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_contents(start_index, count) 方法 FolderInfo 类。它接受两个参数: start_index - 起始邮件的编号,例如第10封;...messages starting from 10th index top and extract total 100 messages...