JFreeChart数据图表示例_JAVA

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JFreeChart数据图表示例

2013/11/5 21:36:42 wokao159 程序员俱乐部我要评论(0)

摘要：importjava.awt.Font;importjava.io.File;importorg.jfree.chart.ChartFactory;importorg.jfree.chart.ChartFrame;importorg.jfree.chart.ChartUtilities;importorg.jfree.chart.JFreeChart;importorg.jfree.chart.labels.StandardCategoryItemLabelGenerator
标签：数据

mono

import?java.awt.Font;??
import?java.io.File;??
??
import?org.jfree.chart.ChartFactory;??
import?org.jfree.chart.ChartFrame;??
import?org.jfree.chart.ChartUtilities;??
import?org.jfree.chart.JFreeChart;??
import?org.jfree.chart.labels.StandardCategoryItemLabelGenerator;??
import?org.jfree.chart.plot.CategoryPlot;??
import?org.jfree.chart.plot.PiePlot;??
import?org.jfree.chart.plot.PlotOrientation;??
import?org.jfree.chart.renderer.category.LineAndShapeRenderer;??
import?org.jfree.data.category.DefaultCategoryDataset;??
import?org.jfree.data.general.DefaultPieDataset;??
??
public?class?TestJFreeChart?{??
??
????public?static?void?main(String[]?args)?throws?Exception{??
??????????
????????System.out.println("start...");??
??????????
????????//测试饼图??
????????testPieChart();??
??????????
????????//测试折线图??
????????testLineChart();??
??????????
????????System.out.println("complete...");??
????}??
??
????/**?
?????*??
?????*?测试饼图?
?????*??
?????*?cjnetwork?2010-11-17下午05:21:15?
?????*/??
????private?static?void?testPieChart()?throws?Exception{??
????????DefaultPieDataset?dataset?=?new?DefaultPieDataset();??
??????????
????????dataset.setValue("初中",?25);??
????????dataset.setValue("高中",?55);??
????????dataset.setValue("大学",?100);??
??????????
????????JFreeChart?chart?=?ChartFactory.createPieChart3D("学历分布图",?dataset,?true,?true,?true);??
??????????
????????Font?font?=?new?Font("黑体",?Font.BOLD,?15);??
????????chart.getTitle().setFont(font);??
????????chart.getLegend().setItemFont(font);??
????????((PiePlot)chart.getPlot()).setLabelFont(font);??
??????????
????????ChartFrame?frame?=?new?ChartFrame("学历分布图",?chart);??
????????frame.pack();??
????????frame.setVisible(true);??
????????ChartUtilities.saveChartAsJPEG(new?File("d:/testPieChart.jpg"),?chart,?1024,?768);??
????}??
??
????/**?
?????*??
?????*?测试折线图?
?????*??
?????*?cjnetwork?2010-11-17下午05:21:07?
?????*/??
????private?static?void?testLineChart()?throws?Exception{??
??????????
????????DefaultCategoryDataset?dataset?=?new?DefaultCategoryDataset();??
??????????
????????dataset.addValue(100,?"苹果",?"2010-10-01");??
????????dataset.addValue(150,?"香蕉",?"2010-10-01");??
????????dataset.addValue(130,?"葡萄",?"2010-10-01");??
????????dataset.addValue(120,?"梨",?"2010-10-01");??
??????????
????????dataset.addValue(110,?"苹果",?"2010-10-02");??
????????dataset.addValue(160,?"香蕉",?"2010-10-02");??
????????dataset.addValue(70,?"葡萄",?"2010-10-02");??
????????dataset.addValue(145,?"梨",?"2010-10-02");??
??????????
????????dataset.addValue(150,?"苹果",?"2010-10-03");??
????????dataset.addValue(168,?"香蕉",?"2010-10-03");??
????????dataset.addValue(60,?"葡萄",?"2010-10-03");??
????????dataset.addValue(148,?"梨",?"2010-10-03");??
??????????
????????dataset.addValue(140,?"苹果",?"2010-10-04");??
????????dataset.addValue(190,?"香蕉",?"2010-10-04");??
????????dataset.addValue(60,?"葡萄",?"2010-10-04");??
????????dataset.addValue(163,?"梨",?"2010-10-04");??
??????????
????????JFreeChart?chart?=?ChartFactory.createLineChart("水果产量图",?"时间",?"产量",?dataset,?PlotOrientation.VERTICAL,?true,?true,?true);??
????????CategoryPlot?plot?=?chart.getCategoryPlot();??
????????plot.getRangeAxis().setUpperMargin(0.15);??
??????????
????????Font?font?=?new?Font("黑体",?Font.BOLD,?15);??
????????chart.getLegend().setItemFont(font);??
????????chart.getTitle().setFont(font);??
????????plot.getDomainAxis().setTickLabelFont(font);??
????????plot.getDomainAxis().setLabelFont(font);??
????????plot.getRangeAxis().setLabelFont(font);??
??????????
????????LineAndShapeRenderer?lineAndShapeRenderer?=?(LineAndShapeRenderer)?plot.getRenderer();??
????????lineAndShapeRenderer.setBaseLinesVisible(true);??
????????lineAndShapeRenderer.setBaseShapesVisible(true);??
????????lineAndShapeRenderer.setBaseItemLabelGenerator(new?StandardCategoryItemLabelGenerator());??
????????lineAndShapeRenderer.setBaseItemLabelsVisible(true);??
??????????
????????ChartFrame?frame?=?new?ChartFrame("水果产量图",?chart);??
????????frame.pack();??
????????frame.setVisible(true);???
??????????
????????ChartUtilities.saveChartAsJPEG(new?File("d:/testLineChart.jpg"),?chart,?1024,?768);??
????}??
??????
??????
}