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public abstract class AbstractStatistic implements Statistic { /** * 创建统计图形 * * @param columnKeys * 关键字数组 * @param data * 数据数组 * @param title * 标题 * @param session * @param rowKeys * 行关键字 * @param showType * @return */ public String createStatisticImg(String[] columnKeys double[][] data String title HttpSession session String[] rowKeys String showType) { try { JFreeChart chart = null; if(showTypeequals()){ chart = createBarChartD(datacolumnKeysrowKeystitle); } if(showTypeequals()){ chart = createLineChart(datacolumnKeysrowKeystitle); } if(showTypeequals()){ chart = createAreaChart(datacolumnKeysrowKeystitle); } if(showTypeequals()){ chart = createLineChartD(data columnKeys rowKeys title); } String filename = ServletUtilitiessaveChartAsPNG(chart null session); return filename; } catch (IOException e) { // TODO Autogenerated catch block eprintStackTrace(); } return ; } public JFreeChart createBarChartD(double[][] data String[] columnKeys String[] rowKeysString title){ CategoryDataset dataset = DatasetUtilitiescreateCategoryDataset( rowKeys columnKeys data); JFreeChart chart = ChartFactorycreateBarChartD(title// 分布与对比图 null dataset PlotOrientationVERTICAL true false false); chartsetBackgroundPaint(ColorWHITE);// 设置整张图片背景色 CategoryPlot plot = chartgetCategoryPlot(); plotsetBackgroundPaint(Colorgray);// 设置图形区域背景色 // 设置是否显示垂直网格线 plotsetDomainGridlinesVisible(true); // 设置是否显示水平网格线 plotsetRangeGridlinesVisible(true); CategoryAxis domainAxis = plotgetDomainAxis(); /*设置X轴标题的倾斜程度*/ domainAxissetCategoryLabelPositions(CategoryLabelPositionsSTANDARD); domainAxissetMaximumCategoryLabelLines(); domainAxissetTickLabelFont(new Font(黑体 FontPLAIN )); plotsetDomainAxis(domainAxis); ValueAxis rangeAxis = plotgetRangeAxis(); // 设置最高的一个 Item 与图片顶端的距离 rangeAxissetUpperMargin(); // 设置最低的一个 Item 与图片底端的距离 rangeAxissetLowerMargin(); plotsetRangeAxis(rangeAxis); BarRendererD renderer = new BarRendererD(); renderersetBaseOutlinePaint(ColorBLACK); // 设置 Wall 的颜色 renderersetWallPaint(Colorgray); // 设置每种柱的颜色 renderersetSeriesPaint( new Color( )); renderersetSeriesPaint( new Color( )); renderersetSeriesPaint( new Color( )); // 置每种柱的 Outline 颜色 renderersetSeriesOutlinePaint( ColorBLACK); renderersetSeriesOutlinePaint( ColorBLACK); renderersetSeriesOutlinePaint( ColorBLACK); // 设置每个地区所包含的平行柱的之间距离 renderersetItemMargin(); // 显示每个柱的数值并修改该数值的字体属性 // renderersetSeriesItemLabelGenerator(new // StandardCategoryItemLabelGenerator(##%javatextNumberFormatgetPercentInstance())); renderer setItemLabelGenerator(new StandardCategoryItemLabelGenerator()); renderersetItemLabelFont(new Font(黑体 FontPLAIN )); renderersetItemLabelsVisible(true); // 设置标签显示位置不加这句将显示在柱体内 renderersetPositiveItemLabelPosition(new ItemLabelPosition( ItemLabelAnchorOUTSIDE TextAnchorBOTTOM_CENTER)); plotsetRenderer(renderer); // 设置柱的透明度 plotsetForegroundAlpha(f); // 设置地区销量的显示位置 plotsetDomainAxisLocation(AxisLocationBOTTOM_OR_LEFT); plotsetRangeAxisLocation(AxisLocationBOTTOM_OR_LEFT); return chart; } public JFreeChart createLineChart(double[][] data String[] columnKeys String[] rowKeysString title){ CategoryDataset dataset = DatasetUtilitiescreateCategoryDataset( rowKeys columnKeys data); JFreeChart chart = ChartFactorycreateLineChart(title// 区域分布与对比图 null dataset PlotOrientationVERTICAL true false false); CategoryPlot plot = chartgetCategoryPlot(); CategoryAxis domainAxis = plotgetDomainAxis(); /*设置X轴标题的倾斜程度*/ domainAxissetCategoryLabelPositions(CategoryLabelPositionsUP_); domainAxissetTickLabelFont(new Font(黑体 FontPLAIN )); return chart; } public JFreeChart createLineChartD(double[][] data String[] columnKeys String[] rowKeysString title){ CategoryDataset dataset = DatasetUtilitiescreateCategoryDataset( rowKeys columnKeys data); JFreeChart chart = ChartFactorycreateLineChartD(title// 区域分布与对比图 null dataset PlotOrientationVERTICAL true false false); CategoryPlot plot = chartgetCategoryPlot(); CategoryAxis domainAxis = plotgetDomainAxis(); /*设置X轴标题的倾斜程度*/ domainAxissetCategoryLabelPositions(CategoryLabelPositionsUP_); domainAxissetTickLabelFont(new Font(黑体 FontPLAIN )); return chart; } public JFreeChart createAreaChart(double[][] data String[] columnKeys String[] rowKeysString title){ CategoryDataset dataset = DatasetUtilitiescreateCategoryDataset( rowKeys columnKeys data); JFreeChart chart = ChartFactorycreateAreaChart(title 统计时间 统计数量 dataset PlotOrientationVERTICAL true true false); chartsetBackgroundPaint(Colorwhite); CategoryPlot categoryplot = (CategoryPlot)chartgetPlot(); categoryplotsetForegroundAlpha(F); categoryplotsetAxisOffset(new RectangleInsets(D D D D)); categoryplotsetBackgroundPaint(ColorlightGray); categoryplotsetDomainGridlinesVisible(true); categoryplotsetDomainGridlinePaint(Colorwhite); categoryplotsetRangeGridlinesVisible(true); categoryplotsetRangeGridlinePaint(Colorwhite); CategoryAxis categoryaxis = categoryplotgetDomainAxis(); categoryaxissetCategoryLabelPositions(CategoryLabelPositionsUP_); categoryaxissetLowerMargin(D); categoryaxissetUpperMargin(D); categoryaxisaddCategoryLabelToolTip(Type The first type); categoryaxisaddCategoryLabelToolTip(Type The second type); categoryaxisaddCategoryLabelToolTip(Type The third type); NumberAxis numberaxis = (NumberAxis)categoryplotgetRangeAxis(); numberaxissetStandardTickUnits(NumberAxiscreateIntegerTickUnits()); numberaxissetLabelAngle(D); return chart; |
