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.... 通过 Presentation.save 方法,我们可以以相同格式保存演示文稿...get_Item ( 0 )); Presentation pres = new Presentation ( "input.pptx"...