提交代码

Author: cxhuan

xianhuan/README.md

@@ -10,6 +10,8 @@ Python技术 公众号文章代码库
 
 ## 实例代码
 
+[一行代码，生成和读取二维码！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/qrcode)：一行代码，生成和读取二维码！
+
 [用 Python 写最简单的摸鱼监控进程，你会吗？](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/monitor)：用 Python 写最简单的摸鱼监控进程，你会吗？
 
 [用Python对摩斯密码加解密！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/morse)： 用Python对摩斯密码加解密！

xianhuan/qrcode/qrcodedemo.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@author: 闲欢
+"""
+import qrcode
+import cv2
+
+img = qrcode.make('https://www.zhihu.com/people/wu-huan-bu-san')
+img.save('./pic.jpg')
+
+d = cv2.QRCodeDetector()
+val, _, _ = d.detectAndDecode(cv2.imread("pic.jpg"))
+print("Decoded text is: ", val)
+