JFreeChart

1，柱状图

package xu.chart.demo;

import java.awt.Font;
import java.io.FileOutputStream;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer3D;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.ui.TextAnchor;

public class BarSimple1 {
	public static void main( String[] args ){
//		double[][] data = new double[][] {{1310}, {720}, {1130}, {440}};
//		String[] rowKeys = {"猪肉", "牛肉","鸡肉", "鱼肉"};
//		String[] columnKeys = {""};
		
		double[][] data = new double[][] {{1310, 1220, 1110, 1000},
				{720, 700, 680, 640},
				{1130, 1020, 980, 800},
				{440, 400, 360, 300}};
		String[] rowKeys = {"猪肉", "牛肉","鸡肉", "鱼肉"};
		String[] columnKeys = {"广州", "深圳", "东莞", "佛山"};
		CategoryDataset dataset = DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);
		
		
		JFreeChart chart = ChartFactory.createBarChart3D("广州肉类销量统计图",
			"肉类",
			"销量",
			dataset,
			PlotOrientation.VERTICAL,
			true,
			false,
			false
		);
		
		/*---------------------------设置字体：防口字乱码----------------------------------*/
		//设置字体:线条或者柱状的说明....................栏
		Font font1 = new Font("SimSun",10,20);
//		chart.getLegend().setItemFont(font1);
		//设置字体:标题
		TextTitle title = new TextTitle("广州肉类销量统计图"); 
		title.setFont(font1);  
		chart.setTitle(title); 
		
		CategoryPlot plot = chart.getCategoryPlot();//获得图表区域对象
	    CategoryAxis domainAxis = plot.getDomainAxis();
	    domainAxis.setVisible(true);
        plot.setDomainAxis(domainAxis);
        ValueAxis rAxis = plot.getRangeAxis();
        /*------设置X轴坐标上的文字-----------*/
        domainAxis.setTickLabelFont(new Font("宋体",Font.PLAIN,15));
        /*------设置X轴的标题文字------------*/
        domainAxis.setLabelFont(new Font("宋体",Font.PLAIN,15));        
        /*------设置Y轴坐标上的文字-----------*/
        rAxis.setTickLabelFont(new Font("宋体",Font.PLAIN,15));
        /*------设置Y轴的标题文字------------*/
        rAxis.setLabelFont(new Font("黑体",Font.PLAIN,15)); 
        /*---------------------------设置字体：防口字乱码----------------------------------*/
        
		//显示每个柱的数值，并修改该数值的字体属性
		BarRenderer3D renderer = new BarRenderer3D();
		renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
		renderer.setBaseItemLabelsVisible(true);
		renderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));
		renderer.setItemLabelAnchorOffset(10D);	//将显示的数值位置抬高一点
		//设置每个地区所包含的平行柱的之间距离
		renderer.setItemMargin(0.3);
		
		
		//设置地区、销量的显示位置
		//将下方的“肉类”放到上方
		plot.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);
		//将默认放在左边的“销量”放到右方
		plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
		plot.setRenderer(renderer);
        
		FileOutputStream fos_jpg = null; 
		try { 
			fos_jpg=new FileOutputStream("D:\\simple1.jpg"); 
			ChartUtilities.writeChartAsJPEG(fos_jpg,1,chart,640,480,null); 
			fos_jpg.close(); 
		} catch (Exception e) {
			e.printStackTrace();
		} 
	}
	

}

 

 

2，饼状图

package xu.chart.demo;

import java.awt.Font;
import java.io.FileOutputStream;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.util.Rotation;


public class PieSimple1 {

	public static void main( String[] args ){
		DefaultPieDataset dataset = new DefaultPieDataset();
		dataset.setValue("初中高级程序员", 0.55);
		dataset.setValue("项目经理", 0.1);
		dataset.setValue("系统分析师", 0.1);
		dataset.setValue("软件架构师", 0.1);
		dataset.setValue("其他", 0.2);
		//通过工厂类生成JFreeChart对象
		JFreeChart chart = ChartFactory.createPieChart3D("IT行业职业分布图", dataset, true, false, false);
		
		PiePlot pieplot = (PiePlot) chart.getPlot();
		
		//没有数据的时候显示的内容
		pieplot.setNoDataMessage("无数据显示");
		pieplot.setCircular(false);
		
		/*------------------------透明处理---------------------------*/
		//设置开始角度
		pieplot.setStartAngle(150D);
//		//设置方向为”顺时针方向“
		pieplot.setDirection(Rotation.CLOCKWISE);
		pieplot.setLabelGap(0.02D);
		//设置透明度，0.5F为半透明，1为不透明，0为全透明
		pieplot.setForegroundAlpha(0.5F);
		/*------------------------透明处理-----------------------*/
		
		//显示：饼图的数值
		//其中new StandardPieSectionLabelGenerator(
		//("{0}: ({1}，{2})"), NumberFormat.getNumberInstance(),
		//new DecimalFormat("0.00%"))
		//    的("{0}: ({1}，{2})")是生成的格式，{0}表示section名，{1}表示section的值，{2}表示百分比。可以自定义。而new DecimalFormat("0.00%")表示小数点后保留两位。 
		pieplot.setLabelGenerator(new StandardPieSectionLabelGenerator(
				("{0}: ({2})"), NumberFormat.getNumberInstance(),
				new DecimalFormat("0.00%")));
		
		/*---------------------------设置字体：防口字乱码----------------------------------*/
		
		//设置字体:图形中的字体
		pieplot.setLabelFont(new Font("宋体", 0, 12));
		
		//设置字体:最底下一栏
		Font font1 = new Font("宋体", 0, 12);
		chart.getLegend().setItemFont(font1);
		//设置字体:标题
		TextTitle title = new TextTitle("IT行业职业分布图"); 
		title.setFont(font1);
		chart.setTitle(title); 
        /*---------------------------设置字体：防口字乱码----------------------------------*/
        

		FileOutputStream fos_jpg = null; 
		try { 
			fos_jpg=new FileOutputStream("D:\\PIEsimple1.jpg"); 
			ChartUtilities.writeChartAsJPEG(fos_jpg,1,chart,500,300,null); 
			fos_jpg.close(); 
		} catch (Exception e) {
			e.printStackTrace();
		} 
	}

}

 

3，时序图

 

//设置X轴时间显示方式

dateaxis.setTickUnit(new DateTickUnit(DateTickUnitType.MONTH, 1, new SimpleDateFormat("MM-yyyy")));

 

package xu.chart.demo;

import java.awt.Color;
import java.awt.Font;
import java.io.FileOutputStream;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Day;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.ui.RectangleInsets;
import org.jfree.ui.TextAnchor;

public class LineSimple {
	public static void main( String[] args ){
		//访问量统计时间线
		TimeSeries timeSeries = new TimeSeries("阿蜜果blog访问量统计", Day.class);
		TimeSeries timeSeries2006 = new TimeSeries("2006年度", Month.class);
		TimeSeries timeSeries2007 = new TimeSeries("2007年度", Month.class);

		//时间曲线数据集合
		TimeSeriesCollection lineDataset = new TimeSeriesCollection();

		//构造数据集合
		timeSeries.add(new Month(1, 2007), 11200);
		timeSeries.add(new Month(2, 2007), 9000);
		timeSeries.add(new Month(3, 2007), 6200);
		timeSeries.add(new Month(4, 2007), 8200);
		timeSeries.add(new Month(5, 2007), 8200);
		timeSeries.add(new Month(6, 2007), 12200);
		timeSeries.add(new Month(7, 2007), 13200);
		timeSeries.add(new Month(8, 2007), 8300);
		timeSeries.add(new Month(9, 2007), 12400);
		timeSeries.add(new Month(10, 2007), 12500);
		timeSeries.add(new Month(11, 2007), 13600);
		timeSeries.add(new Month(12, 2007), 12500);
		 
		//构造数据集合
		timeSeries2006.add(new Month(1, 2007), 7200);
		timeSeries2006.add(new Month(2, 2007), 7000);
		timeSeries2006.add(new Month(3, 2007), 4200);
		timeSeries2006.add(new Month(4, 2007), 8200);
		timeSeries2006.add(new Month(5, 2007), 7300);
		timeSeries2006.add(new Month(6, 2007), 8200);
		timeSeries2006.add(new Month(7, 2007), 9200);
		timeSeries2006.add(new Month(8, 2007), 7300);
		timeSeries2006.add(new Month(9, 2007), 9400);
		timeSeries2006.add(new Month(10, 2007), 7500);
		timeSeries2006.add(new Month(11, 2007), 6600);
		timeSeries2006.add(new Month(12, 2007), 3500);
		 
		timeSeries2007.add(new Month(1, 2007), 10200);
		timeSeries2007.add(new Month(2, 2007), 9000);
		timeSeries2007.add(new Month(3, 2007), 6200);
		timeSeries2007.add(new Month(4, 2007), 8200);
		timeSeries2007.add(new Month(5, 2007), 8200);
		timeSeries2007.add(new Month(6, 2007), 11200);
		timeSeries2007.add(new Month(7, 2007), 13200);
		timeSeries2007.add(new Month(8, 2007), 8300);
		timeSeries2007.add(new Month(9, 2007), 10400);
		timeSeries2007.add(new Month(10, 2007), 12500);
		timeSeries2007.add(new Month(11, 2007), 10600);
		timeSeries2007.add(new Month(12, 2007), 10500);

		
		lineDataset.addSeries(timeSeries);
		lineDataset.addSeries(timeSeries2006);
		lineDataset.addSeries(timeSeries2007);

		
		JFreeChart chart = ChartFactory.createTimeSeriesChart("访问量统计时间线", "月份", "访问量", lineDataset, true, true, true);
		 
		XYPlot plot = (XYPlot) chart.getPlot();
		XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer();
		//设置网格背景颜色
		plot.setBackgroundPaint(Color.white);
		//设置网格竖线颜色
		plot.setDomainGridlinePaint(Color.pink);
		//设置网格横线颜色
		plot.setRangeGridlinePaint(Color.pink);
		//设置曲线图与xy轴的距离
		plot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 10D));
		//设置曲线是否显示数据点
		xylineandshaperenderer.setBaseShapesVisible(true);
		//设置曲线显示各数据点的值
		XYItemRenderer xyitem = plot.getRenderer();   
		xyitem.setBaseItemLabelsVisible(true);   
		xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));
		xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
		xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14));
		plot.setRenderer(xyitem);

		
		/*---------------------------设置字体：防口字乱码----------------------------------*/
	    ValueAxis domainAxis = plot.getDomainAxis();
	    domainAxis.setVisible(true);
        plot.setDomainAxis(domainAxis);
        ValueAxis rAxis = plot.getRangeAxis();
        /*------设置X轴坐标上的文字-----------*/
        domainAxis.setTickLabelFont(new Font("宋体",Font.PLAIN,15));
        /*------设置X轴的标题文字------------*/
        domainAxis.setLabelFont(new Font("宋体",Font.PLAIN,15));        
        /*------设置Y轴坐标上的文字-----------*/
        rAxis.setTickLabelFont(new Font("宋体",Font.PLAIN,15));
        /*------设置Y轴的标题文字------------*/
        rAxis.setLabelFont(new Font("黑体",Font.PLAIN,15)); 
		
		//设置字体:线条或者柱状的说明....................
		Font font1 = new Font("宋体",Font.PLAIN,15);
		chart.getLegend().setItemFont(font1);
		//设置子标题
		TextTitle subtitle = new TextTitle("2006/2007年度访问量对比", new Font("黑体", Font.BOLD, 12));
		chart.addSubtitle(subtitle);
		//设置主标题
		chart.setTitle(new TextTitle("阿蜜果blog访问量统计", new Font("隶书", Font.ITALIC, 15)));
		chart.setAntiAlias(true);
		/*---------------------------设置字体：防口字乱码----------------------------------*/
		
		
		
		FileOutputStream fos_jpg = null; 
		try { 
			fos_jpg=new FileOutputStream("D:\\Linesimple1.jpg"); 
			ChartUtilities.writeChartAsJPEG(fos_jpg,1,chart,640,480,null); 
			fos_jpg.close(); 
		} catch (Exception e) {
			e.printStackTrace();
		} 

	}
}

评论

2 楼 hnzhangshi 2010-03-24  

非常完整，学习了！

1 楼 xuganggogo 2009-08-10  

		JFreeChart chart = ChartFactory.createBarChart3D(
							"水果产量图", // 图表标题
							"水果", // 目录轴的显示标签
							"产量", // 数值轴的显示标签
							dataset, // 数据集
							PlotOrientation.VERTICAL, // 图表方向：水平、垂直
							true, 	// 是否显示图例(对于简单的柱状图必须是false)
							false, 	// 是否生成工具
							false 	// 是否生成URL链接
							);