FastAPI接受POST上传文件并保存本地，python

import os

import uvicorn
from fastapi import FastAPI, File, UploadFile

app = FastAPI()


@app.post("/file/upload")
async def upload(file: UploadFile = File(...)):
    fn = file.filename
    save_path = f'./file/'
    if not os.path.exists(save_path):
        os.mkdir(save_path)

    save_file = os.path.join(save_path, fn)

    f = open(save_file, 'wb')
    data = await file.read()
    f.write(data)
    f.close()

    return {"msg": f'{fn}上传成功', 'length': len(data)}


if __name__ == '__main__':
    uvicorn.run(app=app, host="0.0.0.0", debug=True)