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....2 版本提供了对签名行的支持,以模拟 MS Excel 中等效的功能。这个版本已经暴露了SignatureLine类和Picture...//Access the first worksheet Worksheet worksheet = workbook . getWorksheets...