jfreechart饼图例子

import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartFrame; import org.jfree.chart.JFreeChart; import org.jfree.data.general.DefaultPieDataset; /** * 实现饼型图形 * * @Project: jfreechart * @File: JFreeChartTest.java * @author: yulei * @Date: 2014-2-25 下午11:01:53 * @Copyright: 2014 yulei Inc. All rights reserved. */ public class JFreeChartTest { public static void main(String[] args) { DefaultPieDataset dpd = new DefaultPieDataset(); // 创建关于饼图的数据集对象 dpd.setValue("group1", 25); dpd.setValue("group2", 25); dpd.setValue("group3", 45); dpd.setValue("group4", 10); // 由工厂类创建一个JfreeChart对象 JFreeChart chart = ChartFactory.createPieChart3D("groups finished", dpd, true, true, false); // 创建ChartFrame对象 ChartFrame chartFrame = new ChartFrame("show result", chart); chartFrame.pack(); chartFrame.setVisible(true); } }