我正在尝试创建一个GroupedStackBar
图表,显示每个客户在过去三个月中每种产品的收入,并添加描述每个时期与客户进行的会议的折线图。我正在使用 JasperReports 创建 PDF 报告,并使用常用的图表定制器进行准备。
下面的快照推测了我正在尝试创建的图表:
.
该报告需要描述每个客户的月收入和会议。如,显示Client1
提供X
百万收入并M
在 11 月举行会议,提供Y
百万收入并N
在 12 月举行会议等等。
所以,我的 X 轴有两个分组——客户和上个季度的月份。此外,收入与产品进一步叠加。所以,我有点合并两个不同的数据集——每个客户的收入度量、月份、产品与每个客户的会议度量、月份来构建图表。
我为生成图表而创建的示例程序:
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.SubCategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.GroupedStackedBarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.KeyToGroupMap;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class GroupedStackedBarLineChart extends ApplicationFrame {
public GroupedStackedBarLineChart(final String title) {
super(title);
// final JFreeChart chart = constructBarOverLineChart();
final JFreeChart chart = constructLineOverBarChart();
final ChartPanel panel = new ChartPanel(chart);
setContentPane(panel);
}
private JFreeChart constructLineOverBarChart() {
final JFreeChart chart = ChartFactory.createLineChart(
"Stacked Grouped Bar Line Chart", "Products/Month",
"Meetings/Month", fetchMeetingDataSet(),
PlotOrientation.VERTICAL, true, true, false);
final KeyToGroupMap map = new KeyToGroupMap("Jan13");
map.mapKeyToGroup("Jan13 (Product1)", "Jan13");
map.mapKeyToGroup("Jan13 (Product2)", "Jan13");
map.mapKeyToGroup("Jan13 (Product3)", "Jan13");
map.mapKeyToGroup("Feb13 (Product1)", "Feb13");
map.mapKeyToGroup("Feb13 (Product2)", "Feb13");
map.mapKeyToGroup("Feb13 (Product3)", "Feb13");
map.mapKeyToGroup("Mar13 (Product1)", "Mar13");
map.mapKeyToGroup("Mar13 (Product2)", "Mar13");
map.mapKeyToGroup("Mar13 (Product3)", "Mar13");
final GroupedStackedBarRenderer renderer = new GroupedStackedBarRenderer();
renderer.setSeriesToGroupMap(map);
renderer.setItemMargin(0.076);
final SubCategoryAxis domainAxis = new SubCategoryAxis("Products/Month");
domainAxis.addSubCategory("Jan13");
domainAxis.addSubCategory("Feb13");
domainAxis.addSubCategory("Mar13");
domainAxis.setCategoryMargin(0.28);
final CategoryPlot subPlot1 = (CategoryPlot) chart.getPlot();
subPlot1.setDataset(1, fetchRevenueDataSet());
subPlot1.setDomainAxis(domainAxis);
final ValueAxis revenueAxis = new NumberAxis("Revenue");
subPlot1.setRangeAxis(1, revenueAxis);
subPlot1.setRenderer(1, renderer);
return chart;
}
private JFreeChart constructBarOverLineChart() {
final JFreeChart chart = ChartFactory.createStackedBarChart(
"Stacked Grouped Bar Line Chart", "Clients", "Revenue",
fetchRevenueDataSet(), PlotOrientation.VERTICAL, true, true,
false);
final KeyToGroupMap map = new KeyToGroupMap("Jan13");
map.mapKeyToGroup("Jan13 (Product1)", "Jan13");
map.mapKeyToGroup("Jan13 (Product2)", "Jan13");
map.mapKeyToGroup("Jan13 (Product3)", "Jan13");
map.mapKeyToGroup("Feb13 (Product1)", "Feb13");
map.mapKeyToGroup("Feb13 (Product2)", "Feb13");
map.mapKeyToGroup("Feb13 (Product3)", "Feb13");
map.mapKeyToGroup("Mar13 (Product1)", "Mar13");
map.mapKeyToGroup("Mar13 (Product2)", "Mar13");
map.mapKeyToGroup("Mar13 (Product3)", "Mar13");
final GroupedStackedBarRenderer renderer = new GroupedStackedBarRenderer();
renderer.setSeriesToGroupMap(map);
renderer.setItemMargin(0.076);
final SubCategoryAxis domainAxis = new SubCategoryAxis("Products/Month");
domainAxis.addSubCategory("Jan13");
domainAxis.addSubCategory("Feb13");
domainAxis.addSubCategory("Mar13");
domainAxis.setCategoryMargin(0.28);
final CategoryPlot subPlot1 = (CategoryPlot) chart.getPlot();
subPlot1.setDomainAxis(domainAxis);
subPlot1.setRenderer(renderer);
final ValueAxis meetingAxis = new NumberAxis("Meetings");
subPlot1.setDataset(1, fetchMeetingDataSet());
// subPlot1.mapDatasetToDomainAxis(1, 1);
subPlot1.setRangeAxis(1, meetingAxis);
subPlot1.setRangeAxisLocation(0, AxisLocation.BOTTOM_OR_LEFT);
subPlot1.setRangeAxisLocation(1, AxisLocation.TOP_OR_RIGHT);
subPlot1.setRenderer(1, new LineAndShapeRenderer(true, false));
return chart;
}
private CategoryDataset fetchRevenueDataSet() {
final DefaultCategoryDataset revenueDataSet = new DefaultCategoryDataset();
revenueDataSet.addValue(20.3, "Jan13 (Product1)", "Client1");
revenueDataSet.addValue(27.2, "Jan13 (Product2)", "Client1");
revenueDataSet.addValue(19.7, "Jan13 (Product3)", "Client1");
revenueDataSet.addValue(19.4, "Feb13 (Product1)", "Client1");
revenueDataSet.addValue(10.9, "Feb13 (Product2)", "Client1");
revenueDataSet.addValue(18.4, "Feb13 (Product3)", "Client1");
revenueDataSet.addValue(16.5, "Mar13 (Product1)", "Client1");
revenueDataSet.addValue(15.9, "Mar13 (Product2)", "Client1");
revenueDataSet.addValue(16.1, "Mar13 (Product3)", "Client1");
revenueDataSet.addValue(23.3, "Jan13 (Product1)", "Client2");
revenueDataSet.addValue(16.2, "Jan13 (Product2)", "Client2");
revenueDataSet.addValue(28.7, "Jan13 (Product3)", "Client2");
revenueDataSet.addValue(12.7, "Feb13 (Product1)", "Client2");
revenueDataSet.addValue(17.9, "Feb13 (Product2)", "Client2");
revenueDataSet.addValue(12.6, "Feb13 (Product3)", "Client2");
revenueDataSet.addValue(15.4, "Mar13 (Product1)", "Client2");
revenueDataSet.addValue(21.0, "Mar13 (Product2)", "Client2");
revenueDataSet.addValue(11.1, "Mar13 (Product3)", "Client2");
revenueDataSet.addValue(23.8, "Jan13 (Product1)", "Client3");
revenueDataSet.addValue(23.4, "Jan13 (Product2)", "Client3");
revenueDataSet.addValue(19.3, "Jan13 (Product3)", "Client3");
revenueDataSet.addValue(11.9, "Feb13 (Product1)", "Client3");
revenueDataSet.addValue(31.0, "Feb13 (Product2)", "Client3");
revenueDataSet.addValue(22.7, "Feb13 (Product3)", "Client3");
revenueDataSet.addValue(15.3, "Mar13 (Product1)", "Client3");
revenueDataSet.addValue(14.4, "Mar13 (Product2)", "Client3");
revenueDataSet.addValue(25.3, "Mar13 (Product3)", "Client3");
return revenueDataSet;
}
private CategoryDataset fetchMeetingDataSet() {
final DefaultCategoryDataset meetingDataSet = new DefaultCategoryDataset();
meetingDataSet.addValue(20, "Jan13", "Client1");
meetingDataSet.addValue(8, "Feb13", "Client1");
meetingDataSet.addValue(35, "Mar13", "Client1");
meetingDataSet.addValue(7, "Jan13", "Client2");
meetingDataSet.addValue(20, "Feb13", "Client2");
meetingDataSet.addValue(12, "Mar13", "Client2");
meetingDataSet.addValue(25, "Jan13", "Client3");
meetingDataSet.addValue(17, "Feb13", "Client3");
meetingDataSet.addValue(7, "Mar13", "Client3");
return meetingDataSet;
}
public static void main(String[] args) {
GroupedStackedBarLineChart demo = new GroupedStackedBarLineChart(
"Client Revenue and Meetings");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
上述程序的输出未按要求显示图表。相反,折线图显示P
了Jan13的会议与Client1
、Jan13的会议与、Jan13的会议和Feb13的会议、Feb13的会议等等。也就是说,不尊重客户的分组。我尝试在没有产量的情况下改变折线图数据集中的行键/列键。Q
Client2
R
Client3
X
Client2
Y
Client2
你能指点我正确获得折线图吗?
谢谢。