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这是一个创建于 508 天前的主题，其中的信息可能已经有所发展或是发生改变。
项目地址：
https://github.com/allmonday/pydantic-resolve-demo
主要介绍如何借助 graphql resolver 和 dataloader 这两个工具
将 graphql 中对数据组合的便利性带到 fastapi/ django ninja (支持 pydantic ）项目中来
- 通过继承来复用查询接口
- 通过 dataloader 来扩展需要的字段
- 通过 openapi.json 把方法和 schema 暴露到前端快速使用。
class MyBlogSite(BaseModel): name: str # blogs: list[Blog] = [] # this will not include comments and comment_count blogs: list[MyBlog] = [] async def resolve_blogs(self): return await get_blogs() comment_count: int = 0 def post_comment_count(self): return sum([b.comment_count for b in self.blogs]) class MyBlog(Blog): # comments: list[Comment] = [] # this will not include user field comments: list[MyComment] = [] def resolve_comments(self, loader=LoaderDepend(blog_to_comments_loader)): return loader.load(self.id) comment_count: int = 0 def post_comment_count(self): return len(self.comments) class MyComment(Comment): user: Optional[User] = None def resolve_user(self, loader=LoaderDepend(user_loader)): return loader.load(self.user_id) 目前尚无回复
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