代码
import java.awt.BasicStroke; import java.awt.Dimension; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class MyLineChartDemo extends ApplicationFrame { public MyLineChartDemo(String s) { super(s); JFreeChart jfreechart = createChart(); ChartPanel chartpanel = new ChartPanel(jfreechart); chartpanel.setPreferredSize(new Dimension(600, 350)); setContentPane(chartpanel); } private static JFreeChart createChart() { String s = "家具产量"; String s1 = "居民收入"; String s3 = "2007年1月"; String s4 = "2007年2月"; String s5 = "2007年3月"; String s6 = "2007年4月"; String s7 = "2007年5月"; String s8 = "2007年6月"; String s9 = "2007年7月"; String s10 = "2007年8月"; String s11 = "2007年9月"; String s12 = "2007年10月"; String s13 = "2007年11月"; String s14 = "2007年12月"; CategoryPlot categoryplot = new CategoryPlot(); /**开始构造第一条折线*/ DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset(); defaultcategorydataset.addValue(200, s, s3); defaultcategorydataset.addValue(210, s, s4); defaultcategorydataset.addValue(220, s, s5); defaultcategorydataset.addValue(230, s, s6); defaultcategorydataset.addValue(240, s, s7); defaultcategorydataset.addValue(250, s, s8); defaultcategorydataset.addValue(260, s, s9); defaultcategorydataset.addValue(270, s, s10); defaultcategorydataset.addValue(320, s, s11); LineAndShapeRenderer lineandshaperenderer = new LineAndShapeRenderer(); categoryplot.setDataset(0, defaultcategorydataset); categoryplot.setRenderer(0, lineandshaperenderer);/**到此为止，一条折线的设置完成*/ categoryplot.setRangeGridlinesVisible(true); categoryplot.setDomainAxis(new CategoryAxis("Category")); categoryplot.setRangeAxis(new NumberAxis("Value")); categoryplot.setOrientation(PlotOrientation.VERTICAL); /**构造第一条虚线*/ DefaultCategoryDataset defaultcategorydataset1 = new DefaultCategoryDataset(); defaultcategorydataset1.addValue(360, s, s12); defaultcategorydataset1.addValue(400, s, s13); defaultcategorydataset1.addValue(550, s, s14); categoryplot.setDataset(1, defaultcategorydataset1); LineAndShapeRenderer lineandshaperenderer1 = new LineAndShapeRenderer(); lineandshaperenderer1.setBaseShapesVisible(true);/**设置折线中的端点图形是否可见*/ lineandshaperenderer1.setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] {30F, 12F}, 0.0F)); //虚线生效处 lineandshaperenderer1.setBaseItemLabelsVisible(true); lineandshaperenderer1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); categoryplot.setRenderer(1, lineandshaperenderer1); return new JFreeChart(categoryplot); } public static void main(String args[]) { MyLineChartDemo linechartdemo5 = new MyLineChartDemo("Line Chart Demo 5"); linechartdemo5.pack(); RefineryUtilities.centerFrameOnScreen(linechartdemo5); linechartdemo5.setVisible(true); } }
=========================================================================
代码
import java.awt.BasicStroke; import java.awt.Dimension; import java.text.NumberFormat; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.time.Month; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class MyLineChartDemo7 extends ApplicationFrame { public MyLineChartDemo7(String s) { super(s); JFreeChart jfreechart = createChart(); ChartPanel chartpanel = new ChartPanel(jfreechart); chartpanel.setPreferredSize(new Dimension(600, 350)); setContentPane(chartpanel); } private static XYDataset createDataset() { TimeSeries s1 = new TimeSeries("家具产量增量", Month.class); s1.add(new Month(1, 2001), 200); s1.add(new Month(2, 2001), 210); s1.add(new Month(3, 2001), 220); s1.add(new Month(4, 2001), 230); s1.add(new Month(5, 2001), 240); s1.add(new Month(6, 2001), 250); s1.add(new Month(7, 2001), 260); s1.add(new Month(8, 2001), 270); s1.add(new Month(9, 2001), 280); s1.add(new Month(10, 2001), 290); TimeSeries s2 = new TimeSeries("家具产量增量预测", Month.class); s2.add(new Month(10, 2001), 290); s2.add(new Month(11, 2001), 320); s2.add(new Month(12, 2001), 340); TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(s1); dataset.addSeries(s2); return dataset; } private static JFreeChart createChart() { XYDataset defaultcategorydataset1 = createDataset(); JFreeChart chart = ChartFactory.createTimeSeriesChart("预测图", "", "", // y-axis // label defaultcategorydataset1, // data true, true, false); XYPlot categoryplot = chart.getXYPlot(); categoryplot.setRangeGridlinesVisible(true); categoryplot.setOrientation(PlotOrientation.VERTICAL); categoryplot.getRenderer().setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F, null, 0.0F)); categoryplot.getRenderer() .setSeriesStroke( 1, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 6F, 6F }, 0.0F)); XYLineAndShapeRenderer lineandshaperenderer = (XYLineAndShapeRenderer) categoryplot .getRenderer(); lineandshaperenderer.setBaseShapesVisible(true); /** 纵轴设置 */ NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis(); numberaxis.setNumberFormatOverride(NumberFormat.getPercentInstance()); numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); numberaxis.setAutoRangeIncludesZero(true); numberaxis.setUpperMargin(0.12D); return new JFreeChart(categoryplot); } public static void main(String args[]) { MyLineChartDemo7 linechartdemo5 = new MyLineChartDemo7( "Line Chart Demo 5"); linechartdemo5.pack(); RefineryUtilities.centerFrameOnScreen(linechartdemo5); linechartdemo5.setVisible(true); } }
摘抄于http://topic.csdn.net/u/20080416/10/43f21519-f21a-4796-ad5b-fb7d56c784fa.html
