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package com.cityinforport.demo;
/**
* =============================================================
* JFreeChart开发：利用JFreeChart开发实时曲线
* =============================================================
* Description:该例子演示了单条曲线的简单使用方法
* Original Author:谢莫锋 QQ:35814522 EMAIL:xmf3000@126.com created by 2005-02-28
*
* Changes:
* -------------------------------------------------------------
* 2005-03-01 增加线程调用 by xmf
* 2005-03-02 界面调整 by xmf
* -------------------------------------------------------------
*/
//导入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;
//导入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;
//导入jfreechart包(data)
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
//导入jfreechart包(ui)
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class TimeSeriesDemo1 extends JFrame implements Runnable,ActionListener{
//时序图数据集
private TimeSeries timeseries;
//Value坐标轴初始值
private double lastValue;
static Class class$org$jfree$data$time$Millisecond;
static Thread thread1;
public static void main(String[] args){
TimeSeriesDemo1 TimeSeriesDemo1 = new TimeSeriesDemo1();
TimeSeriesDemo1.pack();
RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo1);
TimeSeriesDemo1.setVisible(true);
startThread();
}
public void run(){
while(true){
try{
//根据实际需要在此处加入需要执行的代码
double d = 0.9D + 0.2D * Math.random();
lastValue = lastValue * d;
Millisecond millisecond = new Millisecond();
System.out.println("Now=" + millisecond.toString());
timeseries.add(millisecond, lastValue);
Thread.sleep(300);
}catch(InterruptedException e){}
}
}
public static void startThread(){
thread1.start();
}
public void actionPerformed(ActionEvent e){
if(e.getActionCommand().equals("EXIT")){
thread1.destroy();
System.exit(0);
}
}
public TimeSeriesDemo1(){
//super(new BorderLayout());
thread1 = new Thread(this);
lastValue = 100D;
//创建时序图对象
timeseries = new TimeSeries("Random Data",TimeSeriesDemo1.class$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);
//创建图表面板
ChartPanel chartpanel = new ChartPanel(createChart(timeseriescollection));
chartpanel.setPreferredSize(new Dimension(500,270));
JPanel jpanel = new JPanel();
jpanel.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));//边距为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("时序图例子","时间","温度值",xydataset,true,true,false);
XYPlot xyplot = jfreechart.getXYPlot();
//纵坐标设定
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开发：利用JFreeChart开发实时曲线
* =============================================================
* Description:该例子演示了多条曲线的简单使用方法
* Original Author:xmf created by 2005-03-03
*
* Changes:
* -------------------------------------------------------------
* 在此处注明修改日期、修改点、修改人
* -------------------------------------------------------------
*/
//导入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;
//导入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;
//导入jfreechart包(data)
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
//导入jfreechart包(ui)
import org.jfree.ui.*;
public class TimeSeriesDemo2 extends JFrame implements Runnable,ActionListener{
//申明实时曲线对象
private TimeSeries timeseries1;
private TimeSeries timeseries2;
//Value坐标轴初始值
private double lastValue1,lastValue2;
private double originalValue1,originalValue2;
static Class class$org$jfree$data$time$Millisecond;
static Thread thread1;
public static void main(String[] args){
TimeSeriesDemo2 TimeSeriesDemo2 = new TimeSeriesDemo2();
TimeSeriesDemo2.pack();
RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo2);
TimeSeriesDemo2.setVisible(true);
startThread();
}
public void run(){
while(true){
try{
//说明：在此处添加具体的业务数据
//随机产生曲线1的数据
double d1 = 2.0D * Math.random();
lastValue1 = originalValue1 * d1;
Millisecond millisecond1 = new Millisecond();
System.out.println("Series1 Now=" + millisecond1.toString());
timeseries1.add(millisecond1, lastValue1);
//随机产生曲线2的数据
double d2 = 2.0D * Math.random();
lastValue2 = originalValue2 * d2;
Millisecond millisecond2 = new Millisecond();
System.out.println("Series2 Now=" + millisecond2.toString());
timeseries2.add(millisecond2,lastValue2);
Thread.sleep(500);
}catch(InterruptedException e){}
}
}
public static void startThread(){
thread1.start();
}
public void actionPerformed(ActionEvent e){
if(e.getActionCommand().equals("EXIT")){
thread1.interrupt();
System.exit(0);
}
}
public TimeSeriesDemo2(){
thread1 = new Thread(this);
originalValue1 = 100D;
originalValue2 = 100D;
//创建时序图对象
timeseries1 = new TimeSeries("热风温1",TimeSeriesDemo2.class$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("热风温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);
//创建jfreechart对象
JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("RTU温度模拟量实时曲线图","Time","Value",
timeseriescollection,true,true,false);
jfreechart.setBackgroundPaint(Color.white);
//设定显示风格
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);
//设定Value的范围
valueaxis = xyplot.getRangeAxis();
valueaxis.setRange(0.0D,200D);
xyplot.setDataset(1, timeseriescollection1);
xyplot.setRenderer(1,new DefaultXYItemRenderer());
//创建图表面板
ChartPanel chartpanel = new ChartPanel(jfreechart);
getContentPane().add(chartpanel);
//根据需要添加操作按钮
this.setTitle("RTU实时曲线");
JPanel jpanel = new JPanel();
jpanel.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));//边距为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;
}
}
本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u/13875/showart_78902.html |
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发表于 2006-02-27 12:00