package com.cityinforport.demo;
/**
* =============================================================
* JFreeChart開(kāi)發(fā):利用JFreeChart開(kāi)發(fā)實(shí)時(shí)曲線(xiàn)
* =============================================================
* Description:該例子演示了單條曲線(xiàn)的簡(jiǎn)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(xiàn)程調用 by xmf
* 2005-03-02 界面調整 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(shí)序圖數據集
private TimeSeries timeseries;
//Value坐標軸初始值
private double lastValue;
static Class class$org$jfree$data$time$Millisecond;
static Thread thread1;
public static void main(String[] args){
TimeSeriesDemo1 TimeSeriesDemo1 = new TimeSeriesDemo1();
TimeSeriesDemo1.pack();
RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo1);
TimeSeriesDemo1.setVisible(true);
startThread();
}
public void run(){
while(true){
try{
//根據實(shí)際需要在此處加入需要執行的代碼
double d = 0.9D + 0.2D * Math.random();
lastValue = lastValue * d;
Millisecond millisecond = new Millisecond();
System.out.println("Now=" + millisecond.toString());
timeseries.add(millisecond, lastValue);
Thread.sleep(300);
}catch(InterruptedException e){}
}
}
public static void startThread(){
thread1.start();
}
public void actionPerformed(ActionEvent e){
if(e.getActionCommand().equals("EXIT")){
thread1.destroy();
System.exit(0);
}
}
public TimeSeriesDemo1(){
//super(new BorderLayout());
thread1 = new Thread(this);
lastValue = 100D;
//創(chuàng )建時(shí)序圖對象
timeseries = new TimeSeries("Random Data",TimeSeriesDemo1.class$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(shí)序圖例子","時(shí)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;
}
}
===============================================
package com.cityinforport.demo;
/**
* =============================================================
* JFreeChart開(kāi)發(fā):利用JFreeChart開(kāi)發(fā)實(shí)時(shí)曲線(xiàn)
* =============================================================
* Description:該例子演示了多條曲線(xiàn)的簡(jiǎn)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(diǎn)、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(shí)時(shí)曲線(xiàn)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$Millisecond;
static Thread thread1;
public static void main(String[] args){
TimeSeriesDemo2 TimeSeriesDemo2 = new TimeSeriesDemo2();
TimeSeriesDemo2.pack();
RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo2);
TimeSeriesDemo2.setVisible(true);
startThread();
}
public void run(){
while(true){
try{
//說(shuō)明:在此處添加具體的業(yè)務(wù)數據
//隨機產(chǎn)生曲線(xiàn)1的數據
double d1 = 2.0D * Math.random();
lastValue1 = originalValue1 * d1;
Millisecond millisecond1 = new Millisecond();
System.out.println("Series1 Now=" + millisecond1.toString());
timeseries1.add(millisecond1, lastValue1);
//隨機產(chǎn)生曲線(xiàn)2的數據
double d2 = 2.0D * Math.random();
lastValue2 = originalValue2 * d2;
Millisecond millisecond2 = new Millisecond();
System.out.println("Series2 Now=" + millisecond2.toString());
timeseries2.add(millisecond2,lastValue2);
Thread.sleep(500);
}catch(InterruptedException e){}
}
}
public static void startThread(){
thread1.start();
}
public void actionPerformed(ActionEvent e){
if(e.getActionCommand().equals("EXIT")){
thread1.interrupt();
System.exit(0);
}
}
public TimeSeriesDemo2(){
thread1 = new Thread(this);
originalValue1 = 100D;
originalValue2 = 100D;
//創(chuàng )建時(shí)序圖對象
timeseries1 = new TimeSeries("熱風(fēng)溫1",TimeSeriesDemo2.class$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(fēng)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(shí)時(shí)曲線(xiàn)圖","Time","Value",
timeseriescollection,true,true,false);
jfreechart.setBackgroundPaint(Color.white);
//設定顯示風(fēng)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);
//根據需要添加操作按鈕
this.setTitle("RTU實(shí)時(shí)曲線(xiàn)");
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;
}
}