JChartFree创建饼形图

代码如下

import java.awt.Font;
import java.io.File;
import java.io.IOException;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.general.DefaultPieDataset;


public class Pie {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        DefaultPieDataset dataset=new DefaultPieDataset();
        dataset.setValue(" market", new Double(10)); 
        dataset.setValue(" 立项", new Double(15)); 
        dataset.setValue(" 计划", new Double(10)); 
        dataset.setValue(" 需求与设计", new Double(10)); 
        dataset.setValue(" 执行控制", new Double(35)); 
        dataset.setValue(" 收尾", new Double(10)); 
        dataset.setValue(" 运维",new Double(10));
        //创建主题样式         
        StandardChartTheme standardChartTheme=new StandardChartTheme("CN");        
        //设置标题字体         
        standardChartTheme.setExtraLargeFont(new Font("隶书",Font.BOLD,20));        
        //设置图例的字体        
        standardChartTheme.setRegularFont(new Font("宋书",Font.PLAIN,15));        
        //设置轴向的字体       
        standardChartTheme.setLargeFont(new Font("宋书",Font.PLAIN,15));        
        //应用主题样式      
        ChartFactory.setChartTheme(standardChartTheme);  
        JFreeChart chart=ChartFactory.createPieChart("chinest",  dataset, true, false, false);

        try {
            ChartUtilities.saveChartAsPNG(new File("E:/chart/BarChart3D.png"), chart, 500, 500);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        ChartFrame ChartFrame = new ChartFrame("水果产量图",chart);
        ChartFrame.pack();
        //ChartFrame.setFont(new Font("宋体",Font.BOLD,20));
        ChartFrame.setVisible(true);
        System.out.println("绘图完成"); 

    }

}