JFreeChart實時曲線（絕對一手資料，本例子我應用與多個實際項目中，與JMS技術結合）

wuxyu 2007-12-12

展開全文

package com.cityinforport.demo;
/**
* =============================================================
* JFreeChart開發(fā)：利用JFreeChart開發(fā)實時曲線
* =============================================================
* Description:該例子演示了單條曲線的簡單使用方法
* Original Author:謝莫鋒  QQ:35814522 EMAIL:xmf3000@126.com created by 2005-02-28
*
* Changes:
* -------------------------------------------------------------
* 2005-03-01 增加線程調(diào)用 by xmf
* 2005-03-02 界面調(diào)整 by xmf
* -------------------------------------------------------------
*/

//導入java2d包
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import java.io.PrintStream;
//導入jfreechart包(chart)
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;
//導入jfreechart包(data)
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
//導入jfreechart包(ui)
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class TimeSeriesDemo1 extends JFrame implements Runnable,ActionListener{
  //時序圖數(shù)據(jù)集
  private TimeSeries timeseries;
  //Value坐標軸初始值
  private double lastValue;
  static Class class$org$jfree$data$time$Millisecond;
  static Thread thread1;

  public static void main(String[] args){
    TimeSeriesDemo1 TimeSeriesDemo1 = new TimeSeriesDemo1();
    TimeSeriesDemo1.pack();
    RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo1);
    TimeSeriesDemo1.setVisible(true);
    startThread();
  }

  public void run(){
    while(true){
      try{
    //根據(jù)實際需要在此處加入需要執(zhí)行的代碼
    double d = 0.9D + 0.2D * Math.random();
    lastValue = lastValue * d;
    Millisecond millisecond = new Millisecond();
    System.out.println("Now=" + millisecond.toString());
    timeseries.add(millisecond, lastValue);
    Thread.sleep(300);
      }catch(InterruptedException e){}
    }
  }

  public static void startThread(){
    thread1.start();
  }

  public void actionPerformed(ActionEvent e){
    if(e.getActionCommand().equals("EXIT")){
      thread1.destroy();
      System.exit(0);
    }
  }

  public TimeSeriesDemo1(){
    //super(new BorderLayout());
    thread1 = new Thread(this);
    lastValue = 100D;
    //創(chuàng)建時序圖對象
    timeseries = new TimeSeries("Random Data",TimeSeriesDemo1.class$org$jfree$data$time$Millisecond != null ? TimeSeriesDemo1.class$org$jfree$data$time$Millisecond : (TimeSeriesDemo1.class$org$jfree$data$time$Millisecond = TimeSeriesDemo1.getClass("org.jfree.data.time.Millisecond")));
    TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);
    //創(chuàng)建圖表面板
    ChartPanel chartpanel = new ChartPanel(createChart(timeseriescollection));
    chartpanel.setPreferredSize(new Dimension(500,270));

    JPanel jpanel = new JPanel();
    jpanel.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));//邊距為4
    JButton jbutton = new JButton("退出");
    jbutton.setActionCommand("EXIT");
    jbutton.addActionListener(this);
    jpanel.add(jbutton);

    getContentPane().add(chartpanel);
    getContentPane().add(jpanel,"South");
  }

  private JFreeChart createChart(XYDataset xydataset){
    JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("時序圖例子","時間","溫度值",xydataset,true,true,false);
    XYPlot xyplot = jfreechart.getXYPlot();
    //縱坐標設定
    ValueAxis valueaxis = xyplot.getDomainAxis();
    valueaxis.setAutoRange(true);
    valueaxis.setFixedAutoRange(60000D);

    valueaxis = xyplot.getRangeAxis();
    valueaxis.setRange(0.0D,200D);

    return jfreechart;
  }

  static Class getClass(String s){
    Class cls = null;
    try{
      cls = Class.forName(s);
    }catch(ClassNotFoundException cnfe){
      throw new NoClassDefFoundError(cnfe.getMessage());
    }
    return cls;
  }

}

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package com.cityinforport.demo;
/**
* =============================================================
* JFreeChart開發(fā)：利用JFreeChart開發(fā)實時曲線
* =============================================================
* Description:該例子演示了多條曲線的簡單使用方法
* Original Author:xmf created by 2005-03-03
*
* Changes:
* -------------------------------------------------------------
* 在此處注明修改日期、修改點、修改人
* -------------------------------------------------------------
*/

//導入java2d包
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import java.io.PrintStream;
//導入jfreechart包(chart)
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.chart.renderer.xy.DefaultXYItemRenderer;
//導入jfreechart包(data)
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
//導入jfreechart包(ui)
import org.jfree.ui.*;

public class TimeSeriesDemo2 extends JFrame implements Runnable,ActionListener{

  //申明實時曲線對象
  private TimeSeries timeseries1;
  private TimeSeries timeseries2;

  //Value坐標軸初始值
  private double lastValue1,lastValue2;
  private double originalValue1,originalValue2;

  static Class class$org$jfree$data$time$Millisecond;
  static Thread thread1;

  public static void main(String[] args){
    TimeSeriesDemo2 TimeSeriesDemo2 = new TimeSeriesDemo2();
    TimeSeriesDemo2.pack();
    RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo2);
    TimeSeriesDemo2.setVisible(true);
    startThread();
  }

  public void run(){
    while(true){
      try{
    //說明：在此處添加具體的業(yè)務數(shù)據(jù)

    //隨機產(chǎn)生曲線1的數(shù)據(jù)
    double d1 = 2.0D * Math.random();
    lastValue1 = originalValue1 * d1;
    Millisecond millisecond1 = new Millisecond();
    System.out.println("Series1 Now=" + millisecond1.toString());
    timeseries1.add(millisecond1, lastValue1);
    //隨機產(chǎn)生曲線2的數(shù)據(jù)
    double d2 = 2.0D * Math.random();
    lastValue2 = originalValue2 * d2;
    Millisecond millisecond2 = new Millisecond();
    System.out.println("Series2 Now=" + millisecond2.toString());
    timeseries2.add(millisecond2,lastValue2);

    Thread.sleep(500);
      }catch(InterruptedException e){}
    }
  }

  public static void startThread(){
    thread1.start();
  }

  public void actionPerformed(ActionEvent e){
    if(e.getActionCommand().equals("EXIT")){
      thread1.interrupt();
      System.exit(0);
    }
  }

  public TimeSeriesDemo2(){
    thread1 = new Thread(this);
    originalValue1 = 100D;
    originalValue2 = 100D;
    //創(chuàng)建時序圖對象
    timeseries1 = new TimeSeries("熱風溫1",TimeSeriesDemo2.class$org$jfree$data$time$Millisecond != null ? TimeSeriesDemo2.class$org$jfree$data$time$Millisecond : (TimeSeriesDemo2.class$org$jfree$data$time$Millisecond = TimeSeriesDemo2.getClass("org.jfree.data.time.Millisecond")));
    timeseries2 = new TimeSeries("熱風溫2",TimeSeriesDemo2.class$org$jfree$data$time$Millisecond != null ? TimeSeriesDemo2.class$org$jfree$data$time$Millisecond : (TimeSeriesDemo2.class$org$jfree$data$time$Millisecond = TimeSeriesDemo2.getClass("org.jfree.data.time.Millisecond")));
    TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries1);
    TimeSeriesCollection timeseriescollection1 = new TimeSeriesCollection(timeseries2);

    //創(chuàng)建jfreechart對象
    JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("RTU溫度模擬量實時曲線圖","Time","Value",
                            timeseriescollection,true,true,false);
    jfreechart.setBackgroundPaint(Color.white);

    //設定顯示風格
    XYPlot xyplot = jfreechart.getXYPlot();
    xyplot.setBackgroundPaint(Color.lightGray);
    xyplot.setDomainGridlinePaint(Color.white);
    xyplot.setRangeGridlinePaint(Color.white);
    xyplot.setAxisOffset(new Spacer(1, 4D, 4D, 4D, 4D));
    ValueAxis valueaxis = xyplot.getDomainAxis();
    valueaxis.setAutoRange(true);
    valueaxis.setFixedAutoRange(60000D);
    //設定Value的范圍
    valueaxis = xyplot.getRangeAxis();
    valueaxis.setRange(0.0D,200D);
    xyplot.setDataset(1, timeseriescollection1);
    xyplot.setRenderer(1,new DefaultXYItemRenderer());

    //創(chuàng)建圖表面板
    ChartPanel chartpanel = new ChartPanel(jfreechart);
    getContentPane().add(chartpanel);

    //根據(jù)需要添加操作按鈕
    this.setTitle("RTU實時曲線");
    JPanel jpanel = new JPanel();
    jpanel.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));//邊距為4
    JButton jbutton = new JButton("退出");
    jbutton.setActionCommand("EXIT");
    jbutton.addActionListener(this);
    jpanel.add(jbutton);
    getContentPane().add(jpanel,"South");
    chartpanel.setPreferredSize(new Dimension(500,270));
  }

  static Class getClass(String s){
    Class cls = null;
    try{
      cls = Class.forName(s);
    }catch(ClassNotFoundException cnfe){
      throw new NoClassDefFoundError(cnfe.getMessage());
    }
    return cls;
  }

}