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....Contents [ Hide ] 要打开现有的 Microsoft Excel 文件,请保护工作簿的结构和 Windows 属性,并保存文件。...object. Excel . Application excelApp = Application ; //Excel.Application...