?? barchartdemo7.java
字號(hào):
package demo;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GradientPaint;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.NumberAxis;
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.IntervalMarker;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.Layer;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.TextAnchor;
public class BarChartDemo7 extends ApplicationFrame
{
public BarChartDemo7(String paramString)
{
super(paramString);
JPanel localJPanel = createDemoPanel();
localJPanel.setPreferredSize(new Dimension(500, 270));
setContentPane(localJPanel);
}
private static CategoryDataset createDataset()
{
String str1 = "First";
String str2 = "Second";
String str3 = "Third";
String str4 = "Category 1";
String str5 = "Category 2";
String str6 = "Category 3";
String str7 = "Category 4";
String str8 = "Category 5";
DefaultCategoryDataset localDefaultCategoryDataset = new DefaultCategoryDataset();
localDefaultCategoryDataset.addValue(1D, str1, str4);
localDefaultCategoryDataset.addValue(4.0D, str1, str5);
localDefaultCategoryDataset.addValue(3.0D, str1, str6);
localDefaultCategoryDataset.addValue(5.0D, str1, str7);
localDefaultCategoryDataset.addValue(5.0D, str1, str8);
localDefaultCategoryDataset.addValue(5.0D, str2, str4);
localDefaultCategoryDataset.addValue(7.0D, str2, str5);
localDefaultCategoryDataset.addValue(6.0D, str2, str6);
localDefaultCategoryDataset.addValue(8.0D, str2, str7);
localDefaultCategoryDataset.addValue(4.0D, str2, str8);
localDefaultCategoryDataset.addValue(4.0D, str3, str4);
localDefaultCategoryDataset.addValue(3.0D, str3, str5);
localDefaultCategoryDataset.addValue(0D, str3, str6);
localDefaultCategoryDataset.addValue(3.0D, str3, str7);
localDefaultCategoryDataset.addValue(6.0D, str3, str8);
return localDefaultCategoryDataset;
}
private static JFreeChart createChart(CategoryDataset paramCategoryDataset)
{
JFreeChart localJFreeChart = ChartFactory.createBarChart("Bar Chart Demo 7", "Category", "Value", paramCategoryDataset, PlotOrientation.VERTICAL, false, true, false);
CategoryPlot localCategoryPlot = (CategoryPlot)localJFreeChart.getPlot();
IntervalMarker localIntervalMarker = new IntervalMarker(4.5D, 7.5D);
localIntervalMarker.setLabel("Target Range");
localIntervalMarker.setLabelFont(new Font("SansSerif", 2, 11));
localIntervalMarker.setLabelAnchor(RectangleAnchor.LEFT);
localIntervalMarker.setLabelTextAnchor(TextAnchor.CENTER_LEFT);
localIntervalMarker.setPaint(new Color(222, 222, 255, 128));
localCategoryPlot.addRangeMarker(localIntervalMarker, Layer.BACKGROUND);
NumberAxis localNumberAxis = (NumberAxis)localCategoryPlot.getRangeAxis();
localNumberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
BarRenderer localBarRenderer = (BarRenderer)localCategoryPlot.getRenderer();
localBarRenderer.setDrawBarOutline(false);
localBarRenderer.setItemMargin(0.10000000000000001D);
GradientPaint localGradientPaint1 = new GradientPaint(0F, 0F, Color.blue, 0F, 0F, Color.lightGray);
GradientPaint localGradientPaint2 = new GradientPaint(0F, 0F, Color.green, 0F, 0F, Color.lightGray);
GradientPaint localGradientPaint3 = new GradientPaint(0F, 0F, Color.red, 0F, 0F, Color.lightGray);
localBarRenderer.setSeriesPaint(0, localGradientPaint1);
localBarRenderer.setSeriesPaint(1, localGradientPaint2);
localBarRenderer.setSeriesPaint(2, localGradientPaint3);
localBarRenderer.setBaseItemLabelGenerator(new LabelGenerator());
localBarRenderer.setBaseItemLabelsVisible(true);
ItemLabelPosition localItemLabelPosition1 = new ItemLabelPosition(ItemLabelAnchor.INSIDE12, TextAnchor.CENTER_RIGHT, TextAnchor.CENTER_RIGHT, -1.5707963267948966D);
localBarRenderer.setBasePositiveItemLabelPosition(localItemLabelPosition1);
ItemLabelPosition localItemLabelPosition2 = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.CENTER_LEFT, TextAnchor.CENTER_LEFT, -1.5707963267948966D);
localBarRenderer.setPositiveItemLabelPositionFallback(localItemLabelPosition2);
CategoryAxis localCategoryAxis = localCategoryPlot.getDomainAxis();
localCategoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
return localJFreeChart;
}
public static JPanel createDemoPanel()
{
JFreeChart localJFreeChart = createChart(createDataset());
return new ChartPanel(localJFreeChart);
}
public static void main(String[] paramArrayOfString)
{
BarChartDemo7 localBarChartDemo7 = new BarChartDemo7("JFreeChart: BarChartDemo7.java");
localBarChartDemo7.pack();
RefineryUtilities.centerFrameOnScreen(localBarChartDemo7);
localBarChartDemo7.setVisible(true);
}
static class LabelGenerator extends StandardCategoryItemLabelGenerator
{
public String generateLabel(CategoryDataset paramCategoryDataset, int paramInt1, int paramInt2)
{
return paramCategoryDataset.getRowKey(paramInt1).toString();
}
}
}
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -