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 //Instantiating a Workbook object...下面的示例显示了如何使用 Apache POI API 插入注释。 Java Workbook wb = new XSSFWorkbook...