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.... Java Workbook book = new Workbook ( "sample.xlsx"...后保存了工作簿文件。 Java Workbook book = new Workbook ( "sample.xlsx"...