C语言是面向过程的语言，编写的程序干净利落，但是有时候我们还是需要面向对象的，又不想使用C++这种冗杂的语言，可以使用C语言实现面向对象框架(C language is a process oriented programming language, but sometimes we still need to be smooth and clean, object oriented, and do not want to use C++ this miscellaneous language,