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....UNICHAR 文本 :返回由给定数值引用的 Unicode 字符 UNICODE 文本 :返回与文本的第一个字符对应的数字(代码点)...