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.... get_Item ( 1 ) # 创建文本片段 text_fragment = Rjb :: import ( '...TextFragment ' ). new ( "main text" ) text_fragment . setPosition (...