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.... 实例化 Presentation 类对象。 在幻灯片上添加图表。 设置图表表格。...= System :: MakeObject < Presentation > ( u "test.pptx" ); auto...