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....Slides for Android via Java 现在支持指定圆环图中孔的大小。在本主题中,我们将通过示例查看如何指定圆环图中孔的大小。...if ( pres != null ) pres . dispose (); } 饼图 树图和日晕图的数据点...