饼形图

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Jfree.java

package pie;

import java.awt.Font;
import java.awt.RenderingHints;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.ui.RefineryUtilities;

public class Jfree {

	public static void createPieChart() {
		// 通过工程创建3D饼图
		JFreeChart pieChart = ChartFactory.createPieChart("最受欢迎的偶像剧2008-2010",
				createDataset(), true, true, false);
		pieChart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,
				RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
		// 得到3D饼图的plot对象
		PiePlot piePlot = (PiePlot) pieChart.getPlot();
		// 设置透明度
		piePlot.setForegroundAlpha(0.5f);
		piePlot.setLabelFont((new Font("宋体", Font.PLAIN, 12)));
		// 设置标题字体
		pieChart.getTitle().setFont(new Font("隶书", Font.BOLD, 20));
		// 设置图例类别字体
		pieChart.getLegend().setItemFont(new Font("宋体", Font.BOLD, 14));
		ChartFrame frame = new ChartFrame("TestPieChart", pieChart);
		frame.pack();
		RefineryUtilities.centerFrameOnScreen(frame);
		frame.setVisible(true);

	}

	public static DefaultPieDataset createDataset() {
		DefaultPieDataset pieDataset = new DefaultPieDataset();
		pieDataset.setValue("霹雳MIT", 2.80);
		pieDataset.setValue("桃花爱无敌", 3.63);
		pieDataset.setValue("恶作剧之吻 ", 2.84);
		return pieDataset;
	}

	public static void main(String[] args) {
		createPieChart();
	}
}

3d效果的显示

package pie;

import java.awt.Font;
import java.awt.RenderingHints;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.ui.RefineryUtilities;

public class Jfree {

	public static void createPieChart() {
		// 通过工程创建3D饼图
		JFreeChart pieChart = ChartFactory.createPieChart3D(
				"最受欢迎的偶像剧2008-2010", createDataset(), true, true, false);
		pieChart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,
				RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
		// 得到3D饼图的plot对象
		PiePlot3D piePlot = (PiePlot3D) pieChart.getPlot();
		// 设置透明度
		piePlot.setForegroundAlpha(0.5f);
		piePlot.setLabelFont((new Font("宋体", Font.PLAIN, 12)));
		// 设置标题字体
		pieChart.getTitle().setFont(new Font("隶书", Font.BOLD, 20));
		// 设置图例类别字体
		pieChart.getLegend().setItemFont(new Font("宋体", Font.BOLD, 14));
		ChartFrame frame = new ChartFrame("TestPieChart", pieChart);
		frame.pack();
		RefineryUtilities.centerFrameOnScreen(frame);
		frame.setVisible(true);

	}

	public static DefaultPieDataset createDataset() {
		DefaultPieDataset pieDataset = new DefaultPieDataset();
		pieDataset.setValue("霹雳MIT", 2.80);
		pieDataset.setValue("桃花爱无敌", 3.63);
		pieDataset.setValue("恶作剧之吻 ", 2.84);
		return pieDataset;
	}

	public static void main(String[] args) {
		createPieChart();
	}
}