[FastAPI-13]pydantic请求体接收数据

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()

'''
创建继承BaseModel的类，定义模型user
路径函数中定义形参user，类型为User
通过对象user的属性获取字段的值

客户端使用POST请求
使用Body体 JSON传参
'''
class User(BaseModel):
    username: str
    password: str
    age: int


@app.post("/login")
# user = User(username="str",password="str",age=int)
def login(user: User):
    return {
        "username": user.username,
        "password":user.password,
        "age":user.age
    }