jfreechart画饼形图swing形式的
package com.wkx.jfreechart;import java.awt.Color;import java.awt.Dimension;import java.awt.Font;import java.util.Random;import javax.swing.JPanel;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartPanel;import org.jfree.chart.JFreeChart;import org.jfree.chart.plot.PiePlot;import org.jfree.chart.title.LegendTitle;import org.jfree.chart.title.TextTitle;import org.jfree.chart.urls.StandardPieURLGenerator;import org.jfree.data.general.DefaultPieDataset;import org.jfree.data.general.PieDataset;import org.jfree.ui.ApplicationFrame;import org.jfree.ui.RefineryUtilities;public class MyPieChartTest extends ApplicationFrame {//private String[] engStr={"One","Two","Three","Four","Five","Six","Seven","eight","Nine","Ten"};private String[] cheStr={"第一","第二","第三","第四","第五","第六","第七","第八","第九","第十"};public MyPieChartTest(String title) {super(title);JFreeChart pieChart = createChart(createDataSet());JPanel localPanel = new ChartPanel(pieChart);localPanel.setPreferredSize(new Dimension(500,270));setContentPane(localPanel);}public static void main(String[] args) {MyPieChartTest pieChartTest = new MyPieChartTest("饼形图测试");pieChartTest.pack(); RefineryUtilities.centerFrameOnScreen(pieChartTest); pieChartTest.setVisible(true);}public PieDataset createDataSet(){DefaultPieDataset dataset = new DefaultPieDataset();Random r = new Random();for(int i=0;i<cheStr.length;i++){dataset.setValue(cheStr[i], r.nextDouble()*10);}return dataset;}public JFreeChart createChart(PieDataset dataset){//创建绘图区JFreeChart pieChart = ChartFactory.createPieChart("测试饼形图", dataset, true, true, true);//设置绘图区背景色pieChart.setBackgroundPaint(Color.PINK);//获取图片标题TextTitle title = pieChart.getTitle();//设置标题样式title.setFont(new Font("黑体", Font.PLAIN, 20));//设置鼠标悬浮字title.setToolTipText("这是我的测试饼形图。");//获取绘图区PiePlot plot = (PiePlot)pieChart.getPlot();//设置没有数据时显示的消息plot.setNoDataMessage("没有数据。");//设置没有数据时显示消息的字体plot.setNoDataMessageFont(new Font("黑体",Font.PLAIN,20));//设置图片超链接plot.setURLGenerator(new StandardPieURLGenerator("http://wenkaixuan.iteye.com"));//设置内容字体plot.setLabelFont(new Font("宋体",Font.PLAIN,14));//获取绘图区底部标签LegendTitle legTitle = pieChart.getLegend();//设置底部标签字体legTitle.setItemFont(new Font("黑体",Font.PLAIN,14));return pieChart;}}?