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....以下示例代码演示了如何获取有效值: $pres = new Presentation ( "Presentation1.pptx" );...以下示例代码展示了如何获取相机的有效属性: $pres = new Presentation ( "Presentation1.pptx" );...