fastapi接收图片文件

#api接口，主函数
import base64
import io
import cv2
import os
import time
from PIL import Image
import numpy as np
from fastapi import FastAPI,HTTPException
import uvicorn

app = FastAPI()

#############################################
# @app.post("/uploadfile/")
# async def create_upload_file(file: UploadFile = File(...)):
#     contents = await file.read()
#     return {"filename": file.filename, "contents": contents}

@app.post("/upload_image")
async def upload_image(file: UploadFile):
    if not file:
        raise HTTPException(status_code=400, detail="没有收到图片文件")   
    image = await file.read() 
    try:
        # 将图片转换为base64编码
        image_base64 = base64.b64encode(image).decode('utf-8')
        
        # 将base64编码的图片解码为原始图像
        image_array = np.frombuffer(base64.b64decode(image_base64), dtype=np.uint8)
        image = cv2.imdecode(image_array, cv2.IMREAD_COLOR)
        
        # 保存图像到临时文件
        cv2.imwrite("temp.jpg", image)
        img_path = "temp.jpg"
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))
    
    return {"image_path": img_path}
@app.get("/")
async def read_root():
    return {"Hello": "World"}

if __name__ == '__main__':
    uvicorn.run(app, host="192.168.0.1", port=int("8000"))