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.... # 实例化表示 PPTX 的 Presentation 类 $pres = new...$y ); } } } finally { if ( ! java_is_null ( $pres )) { $pres ->...