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....FIRST_LINE :只扩展第一行的高度。 LAST_LINE :只扩展最后一行的高度。 EACH_LINE :只扩展每一行的高度。...