refactor(online): 使用常量替换硬编码的元数据源字符串

- 修改OnlinePageController的add方法返回类型从Long改为OnlinePage
- 移除不必要的masterTableId变量声明
- 修复TenantOnlinePageController继承类的返回类型一致性
- 添加OnlinePage模型导入到TenantOnlinePageController
- 统一两个控制器的返回值结构为完整的OnlinePage对象

common/common-online/src/main/java/apelet/common/online/controller/OnlinePageController.java

@@ -75,6 +75,10 @@ public class OnlinePageController {
     @Autowired
     private IOnlFormFieldService onlFormFieldService;
 
+    //new=新建元数据，exist=现有元数据
+    private static final String META_SOURCE_NEW = "new";
+    private static final String META_SOURCE_EXIST = "exist";
+
     /**
      * 新增在线表单页面数据。
      *
@@ -85,14 +89,14 @@ public class OnlinePageController {
     @OperationLog(type = SysOperationLogType.ADD)
     @Transactional(rollbackFor = Exception.class)
     @PostMapping("/add")
-    public ResponseResult<Long> add(@MyRequestBody OnlinePageDto onlinePageDto) {
+    public ResponseResult<OnlinePage> add(@MyRequestBody OnlinePageDto onlinePageDto) {
         String errorMessage = MyCommonUtil.getModelValidationError(onlinePageDto);
         if (errorMessage != null) {
             return ResponseResult.error(ErrorCodeEnum.DATA_VALIDATED_FAILED, errorMessage);
         }
         // Validate based on metaSource
         String metaSource = onlinePageDto.getMetaSource();
-        if ("new".equals(metaSource)) {
+        if (META_SOURCE_NEW.equals(metaSource)) {
             // New metadata flow: metaType and pageCode are required
             if (StrUtil.isEmpty(onlinePageDto.getMetaType())) {
                 errorMessage = "数据验证失败，新建元数据时表类型(metaType)不能为空！";
@@ -115,17 +119,16 @@ public class OnlinePageController {
             return ResponseResult.error(ErrorCodeEnum.DUPLICATED_UNIQUE_KEY, errorMessage);
         }
 
-        Long masterTableId;
         OnlFormHead onlFormHead;
 
-        if ("new".equals(metaSource)) {
+        if (META_SOURCE_NEW.equals(metaSource)) {
             // === New branch: create fresh metadata ===
             String metaType = onlinePageDto.getMetaType();
             String tableName = onlinePageDto.getPageCode();
             String tableTxt = onlinePageDto.getPageName();
 
             onlFormHead = iOnlFormHeadService.createMetaAndSync(tableName, tableTxt, metaType, null);
-            masterTableId = onlFormHead.getId();
+            Long masterTableId = onlFormHead.getId();
             onlinePage.setMasterTableId(String.valueOf(masterTableId));
             onlinePage.setMasterTableName(onlFormHead.getTableName());
 
@@ -138,7 +141,6 @@ public class OnlinePageController {
             // === Existing branch: use existing metadata ===
             String formMetadata = onlinePageDto.getMasterTableId();
             onlFormHead = iOnlFormHeadService.getById(formMetadata);
-            masterTableId = Long.valueOf(formMetadata);
         }
 
         try {
@@ -179,7 +181,7 @@ public class OnlinePageController {
          */
         addOnlineDatasourceRelation(onlFormHead, onlineDatasource, errorMessage, onlineDblink);
 
-        return ResponseResult.success(onlinePage.getPageId());
+        return ResponseResult.success(onlinePage);
     }
 
 

common/common-tenant-online/src/main/java/apelet/common/tenant/online/controller/TenantOnlinePageController.java

@@ -8,6 +8,7 @@ import apelet.common.online.controller.OnlinePageController;
 import apelet.common.online.dto.OnlineDatasourceDto;
 import apelet.common.online.dto.OnlinePageDatasourceDto;
 import apelet.common.online.dto.OnlinePageDto;
+import apelet.common.online.model.OnlinePage;
 import apelet.common.online.vo.OnlineDatasourceVo;
 import apelet.common.online.vo.OnlinePageDatasourceVo;
 import apelet.common.online.vo.OnlinePageVo;
@@ -43,7 +44,7 @@ public class TenantOnlinePageController extends OnlinePageController {
     @OperationLog(type = SysOperationLogType.ADD)
     @PostMapping("/add")
     @Override
-    public ResponseResult<Long> add(@MyRequestBody OnlinePageDto onlinePageDto) {
+    public ResponseResult<OnlinePage> add(@MyRequestBody OnlinePageDto onlinePageDto) {
         return super.add(onlinePageDto);
     }