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....VCardSaveOptions 对象的 preferred_text_encoding 属性设置为 "utf-8"。以下代码片段展示如何在项目中实现此功能:...() options . preferred_text_encoding = "utf-8" contact . save (...