app.py

import gradio as gr
from PIL import Image
import cv2

def capture_image():
    # 打开摄像头
    cap = cv2.VideoCapture(0)
    ret, frame = cap.read()
    if ret:
        # 将BGR图像转换为RGB图像
        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
        # 转换为Pillow图像
        img = Image.fromarray(frame)
        cap.release()
        return img
    else:
        cap.release()
        return "无法打开摄像头"

# 创建gradio接口
with gr.Blocks() as demo:
    webcam_image = gr.Image(label="摄像头拍摄的图片")
    capture_button = gr.Button("拍照")
    
    capture_button.click(capture_image, outputs=webcam_image)

# 启动gradio界面
demo.launch()