1.链接

https://www.cnblogs.com/hupeng1234/p/7136442.html Python验证码识别 安装Pillow、tesseract-ocr与pytesseract模块的安装以及错误解决

https://www.cnblogs.com/beer/p/5672678.html 字符型图片验证码识别完整过程及Python实现