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.... // 打开文档 $document = new Document ( $inputFile ); // 向文档对象添加新页面...BackgroundArtifact 对象 $background = new BackgroundArtifact (); // 为 backgroundArtifact...