主要jar：jfreechart.jar
private JFreeChart chart;
public JFreeChart getFoldlineGraph(double[][] data, String[] rowKeys, String[] columnKeys, boolean isline) {
CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);
createTimeXYChar("单板测试通过率", "图例", "成功率", dataset, "", isline);
return chart;
}
private CategoryDataset getBarData(double[][] data, String[] rowKeys, String[] columnKeys) {
return DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);
}
private void createTimeXYChar(String chartTitle, String x, String y,
CategoryDataset xyDataset, String charName, boolean isline) {
chart = ChartFactory.createLineChart(chartTitle, x, y, xyDataset,
PlotOrientation.VERTICAL, true, true, false);
Font font00 = new Font("微软雅黑", Font.LAYOUT_NO_LIMIT_CONTEXT, 13);
LegendTitle legend = chart.getLegend();
legend.setItemFont(font00);// 设置注释字体
chart.setTextAntiAlias(false);
// 设置图标题的字体重新设置title
Font font = new Font("微软雅黑", Font.LAYOUT_NO_LIMIT_CONTEXT, 15);
TextTitle title = new TextTitle(chartTitle);
title.setFont(font);
chart.setTitle(title);
CategoryPlot categoryplot = (CategoryPlot) chart.getPlot();
// x轴分类轴网格是否可见
categoryplot.setDomainGridlinesVisible(true);
// y轴数据轴网格是否可见
categoryplot.setRangeGridlinesVisible(true);
categoryplot.setRangeGridlinePaint(Color.pink);// 虚线色彩
categoryplot.setDomainGridlinePaint(Color.pink);// 虚线色彩
categoryplot.setBackgroundPaint(Color.white);
// 设置轴和面板之间的距离
categoryplot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 0D));
CategoryAxis domainAxis = categoryplot.getDomainAxis();
domainAxis.setLabelFont(new Font("微软雅黑", Font.LAYOUT_NO_LIMIT_CONTEXT,
13));// 轴标题
domainAxis.setTickLabelFont(new Font("微软雅黑",
Font.LAYOUT_NO_LIMIT_CONTEXT, 13));// 轴数值
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 横轴上的
// 设置距离图片左端距离
domainAxis.setLowerMargin(0);
// 设置距离图片右端距离
domainAxis.setUpperMargin(0);
NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
numberaxis.setAutoRangeIncludesZero(true);
numberaxis.setLabelFont(new Font("微软雅黑", Font.LAYOUT_NO_LIMIT_CONTEXT,
13));
// 设置最高的一个值与图片顶端的距离
numberaxis.setUpperMargin(0.15);
// 设置最低的一个值与图片底端的距离
// numberaxis.setLowerMargin(0.15);
// 获得renderer
LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer) categoryplot
.getRenderer();
lineandshaperenderer.setBaseShapesVisible(true); // series 点(即数据点)可见
lineandshaperenderer.setBaseLinesVisible(isline); // series 点(即数据点)间有连线可见
// 显示折点数据
lineandshaperenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
lineandshaperenderer.setBaseItemLabelsVisible(true);
}