该源码为通过COM方式实现对EXCEL的一些常用操作，比如一般的对指定单元格或区域的读写功能，设定单元格的格式，行列操作等，均已封装好函数-The source code for the realization of some common operations on EXCEL by COM methods, such as the average read and write functions specified cell or area, set the cell format, the