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....pptx" , SaveFormat :: Pptx ); } finally { if...删除默认生成的系列和类别。 添加新类别。 添加新系列。 将修改后的演示文稿写入PPTX文件。 # 创建Presentation类的实例 $pres...