1. 实现集中式的附件统一管理，统一上传统一预览（代码生成器，公共组件，公共附件元数据定义）

2. 实现统一的 DB 字段数据库定义（代码生成器，共用规范检查）

(cherry picked from commit c2195ee3cf)

yudao-module-infra/yudao-module-infra-server/src/main/resources/codegen/java/service/serviceImpl.vm

@@ -52,7 +52,7 @@ public class ${table.className}ServiceImpl implements ${table.className}Service
 #if ( $subTables && $subTables.size() > 0 && $table.templateType != 11 )
     @Transactional(rollbackFor = Exception.class)
 #end
-    public ${primaryColumn.javaType} create${simpleClassName}(${saveReqVOClass} ${saveReqVOVar}) {
+    public ${respVOClass} create${simpleClassName}(${saveReqVOClass} ${saveReqVOVar}) {
 ## 特殊：树表专属逻辑
 #if ( $table.templateType == 2 )
 #set ($TreeParentJavaField = $treeParentColumn.javaField.substring(0,1).toUpperCase() + ${treeParentColumn.javaField.substring(1)})##首字母大写
@@ -86,7 +86,7 @@ public class ${table.className}ServiceImpl implements ${table.className}Service
 #end
 #end
         // 返回
-        return ${classNameVar}.getId();
+        return BeanUtils.toBean(${classNameVar}, ${respVOClass}.class);
     }
 
     @Override