1.请求体参数2.练习需求设计接口新增图书图书信息包含书名、作者、出版社、售价# 需求设计接口新增图书图书信息包含书名、作者、出版社、售价 class Book(BaseModel): bookname:str bookauthor:str bookpublish:str bookprice:int app.post(/book) async def addbook(book:Book): return book