初始化2

server/controller/folder_controller.go

@@ -44,8 +44,27 @@ func (c *FolderController) Create(ctx *gin.Context) {
 	utils.Success(ctx, result)
 }
 
-// ListChildren 获取文件夹子项
-// GET /api/folder/:id/children 或 GET /api/folder/root
+// GetByBizID 根据业务ID获取文件夹信息
+// GET /api/folder/by-bizid/:bizid
+func (c *FolderController) GetByBizID(ctx *gin.Context) {
+	ownerID := middleware.GetCurrentUserID(ctx)
+	bizID := ctx.Param("bizid")
+	if bizID == "" {
+		utils.BadRequest(ctx, "业务ID不能为空")
+		return
+	}
+
+	result, err := c.folderService.GetByBizID(bizID, ownerID)
+	if err != nil {
+		utils.NotFound(ctx, err.Error())
+		return
+	}
+
+	utils.Success(ctx, result)
+}
+
+// ListChildren 获取文件夹子项(支持分页)
+// GET /api/folder/:id/children?page=1&page_size=50
 func (c *FolderController) ListChildren(ctx *gin.Context) {
 	ownerID := middleware.GetCurrentUserID(ctx)
 
@@ -62,7 +81,17 @@ func (c *FolderController) ListChildren(ctx *gin.Context) {
 		}
 	}
 
-	result, err := c.folderService.ListChildren(folderID, ownerID)
+	// 分页参数
+	page, _ := strconv.Atoi(ctx.DefaultQuery("page", "1"))
+	pageSize, _ := strconv.Atoi(ctx.DefaultQuery("page_size", "50"))
+	if page < 1 {
+		page = 1
+	}
+	if pageSize < 1 || pageSize > 200 {
+		pageSize = 50
+	}
+
+	result, err := c.folderService.ListChildren(folderID, ownerID, page, pageSize)
 	if err != nil {
 		utils.ServerError(ctx, err.Error())
 		return