JFrameChart 使用例子

package com.darren.service; import java.io.FileOutputStream; import java.io.IOException; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.CategoryDataset; import org.jfree.data.general.PieDataset; import org.jfree.data.xy.XYSeriesCollection; public class JframeChartService { public void createJframeChartPicture() { DataSetService dataSetService = new DataSetService(); CategoryDataset dataset = dataSetService.complicatedDataset(); String title = "水果产量图"; String categoryAxisLabel = "水果"; String valueAxisLabel = "产量"; PlotOrientation orientation = PlotOrientation.VERTICAL; boolean legend = true; boolean tooltips = false; boolean urls = false; JFreeChart jFreeChart = ChartFactory.createBarChart3D( title, //图表标题 categoryAxisLabel, //目录轴的显示标签 :横轴 valueAxisLabel, //数值轴的显示标签:纵轴 dataset, //数据集 orientation, //图表方向，水平，垂直 legend, //是否显示图例（对于简单图必须是false） tooltips, //是否生成工具 urls//是否生成url连接 ); FileOutputStream outputStream = null; try { outputStream = new FileOutputStream("D:\\workplace\\eclipse\\jframeChart\\WebContent\\images\\jFreeChart.jpg"); ChartUtilities.writeChartAsJPEG(outputStream, jFreeChart, 400, 300); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ try { outputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public void createJframeChartPiePicture() { DataSetService dataSetService = new DataSetService(); PieDataset pieDataset = dataSetService.complicatedPieDataset(); String title = "水果产量图"; boolean legend = true; boolean tooltips = false; boolean urls = false; JFreeChart jFreeChart = ChartFactory.createPieChart3D( title, //图表标题 pieDataset, //数据集 legend, //是否显示图例 tooltips, //是否生成工具 urls//是否生成url连接 ); FileOutputStream outputStream = null; try { outputStream = new FileOutputStream("D:\\workplace\\eclipse\\jframeChart\\WebContent\\images\\jFreeChart_pie.jpg"); ChartUtilities.writeChartAsJPEG(outputStream, jFreeChart, 400, 300); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ try { outputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public void createJframeChartXyLinePicture() { DataSetService dataSetService = new DataSetService(); XYSeriesCollection xyLineDataset = dataSetService.prepareXyLineDataset(); String title = "水果产量图"; String categoryAxisLabel = "水果"; String valueAxisLabel = "产量"; PlotOrientation orientation = PlotOrientation.VERTICAL; boolean legend = true; boolean tooltips = false; boolean urls = false; JFreeChart jFreeChart = ChartFactory.createXYLineChart( title, //图表标题 categoryAxisLabel, //目录轴的显示标签 :横轴 valueAxisLabel, //数值轴的显示标签:纵轴 xyLineDataset, //数据集 orientation, //图表方向，水平，垂直 legend, //是否显示图例 tooltips, //是否生成工具 urls//是否生成url连接 ); FileOutputStream outputStream = null; try { outputStream = new FileOutputStream("D:\\workplace\\eclipse\\jframeChart\\WebContent\\images\\jFreeChart_xy_line.jpg"); ChartUtilities.writeChartAsJPEG(outputStream, jFreeChart, 400, 300); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ try { outputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public void createJframeChartLinePicture() { DataSetService dataSetService = new DataSetService(); CategoryDataset lineDataset = dataSetService.prepareLineDataset(); String title = "水果产量图"; String categoryAxisLabel = "水果"; String valueAxisLabel = "产量"; PlotOrientation orientation = PlotOrientation.VERTICAL; boolean legend = true; boolean tooltips = false; boolean urls = false; JFreeChart jFreeChart = ChartFactory.createLineChart( title, //图表标题 categoryAxisLabel, //目录轴的显示标签 :横轴 valueAxisLabel, //数值轴的显示标签:纵轴 lineDataset, //数据集 orientation, //图表方向，水平，垂直 legend, //是否显示图例 tooltips, //是否生成工具 urls//是否生成url连接 ); FileOutputStream outputStream = null; try { outputStream = new FileOutputStream("D:\\workplace\\eclipse\\jframeChart\\WebContent\\images\\jFreeChart_line.jpg"); ChartUtilities.writeChartAsJPEG(outputStream, jFreeChart, 400, 300); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ try { outputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }