Java使用JFreeChart动态绘制实时曲线图教程

package com.liss.chart; 

import java.awt.BorderLayout; 
import java.awt.event.WindowAdapter; 
import java.awt.event.WindowEvent; 
import javax.swing.JFrame; 
import org.jfree.chart.ChartFactory; 
import org.jfree.chart.ChartPanel; 
import org.jfree.chart.JFreeChart; 
import org.jfree.chart.axis.ValueAxis; 
import org.jfree.chart.plot.XYPlot; 
import org.jfree.data.time.Millisecond; 
import org.jfree.data.time.TimeSeries; 
import org.jfree.data.time.TimeSeriesCollection; 
    
public class RealTimeChart extends ChartPanel implements Runnable    
{    
    private static TimeSeries timeSeries;    
    private long value=0;    
        
    public RealTimeChart(String chartContent,String title,String yaxisName)    
    {    
        super(createChart(chartContent,title,yaxisName));    
    }    
        
    private static JFreeChart createChart(String chartContent,String title,String yaxisName){    
        //创建时序图对象    
        timeSeries = new TimeSeries(chartContent,Millisecond.class);    
        TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeSeries);    
        JFreeChart jfreechart = ChartFactory.createTimeSeriesChart(title,"time(minutes)",yaxisName,timeseriescollection,true,true,false);