (CollectionUtils.isEmpty(downLoadFileIds)) {
                 log.info("无法下载，原因可能是无可下载文件（xls/xlsx文件无法下载）");
-                String zipFileName = "empty.zip"; // 压缩文件名
                 try {
                     // 设置响应头信息
                     response.setContentType("application/zip");
@@ -457,6 +458,9 @@ public class ReportManageConroller {
 
                     // 创建空的ZipOutputStream
                     ZipOutputStream zipOutputStream = new ZipOutputStream(response.getOutputStream());
+                    // 添加空文件夹条目
+                    ZipEntry emptyDirectoryEntry = new ZipEntry(reportName + "/");
+                    zipOutputStream.putNextEntry(emptyDirectoryEntry);
                     zipOutputStream.close();
                     return;
                 } catch (IOException e) {