此文件夹有两种代码 一为普通方法叠加 得出第n个斐波那契数 另一个用递归的方式得出-This folder there are two kinds of code to a draw for the general method of superposition of the first n-Fibonacci another way to draw recursive

对文件夹和文件进行替换更名，过程使用到了递归方法，封装了获取指定文件夹方法，更名方法等。-Folders and files to be replaced renamed procedure uses the recursive method, encapsulates the methods to obtain the specified folder, rename methods.