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....; //Create an instance of Workbook from a existing spreadsheet...book = new Workbook ( filePath , options ); 直接将图表转换为PDF Aspose.Cells...