from typing import Optional from pydantic import BaseModel, Field # 会员等级表单验证 class MemberLevelForm(BaseModel): id: Optional[int] = Field(None, description="会员等级ID") name: str = Field(..., min_length=1, max_length=255, description="会员等级名称") sort: int = Field(..., ge=0, le=99999, description="会员等级排序")