https://blog.csdn.net/jin_kwok/article/category/7611165
https://blog.csdn.net/jcodeer/article/category/339279
https://blog.csdn.net/sinat_41104353/article/category/7432514
http://effbot.org/tkinterbook/entry.htm
http://infohost.nmt.edu/tcc/help/pubs/tkinter/web/index.html
Python2.7.3 Tkinter Entry(文本框) 说明
https://www.cnblogs.com/onlyfu/archive/2013/03/07/2947473.html
在这里把Python的标准GUI:Tkinter的组件做了个汇总
鱼c笔记——Python tkinter
