jfreechart柱状图

package com.epro.jfreechart.example;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.DefaultPieDataset;

public class CreatePieChartTest {
public static void main(String[] args) {
// 准备饼图数据集
DefaultPieDataset dpd = new DefaultPieDataset();

dpd.setValue("Chinese", 108);
dpd.setValue("Math", 110);
dpd.setValue("English", 74);
dpd.setValue("Science Department", 226);
/**
* 利用chart工厂产生JFreeChart对象
* createPieChart四个参数 饼图标题,数据集,是否产生图注,鼠标移上去是否产生相应的提示信息、locale - the locale (null not permitted).
*/
JFreeChart jfreechart = ChartFactory.createPieChart("bulktree high-tech achievement", dpd,
true, true, false);

// 产生3d饼图
// JFreeChart jfreechart = ChartFactory.createPieChart3D("bulktree high-tech achievement", dpd,
// true, true, false);

ChartFrame frame = new ChartFrame("BULKTREE HIGH-TECH ACHIEVEMENT", jfreechart);

frame.pack();
frame.setVisible(true);
}
}