准备做一个软件，取名叫做charshow，意思是“字符秀”；
为什么取这个名字呢？先说期待他的功能：
一句话： 该你在软件上所画的图形转化成字符文件；
为什么希望有这样的功能呢？
一般源程序文件只包含源代码（废话），如果希望方便代码的理解，一般还会写些注释什么的在源代码中，但注释，由于源程序文件是字符文件的限制，所以注释也一般是文字描述；
但我们知道，有一图胜千言的说法，特别是在我们的程序里面，模块图，时序图等这些图，在合适的时机出现，会非常能够方便对与代码的理解；
那什么时候是最合适的时候呢？当然是在源代码中，跟着走，至少我认为；
so，问题就在于怎么将这些“图”放到源代码中呢，还要特别的方便，因为，你实在要用字符画个图，还是可以的？
so，我希望charshow能够满足这个需求=====》“方便的画字符图”；
下面是一个流程图，哈哈，用字符画的，希望charshow能够方便的做到：
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