pyhon下学习PIL（pillow）函数学习汇总*

https://wenku.baidu.com/view/1cdb340b3a3567ec102de2bd960590c69ec3d8b8.html

https://blog.youkuaiyun.com/louishao/article/details/69879981

https://www.cnblogs.com/jeffkuang/articles/4859158.html

https://blog.youkuaiyun.com/column/details/pythonpil.html

https://blog.youkuaiyun.com/qq_32506555/article/details/74911271

https://www.urlteam.org/2017/07/python-image-%E5%BA%93%EF%BC%88pil%EF%BC%89%E5%B8%B8%E7%94%A8%E6%93%8D%E4%BD%9C%E5%87%BD%E6%95%B0/