C# 对excel操作的方法，可以学习到如何对office的excel进行单元格的设置-C# excel operation of the method, you can learn how to excel on the office of the set of cells

纯c写的一篇基于文件操作的通讯录，能学的如何操作文件-Pure c write a file operations based on the address book, can learn how to operate file