调通了上传接口，新增下载文件接口。

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/ImportFileInfo.java

@@ -66,4 +66,7 @@ public class ImportFileInfo extends BaseModel {
     @TableField(value = "permanent_deleted")
     private Boolean permanentDeleted;
 
+    @TableField(value = "src_path")
+    private String srcPath;
+
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/ImportPrjService.java

@@ -1,9 +1,15 @@
 package com.electromagnetic.industry.software.manage.service;
 
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.multipart.MultipartFile;
 
 public interface ImportPrjService {
 
     boolean importPrj(MultipartFile file);
 
+    ResponseEntity<InputStreamResource> download(String id, HttpServletResponse response);
+
+
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ImportPrjServiceImpl.java

@@ -1,7 +1,10 @@
 package com.electromagnetic.industry.software.manage.service.serviceimpl;
 
+import cn.hutool.core.codec.Base64;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.lang.Assert;
+import cn.hutool.core.text.StrFormatter;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.crypto.SecureUtil;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
@@ -12,12 +15,20 @@ import com.electromagnetic.industry.software.common.enums.EleDataTypeEnum;
 import com.electromagnetic.industry.software.common.exception.BizException;
 import com.electromagnetic.industry.software.common.util.EleCommonUtil;
 import com.electromagnetic.industry.software.common.util.IdWorker;
+import com.electromagnetic.industry.software.common.util.UserThreadLocal;
 import com.electromagnetic.industry.software.manage.config.ElePropertyConfig;
 import com.electromagnetic.industry.software.manage.mapper.ImportPrjInfoMapper;
+import com.electromagnetic.industry.software.manage.pojo.models.EdFileInfo;
 import com.electromagnetic.industry.software.manage.pojo.models.ImportFileInfo;
 import com.electromagnetic.industry.software.manage.service.ImportPrjService;
 import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletResponse;
 import org.mockito.internal.util.io.IOUtil;
+import org.springframework.core.io.FileSystemResource;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
@@ -36,13 +47,14 @@ public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, Impor
 
     @Resource
     private ElePropertyConfig elePropertyConfig;
+    @Resource
+    private CommonService commonService;
 
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean importPrj(MultipartFile file) {
         String zipTmpPath = elePropertyConfig.getEleTmpPath() + File.pathSeparator + UUID.randomUUID() + ".zip";
         ZipFile zipFile = null;
-//        zipTmpPath = "D:\\tmp\\szsd\\data\\ele.zip";
         try {
             FileUtil.writeFromStream(file.getInputStream(), zipTmpPath);
             Map<String, String> pathIdMap = new HashMap<>();
@@ -82,6 +94,7 @@ public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, Impor
                                 .setFileContent("")
                                 .setDataType(isDirectory ? EleDataTypeEnum.FOLDER.code : EleDataTypeEnum.FILE.code)
                                 .setFileSize(entry.getSize())
+                                .setSrcPath(entryName)
                                 .setPermanentDeleted(false);
                         resetPrjName(importFileInfo);
                         if (isDirectory) {
@@ -102,9 +115,9 @@ public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, Impor
                 String newId = entry.getKey();
                 ZipEntry tmp = entry.getValue();
                 InputStream inputStream = zipFile.getInputStream(tmp);
-                String destPath = elePropertyConfig.getEleTmpPath() + File.pathSeparator + newId;
+                String destPath = elePropertyConfig.getImportPrjPath() + File.separator + newId;
                 FileUtil.writeFromStream(inputStream, destPath);
-                EleCommonUtil.decryptFile(destPath, SecureUtil.aes(FILE_SEC_PASSWD.getBytes()));
+                EleCommonUtil.encryptFile(destPath, SecureUtil.aes(FILE_SEC_PASSWD.getBytes()));
             }
         } catch (Exception e) {
             throw new BizException("导入工程失败，原因 " + e.getMessage(), e);
@@ -115,6 +128,37 @@ public class ImportPrjServiceImpl extends ServiceImpl<ImportPrjInfoMapper, Impor
         return true;
     }
 
+    @Override
+    public ResponseEntity<InputStreamResource> download(String id, HttpServletResponse response) {
+        String fileName = "";
+        ImportFileInfo fileInfo = this.baseMapper.selectById(id);
+        String fileSysPath = elePropertyConfig.getImportPrjPath() + File.pathSeparator + id;
+        String dbPath = fileInfo.getSrcPath();
+        try {
+            Assert.isTrue(FileUtil.exist(fileSysPath), "下载文件不存在，路径为 {}", dbPath);
+            FileSystemResource fileSystemResource = new FileSystemResource(fileSysPath);
+            fileName = fileSystemResource.getFilename();
+            HttpHeaders headers = new HttpHeaders();
+            headers.add("Cache-Control", "no-cache, no-store, must-revalidate");
+            headers.add("Pragma", "no-cache");
+            headers.add("Expires", "0");
+            String newFileName = Base64.encode(fileInfo.getFileName() + "." + fileInfo.getFileType());
+            response.setHeader("content-disposition", "attachment;filename=" + newFileName);
+            UserThreadLocal.setSuccessInfo(fileInfo.getParentId(), id, "下载文件 {} 成功，文件路径 {}", fileInfo.getFileName() + "." + fileInfo.getFileType(), dbPath);
+            // 构建响应实体(可以返回<byte[]或Resource，返回类型取决body入参类型)
+            return ResponseEntity
+                    .ok()
+                    .headers(headers)
+                    .contentLength(fileSystemResource.contentLength())
+                    .contentType(MediaType.parseMediaType("application/octet-stream;charset=UTF-8"))
+                    .body(new InputStreamResource(fileSystemResource.getInputStream()));
+        } catch (Exception e) {
+            String info = StrFormatter.format("下载文件异常 {}，路径 {}", fileName, dbPath);
+            log.error(info, e);
+            throw new BizException(info);
+        }
+    }
+
     public void resetPrjName(ImportFileInfo importFileInfo) {
         if (!StrUtil.equals(importFileInfo.getParentId(), ElectromagneticConstants.PRJ_PARENT_ID)) {
             return;