Qt例子学习笔记 - Examples/Qt-6.2.0/charts/donutbreakdown
//创建甜甜圈细分图表//让我们首先为图表定义一些数据。QPieSeries*series1=newQPieSerise();series1->setName("Fossilfuels");series1->append("Oil",353295);series1->append("Coal",188500);series1->append("Naturelgas",148680);series1