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....、联系人等),请使用 get_total_items_count() 方法 MessageStore 类。它提供了一种便..."my.pst" ) count = pst . store . get_total_items_count () 提取特定数量的邮件...