Python条形码扫描器

pip install pyzbar opencv-python

import cv2
from pyzbar.pyzbar import decode

def decode_barcodes(frame):
    # 解码条形码和二维码
    barcodes = decode(frame)
    
    for barcode in barcodes:
        # 提取条形码数据
        barcode_data = barcode.data.decode("utf-8")
        barcode_type = barcode.type
        
        # 在图像上绘制条形码边界框和数据
        (x, y, w, h) = barcode.rect
        cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)
        text = "{} ({})".format(barcode_data, barcode_type)
        cv2.putText(frame, text, (x, y - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 2)
    
    return frame

def main():
    # 打开摄像头
    camera = cv2.VideoCapture(0)
    
    while True:
        # 读取摄像头帧
        ret, frame = camera.read()
        
        if not ret:
            break
        
        # 解码条形码
        frame = decode_barcodes(frame)
        
        # 显示结果
        cv2.imshow('Barcode/QR code reader', frame)
        
        # 按 'q' 键退出循环
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    
    # 释放摄像头并关闭窗口
    camera.release()
    cv2.destroyAllWindows()

if __name__ == "__main__":
    main()

python barcode_scanner.py