NPIO 1.2.5源码包，NPOI 是 POI 项目的 .NET 版本。POI是一个开源的Java读写Excel、WORD等微软OLE2组件文档的项目。-1.2.5 NPIO source package, POI is the.NET version of the NPOI project. POI is an open source Java read and write Excel, WORD and other Microso

官网下载的dll文件 据说是最好的开源dll文件(The DLL file downloaded from official website is said to be the best open source DLL file.)