1. 修复bug

src/main/java/com/supervision/police/dto/EvidenceCategoryDTO.java

@@ -76,7 +76,9 @@ public class EvidenceCategoryDTO {
             for (EvidenceCategoryDTO evidenceCategoryDTO : child) {
                 List<String> path = evidenceCategoryDTO.listCategoryIdPath(id);
                 if (CollUtil.isNotEmpty(path)){
-                    path.add(0,this.id);
+                    if (StrUtil.isNotEmpty(this.id)){
+                        path.add(0,this.id);
+                    }
                     return path;
                 }
             }

src/main/java/com/supervision/police/service/impl/CaseEvidenceServiceImpl.java

@@ -5,6 +5,7 @@ import cn.hutool.core.date.DateTime;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONUtil;
+import com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.plugins.pagination.PageDTO;
@@ -941,6 +942,8 @@ public class CaseEvidenceServiceImpl extends ServiceImpl<CaseEvidenceMapper, Cas
             if (directory.getLevel() == 1 || directory.getLevel() == 2) {
                 for (String fileId : evidenceFile.getFileIdList()) {
                     CaseEvidenceDetailDTO caseEvidenceDetailDTO = new CaseEvidenceDetailDTO();
+                    // 预先生成证据id
+                    caseEvidenceDetailDTO.setId(DefaultIdentifierGenerator.getInstance().nextId(null).toString());
                     caseEvidenceDetailDTO.setEvidenceType(directory.getCategoryId());
                     caseEvidenceDetailDTO.setDirectoryId(directoryId);
                     EvidenceFileDTO evidenceFileDTO = new EvidenceFileDTO();
@@ -953,6 +956,7 @@ public class CaseEvidenceServiceImpl extends ServiceImpl<CaseEvidenceMapper, Cas
                         caseEvidenceDetailDTO.setEvidenceName(minioFile.getFilename().split("\\.")[0]);
                         evidenceFileDTO.setFileType(minioFile.getFileType());
                         evidenceFileDTO.setFileName(minioFile.getFilename());
+                        evidenceFileDTO.setEvidenceId(caseEvidenceDetailDTO.getId());
                     }
                     caseEvidenceDetailDTO.setFileList(List.of(evidenceFileDTO));
                     caseEvidenceDetailDTOS.add(caseEvidenceDetailDTO);