fastapiๆก†ๆžถ

Rudy 2025-6-15 76 6/15

pip install fastapi

pip install fastapi -i https://mirrors.aliyun.com/pypi/simple

pip install uvicorn -i https://mirrors.aliyun.com/pypi/simple

from fastapi import FastAPI

app = FastAPI()

@app.get("/items/{item_id}") 
def read_item(item_id):
    return {"item_id": item_id}

็ป™ๆŸไธช่ทฏๅพ„ๅ‚ๆ•ฐไผ ้€’ๆŸๅ‡ ไธชๅ›บๅฎš็š„ๆœ‰ๆ•ˆๅ€ผ

from enum import Enum
from fastapi import FastAPI


class Hjx_Class_name(str, Enum):
    Name = 'huangjunx'
    Year = 18
    Id = '20153201072'
    student = True


app = FastAPI()


@app.get('/hjx/{hjx_man}')
def root(hjx_man: Hjx_Class_name):
    return {'status': hjx_man}

่ฏทๆฑ‚ไฝ“(Request Body)
ๅฝ“ๆ‚จ้œ€่ฆๅฐ†ๆ•ฐๆฎไปŽๅฎขๆˆท็ซฏ๏ผˆไพ‹ๅฆ‚ๆต่งˆๅ™จ๏ผ‰ๅ‘้€ๅˆฐAPIๆ—ถ๏ผŒๅฏไปฅๅฐ†ๅ…ถไฝœไธบ โ€œ่ฏทๆฑ‚ไฝ“โ€ ๅ‘้€ใ€‚

่ฏทๆฑ‚ไฝ“ๆ˜ฏๅฎขๆˆท็ซฏๅ‘้€ๅˆฐๆ‚จ็š„API็š„ๆ•ฐๆฎใ€‚ ๅ“ๅบ”ไฝ“ๆ˜ฏๆ‚จ็š„APIๅ‘้€็ป™ๅฎขๆˆท็ซฏ็š„ๆ•ฐๆฎใ€‚

APIๅ‡ ไนŽๆ€ปๆ˜ฏๅฟ…้กปๅ‘้€ไธ€ไธชๅ“ๅบ”ไฝ“๏ผŒไฝ†ๆ˜ฏๅฎขๆˆท็ซฏๅนถไธ้œ€่ฆไธ€็›ดๅ‘้€่ฏทๆฑ‚ไฝ“ใ€‚

ๅฎšไน‰่ฏทๆฑ‚ไฝ“๏ผŒ้œ€่ฆไฝฟ็”จ Pydantic ๆจกๅž‹ใ€‚ๆณจๆ„ไปฅไธ‹ๅ‡ ็‚น

ไธ่ƒฝ้€š่ฟ‡GET่ฏทๆฑ‚ๅ‘้€่ฏทๆฑ‚ไฝ“
ๅ‘้€่ฏทๆฑ‚ไฝ“ๆ•ฐๆฎ๏ผŒๅฟ…้กปไฝฟ็”จไปฅไธ‹ๅ‡ ็งๆ–นๆณ•ไน‹ไธ€๏ผšPOST๏ผˆๆœ€ๅธธ่ง๏ผ‰ใ€PUTใ€DELETEใ€PATCH

from fastapi import FastAPI
from pydantic import BaseModel


class Item(BaseModel):
    name: str
    description: str = None
    price: float
    tax: float = None


app = FastAPI()


@app.post("/items/")
async def create_item(item: Item):
    return item

ๅฃฐๆ˜Žๅ‚ๆ•ฐ็š„็ฑปๅž‹ไธบไฝ ๅˆ›ๅปบ็š„ๆจกๅž‹ Item

่ฟ™ๆ ทๅฝ“ไฝ ไฝฟ็”จpostman้€‰ๆ‹ฉpostๆ–นๆณ•่ฎฟ้—ฎ้“พๆŽฅๅนถไผ ้€’ไธ€ไธชๅ€ผไธบ

{
โ€œnameโ€: โ€œFooโ€,
โ€œpriceโ€: 45.2
}

็š„่ฏทๆฑ‚ไฝ“ไน‹ๅŽ๏ผŒไผšๅพ—ๅˆฐ่พ“ๅ‡บ

{
โ€œnameโ€: โ€œFooโ€,
โ€œpriceโ€: 45.2
}

 

- THE END -
ๆœ€ๅŽไฟฎๆ”น๏ผš2026ๅนด10ๆœˆ27ๆ—ฅ
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