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....xlsx" ); // Open the template workbook...join ( dataDir , "PageSetup_out.xlsx" )); 设置打印选项 页面设置还提供了几个打印选项(...