Python FastAPI 多参数传递的示例详解

import uvicorn
from fastapi import FastAPI

#构造FastAPI实例
app = FastAPI(name="mutilParam")

""""
路径多参数传递
访问url：
http://127.0.0.1:8001/uname=goudan/sex=1/age=18
匹配模板：
http://127.0.0.1:8001/uname=值1/sex=值2/age=值3
对应API代码：
"""

@app.get("/uname={uname}/sex={sex}/age={age}")
async def api1(uname: str, sex, age: str):
    return {
        "uname": uname,
        "sex": sex,
        "age": age,
    }

import uvicorn
from fastapi import FastAPI

#构造FastAPI实例
app = FastAPI(name="mutilParam")

""""
GET请求多参数传递
访问url：
http://127.0.0.1:8001/get?uname=goudan&sex=1&age=18
匹配模板：
http://127.0.0.1:8001/get?uname=值1&sex=值2&age=值3
对应API代码：
"""
@app.get("/get")
async def api2(uname=Query(None), sex=Query(...), age=Query(None)):
    return {
        "uname": uname,
        "sex": sex,
        "age": age,
    }

import uvicorn
from fastapi import FastAPI

#构造FastAPI实例
app = FastAPI(name="mutilParam")

""""
POST请求多参数传递
"""
@app.post("/post")
async def api3(uname=Body(None), sex=Body(...), age=Body(None)):
    return {
        "uname": uname,
        "sex": sex,
        "age": age,
    }

import uvicorn
from fastapi import FastAPI
from fastapi import Query
from fastapi import Body

#构造FastAPI实例
app = FastAPI(name="mutilParam")

""""
路径多参数传递
访问url：
http://127.0.0.1:8001/uname=goudan/sex=1/age=18
匹配模板：
http://127.0.0.1:8001/uname=值1/sex=值2/age=值3
对应API代码：
"""

@app.get("/uname={uname}/sex={sex}/age={age}")
async def api1(uname: str, sex, age: str):
    return {
        "uname": uname,
        "sex": sex,
        "age": age,
    }

""""
GET请求多参数传递
访问url：
http://127.0.0.1:8001/get?uname=goudan&sex=1&age=18
匹配模板：
http://127.0.0.1:8001/get?uname=值1&sex=值2&age=值3
对应API代码：
参数里uname=Query(None)：
    uname对应着传入URL里的?uname=xxx
    Query()是导的包from fastapi import Query
    Query(None)里的None是默认值，可以是任意值，当URL里没有传入这个参数时，就会用默认值替代；当None为...，则表示为必须传递参数
"""
@app.get("/get")
async def api2(uname=Query(None), sex=Query(...), age=Query(None)):
    return {
        "uname": uname,
        "sex": sex,
        "age": age,
    }


""""
POST请求多参数传递
访问url：
http://127.0.0.1:8001/post
{"uname":"goudan","sex":"1","age":"18"}
匹配模板：
http://127.0.0.1:8001/post
{"uname":"xxx","age":"x"}
对应API代码：

Post参数传递几乎和GET相似,就是将Query替换成来写:
参数里uname=Body(None)：
Body()是导的包from fastapi import Body
Body的写法与用法和Query相同，括号里是默认值
uname=Body(None)里的None是默认值，可以是任意值，当URL里没有传入这个参数时，就会用默认值替代;当None为...，则表示为必须传递参数
"""
@app.post("/post")
async def api3(uname=Body(None), sex=Body(...), age=Body(None)):
    return {
        "uname": uname,
        "sex": sex,
        "age": age,
    }

#主函数
if __name__ == '__main__':
    #启动服务
    uvicorn.run(app='MutilParamOfAPI:app', host="127.0.0.1", port=8001, reload=False)

/Users/liyadong/PycharmProjects/MyAPI/MutilParamOfAPI.py 
INFO:     Started server process [31526]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
INFO:     Uvicorn running on http://127.0.0.1:8001 (Press CTRL+C to quit)

{"uname":"goudan","sex":"1","age":"18"}

{"uname":"goudan","sex":"1","age":"18"}

{"uname":"goudan","sex":"1","age":"18"}