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 ); $document -> getPageInfo...() -> setWidth ( 612.0 ); $document -> getPageInfo () -> setHeight...