Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....xls" ); NPOI - HSSF XSSF - 在工作表中隐藏行和列...@"HidingRowsandColumn(NPOI).xls" , FileMode . Create ); hssfworkbook...