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.... Document ' ). new ( data_dir + ' input1...PDF 中插入空白页 pdf . getPages (). insert ( 1 ) # 保存连接后的输出文件 ( 目标文档 )...