下列Python代码可以生成二维码。

import qrcode
import os


def share_qrcode(url="12345"):
    img = qrcode.make(url)
    base_path = os.path.abspath(os.path.dirname(__file__))
    img_path = base_path+'/'+'share_qrcode.jpg'
    with open(img_path, 'wb') as f:
        img.save(f)
    img.show()


url = input("Please input url(网址要输入http://): ")
share_qrcode(url)