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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; } } ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ 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; } } |
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