jFreechart三种图的测试代码

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Java EE

jfreechart 中国电信中国移动电信 UI

Jfreechart的最新版本，对于中文默认是不支持的，因为默认的font为英文的，所以需要单独设置。以前一直诟病于jfreechart的生成的图形颜色不好看，图片不清晰，现在新版本已经好了很多了，至于图形的颜色，可以自定义。

三种常见的图代码。

/**
 * copyRight vaalhaai.com
 */
package com.vaalhaai.framework.report.chart;

import java.awt.Color;
import java.awt.Font;
import java.awt.FontFormatException;
import java.io.IOException;
import java.text.NumberFormat;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryAxis3D;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.NumberAxis3D;
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.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.ui.TextAnchor;

/**
 * @author Jimmy.Shine 2010-5-9
 * 
 */
public class ChartTest {

	/**
	 * @param args
	 * @throws IOException
	 * @throws FontFormatException
	 */
	public static void main(String[] args) throws FontFormatException, IOException {
	//	pie3D();
	//	bar3D();
		line();
	}
	
	public static void pie3D(){

		DefaultPieDataset dataset = new DefaultPieDataset();
		dataset.setValue("中国电信", 30);
		dataset.setValue("中国移动", 60);
		dataset.setValue("中国联通", 10);
		dataset.setValue("固定电话", 40);
		dataset.setValue("其它", 20);

		JFreeChart chart = ChartFactory.createPieChart3D("通信分布饼图", dataset, true, true, false);
		TextTitle title = chart.getTitle();
		title.setFont(new Font("黑体", Font.BOLD, 18));
		LegendTitle legendTitle = chart.getLegend();
		legendTitle.setItemFont(new Font("微软雅黑", Font.BOLD, 12));
		PiePlot3D plot = (PiePlot3D) chart.getPlot();
		plot.setLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		plot.setLabelBackgroundPaint(new Color(255, 255, 255));
		plot.setBackgroundPaint(new Color(255, 255, 255));
		plot.setOutlineVisible(true);
		plot.setBackgroundAlpha(0.75F);
		plot.setForegroundAlpha(0.80F);
		plot.setStartAngle(90);
		//int r = 61, g = 89, b = 171;
		int r = 20, g = 20, b = 20;
		int rStep = 30;
		int gStep = 30;
		int bStep = 30;
		plot.setSectionPaint("中国电信", new Color(r, g, b));
		r = (r + rStep > 255 ? r : r + rStep);
		g = (g + gStep > 255 ? g : g + gStep);
		b = (b + bStep > 255 ? b : b + bStep);
		plot.setSectionPaint("中国移动", new Color(r, g, b));
		r = (r + rStep > 255 ? r : r + rStep);
		g = (g + gStep > 255 ? g : g + gStep);
		b = (b + bStep > 255 ? b : b + bStep);
		plot.setSectionPaint("中国联通", new Color(r, g, b));
		r = (r + rStep > 255 ? r : r + rStep);
		g = (g + gStep > 255 ? g : g + gStep);
		b = (b + bStep > 255 ? b : b + bStep);
		plot.setSectionPaint("固定电话", new Color(r, g, b));
		r = (r + rStep > 255 ? r : r + rStep);
		g = (g + gStep > 255 ? g : g + gStep);
		b = (b + bStep > 255 ? b : b + bStep);
		plot.setSectionPaint("其它", new Color(r, g, b));

		plot.setDarkerSides(true);
		plot.setShadowPaint(new Color(0, 0, 255));

		plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0}({2})"));
		plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator("{0}({1}/{3}={2})"));
		// plot.setExplodePercent("中国电信", 0.3F);
		// plot.setExplodePercent("中国移动", 0.3F);
		// plot.setExplodePercent("中国联通", 0.3F);
		// plot.setExplodePercent("固定电话", 0.3F);
		
		ChartFrame frame = new ChartFrame("通信 ", chart);
		frame.pack();
		frame.setVisible(true);
	}
	
	public static void bar3D(){
		DefaultCategoryDataset dataset = new DefaultCategoryDataset();
		dataset.addValue(30, "移动通信", "中国电信");
		dataset.addValue(60, "移动通信", "中国移动");
		dataset.addValue(10, "移动通信", "中国联通");
		dataset.addValue(40, "固定通信", "中国电信");
		dataset.addValue(-10, "固定通信", "中国移动");
		dataset.addValue(20, "固定通信", "中国联通");
		

		JFreeChart chart = ChartFactory.createBarChart3D("通信分布柱状图", "类别", "值", dataset,PlotOrientation.VERTICAL, true, true, false);
		TextTitle title = chart.getTitle();
		title.setFont(new Font("黑体", Font.BOLD, 18));
		LegendTitle legendTitle = chart.getLegend();
		legendTitle.setItemFont(new Font("微软雅黑", Font.BOLD, 12));
		CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setBackgroundPaint(new Color(255, 255, 255));
		plot.setOutlineVisible(true);
		plot.setBackgroundAlpha(0.75F);
		plot.setForegroundAlpha(0.80F);
		plot.setRangeGridlinesVisible(true);
		plot.setRangeGridlinePaint(Color.GRAY);
		
		CategoryAxis3D xAxis = (CategoryAxis3D) plot.getDomainAxis();
		xAxis.setLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		xAxis.setTickLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		
		ValueAxis yAxis = plot.getRangeAxis();
		yAxis.setLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		yAxis.setTickLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		
		BarRenderer render = (BarRenderer) plot.getRenderer();
		render.setBaseItemLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		render.setBaseLegendTextFont(new Font("微软雅黑", Font.BOLD, 12));
		render.setMaximumBarWidth(0.1F);
		render.setItemMargin(0.0F);
		render.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{3}",NumberFormat.getInstance()));
		render.setBaseItemLabelsVisible(true);
		render.setItemLabelAnchorOffset(8);
		render.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,TextAnchor.BASELINE_LEFT));
		render.setBaseNegativeItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,TextAnchor.BASELINE_LEFT));
/*
		ValueMarker marker = new ValueMarker(0.70, new Color(200, 200, 255), 
                new BasicStroke(1.0f), new Color(200, 200, 255), 
                new BasicStroke(1.0f), 1.0f);
		plot.addRangeMarker(marker);
*/	
  /*      GradientPaint gp0 = new GradientPaint(
                0.0f, 0.0f, Color.blue, 
                0.0f, 0.0f, new Color(0, 0, 64)
            );
            GradientPaint gp1 = new GradientPaint(
                0.0f, 0.0f, Color.green, 
                0.0f, 0.0f, new Color(0, 64, 0)
            );
            GradientPaint gp2 = new GradientPaint(
                0.0f, 0.0f, Color.red, 
                0.0f, 0.0f, new Color(64, 0, 0)
            );
            render.setSeriesPaint(0, gp0);
            render.setSeriesPaint(1, gp1);
            render.setSeriesPaint(2, gp2);
*/
		int r = 20, g = 20, b = 20;
		int rStep = 120;
		int gStep = 120;
		int bStep = 120;
		render.setSeriesPaint(0, new Color(r,g,b));
		r = (r + rStep > 255 ? r : r + rStep);
		g = (g + gStep > 255 ? g : g + gStep);
		b = (b + bStep > 255 ? b : b + bStep);		
		render.setSeriesPaint(1, new Color(r,g,b));


		
		ChartFrame frame = new ChartFrame("通信 ", chart);
		frame.pack();
		frame.setVisible(true);
	}

	public static void line(){
		DefaultCategoryDataset dataset = new DefaultCategoryDataset();
		dataset.addValue(30, "通信", "中国电信");
		dataset.addValue(60, "通信", "中国移动");
		dataset.addValue(10, "通信", "中国联通");
		dataset.addValue(40, "通信", "中国电信固话");
		dataset.addValue(10, "通信", "其它固话");
		dataset.addValue(20, "通信", "中国联通固话");

		dataset.addValue(30, "3G", "中国电信");
		dataset.addValue(50, "3G", "中国移动");
		dataset.addValue(20, "3G", "中国联通");
		dataset.addValue(50, "3G", "中国电信固话");
		dataset.addValue(30, "3G", "其它固话");
		dataset.addValue(20, "3G", "中国联通固话");

		JFreeChart chart = ChartFactory.createLineChart("通信分布线图", "类别", "值", dataset,PlotOrientation.VERTICAL, true, true, false);
		TextTitle title = chart.getTitle();
		title.setFont(new Font("黑体", Font.BOLD, 18));
		LegendTitle legendTitle = chart.getLegend();
		legendTitle.setItemFont(new Font("微软雅黑", Font.BOLD, 12));

		CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setBackgroundPaint(new Color(255, 255, 255));
		plot.setOutlineVisible(true);
		plot.setBackgroundAlpha(0.75F);
		plot.setForegroundAlpha(0.80F);
		plot.setRangeGridlinesVisible(true);
		plot.setRangeGridlinePaint(Color.GRAY);
		
		CategoryAxis xAxis = (CategoryAxis) plot.getDomainAxis();
		xAxis.setLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		xAxis.setTickLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		
		NumberAxis yAxis = (NumberAxis)plot.getRangeAxis();
		yAxis.setLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		yAxis.setTickLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		yAxis.setStandardTickUnits(NumberAxis3D.createIntegerTickUnits());
		
		LineAndShapeRenderer render = (LineAndShapeRenderer) plot.getRenderer();
		render.setBaseItemLabelFont(new Font("微软雅黑", Font.PLAIN, 12));
		render.setBaseLegendTextFont(new Font("微软雅黑", Font.BOLD, 12));
		render.setItemMargin(0.0F);
		render.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}",NumberFormat.getInstance()));
		render.setBaseItemLabelsVisible(true);
		render.setBaseLinesVisible(true);
		render.setBaseSeriesVisibleInLegend(true);
		render.setBaseSeriesVisible(true);
		render.setBaseShapesVisible(true);
		render.setItemLabelAnchorOffset(2);
		render.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE2,TextAnchor.BASELINE_LEFT));
		render.setBaseNegativeItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE2,TextAnchor.BASELINE_LEFT));
		
		int r = 61, g = 89, b = 171;
		int rStep = 120;
		int gStep = 120;
		int bStep = 120;
		render.setSeriesPaint(0, new Color(r,g,b));
		r = (r + rStep > 255 ? r : r + rStep);
		g = (g + gStep > 255 ? g : g + gStep);
		b = (b + bStep > 255 ? b : b + bStep);		
		render.setSeriesPaint(1, new Color(r,g,b));		
		
		ChartFrame frame = new ChartFrame("通信 ", chart);
		frame.pack();
		frame.setVisible(true);
	}
}

效果见附件