字符日期折线图

package com.chart;
 
 import org.jfree.chart.ChartFactory;
 import org.jfree.chart.ChartPanel;
 import org.jfree.chart.title.TextTitle;
 import org.jfree.data.time.TimeSeries;
 import org.jfree.data.time.Month;
 import org.jfree.data.time.Day;
 import org.jfree.data.time.TimeSeriesCollection;
 import org.jfree.chart.plot.XYPlot;
 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
 import java.awt.Color;
 import org.jfree.ui.RectangleInsets;
 import java.awt.Font;
 import org.jfree.chart.renderer.xy.XYItemRenderer;
 import org.jfree.chart.JFreeChart;
 import org.jfree.chart.labels.*;
 import org.jfree.ui.*;
 import java.awt.*;
 import java.text.*;
import java.util.Date;

 import javax.swing.JPanel;
 import org.jfree.chart.axis.DateAxis;
 import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.axis.NumberAxis;
 
 public class LineChart extends ApplicationFrame {
 
     private static final long serialVersionUID = 1L;
 
     // 测试的main方法，显示是以JPanel窗体的形式显示的
     public static void main(String[] args) {
         LineChart LineChart= new LineChart("曲线图");
         LineChart.pack();
         RefineryUtilities.centerFrameOnScreen(LineChart);
         LineChart.setVisible(true);
     }
 
     public LineChart(String s) {
         super(s);
         setContentPane(createDemoLine());
     }
 
     // 生成显示图表的面板
     public static JPanel createDemoLine() {
         JFreeChart jfreechart = null;
  try {
   jfreechart = createChart(createDataset());
  } catch (ParseException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
         return new ChartPanel(jfreechart);
     }
 
     // 生成图表主对象JFreeChart
     public static JFreeChart createChart(TimeSeriesCollection linedataset) {
         JFreeChart chart = ChartFactory.createTimeSeriesChart("访问量统计时间线", "月份",
                 "访问量", linedataset, true, true, true);
 
         // 设置消除字体的锯齿渲染(解决中文问题)
         chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,
                 RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
 
         // 设置主标题
         chart.setTitle(new TextTitle("blog访问量统计", new Font("楷书", Font.ITALIC,
                 20)));
         chart.setAntiAlias(true);
         // 设置子标题
         TextTitle subtitle = new TextTitle("2010/2011年度访问量对比", new Font("宋体",
                 Font.BOLD, 12));
         chart.addSubtitle(subtitle);
 
         XYPlot plot = (XYPlot) chart.getPlot();
 
         XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) plot
                 .getRenderer();
 
         // 设置网格背景颜色
         plot.setBackgroundPaint(Color.white);
         // 设置网格竖线颜色
         plot.setDomainGridlinePaint(Color.pink);
         // 设置网格横线颜色
         plot.setRangeGridlinePaint(Color.pink);
         // 设置曲线与xy轴的距离
         plot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 10D));
         // 设置曲线是否显示数据点
         xylineandshaperenderer.setBaseShapesVisible(true);
         // 设置曲线显示各项数据点的值
         XYItemRenderer xyitem = plot.getRenderer();
         xyitem.setBaseItemLabelsVisible(true);
         xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(
                 ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));
         xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
         xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14));
         plot.setRenderer(xyitem);
 
         // 设置X轴日期显示的格式
         SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd");
         DateAxis axis = (DateAxis) plot.getDomainAxis();
         axis.setDateFormatOverride(format);// 设置x轴数据单位以×年×月方式显示
 
         ValueAxis valueAxis = plot.getDomainAxis();
         // 设置x轴上面的字体
         valueAxis.setTickLabelFont(new Font("隶书", Font.ITALIC, 12));
         // 设置X轴的标题文字
         valueAxis.setLabelFont(new Font("隶书", Font.ITALIC, 12));
         NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis();
         // 设置y轴上的字体
         numberAxis.setTickLabelFont(new Font("宋体", Font.PLAIN, 13));
         // 设置y轴上的标题字体
         numberAxis.setLabelFont(new Font("宋体", Font.PLAIN, 13));
         // 设置底部的字体
         chart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
 
         return chart;
     }
 
     // 生成数据
     public static TimeSeriesCollection createDataset() throws ParseException {
         // 访问量统计时间线
         TimeSeries timeSeries1 = new TimeSeries("2010年度", Day.class);
         TimeSeries timeSeries2 = new TimeSeries("2011年度", Day.class);
         String t="2011-01-01";
         SimpleDateFormat standardDateFormat = new SimpleDateFormat("yyyy-MM-dd");
        
         Date myDate = standardDateFormat.parse(t);
        
         // 时间曲线数据集合
         TimeSeriesCollection lineDataset = new TimeSeriesCollection();
 
         // 构造数据集合
         timeSeries1.add(new Day(myDate), 7200);
         timeSeries1.add(new Day(3,1, 2011), 7000);
         timeSeries1.add(new Day(4,1, 2011), 4200);
         timeSeries1.add(new Day(7,1, 2011), 8200);
         timeSeries1.add(new Day(5,1, 2011), 7300);
//         timeSeries1.add(new Day(6, 2011), 8200);
//         timeSeries1.add(new Day(7, 2011), 9200);
//         timeSeries1.add(new Day(8, 2011), 7300);
//         timeSeries1.add(new Day(9, 2011), 9400);
//         timeSeries1.add(new Day(10, 2011), 7500);
//         timeSeries1.add(new Day(11, 2011), 6600);
//         timeSeries1.add(new Day(12, 2011), 3500);
//         timeSeries2.add(new Day(1, 2011), 10200);
//         timeSeries2.add(new Day(2, 2011), 9000);
//         timeSeries2.add(new Day(3, 2011), 6200);
//         timeSeries2.add(new Day(4, 2011), 8200);
//         timeSeries2.add(new Day(5, 2011), 8200);
//         timeSeries2.add(new Day(6, 2011), 11200);
//         timeSeries2.add(new Day(7, 2011), 13200);
//         timeSeries2.add(new Day(8, 2011), 8300);
//         timeSeries2.add(new Day(9, 2011), 10400);
//         timeSeries2.add(new Day(10, 2011), 12500);
//         timeSeries2.add(new Day(11, 2011), 10600);
//         timeSeries2.add(new Day(12, 2011), 10500);
 
         lineDataset.addSeries(timeSeries1);
         lineDataset.addSeries(timeSeries2);
 
         return lineDataset;
     }
 
 }