windows自身并无关于Excel的直接的操作，造成我们去写的时候，要进行大量的全用API编写，本类可以简单调用，完成基本的需求，但对中文的支持不是很好。-There are no windows in Excel' s own direct manipulation, causing us to write, to conduct a large number of full-API is prepared, you can simply call the class, complete the basic needs, but the support is not very good for the Chinese.