swt和jfreechart做 java的监控界面程序
/*
* testChart.java
*
* Created on 2008年9月10日, 下午11:14
*/
package chart;
//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;
/**
*
* @author Administrator
*/
public class testChart extends JFrame implements Runnable, ActionListener {
//时序图数据集
private TimeSeries timeseries,timeseries2;
//Value坐标轴初始值
private double lastValue,tValue;
static Class class$org$jfree$data$time$Millisecond;
static Thread thread1;
/** Creates new form testChart */
public testChart() {
//super(new BorderLayout());
thread1 = new Thread(this);
lastValue = 100D;
//创建时序图对象
timeseries = new TimeSeries("Random Data", testChart.class$org$jfree$data$time$Millisecond != null ? testChart.class$org$jfree$data$time$Millisecond : (testChart.class$org$jfree$data$time$Millisecond = testChart.getClass("org.jfree.data.time.Millisecond")));
TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);
timeseries2 = new TimeSeries("sdf Data", testChart.class$org$jfree$data$time$Millisecond != null ? testChart.class$org$jfree$data$time$Millisecond : (testChart.class$org$jfree$data$time$Millisecond = testChart.getClass("org.jfree.data.time.Millisecond")));
TimeSeriesCollection timeseriescollection2 = new TimeSeriesCollection(timeseries2);
//创建图表面板
ChartPanel chartpanel = new ChartPanel(createChart(timeseriescollection));
chartpanel.setPreferredSize(new Dimension(500, 270));
initComponents();
jTabbedPane2.add(chartpanel);
jTabbedPane3.add(chartpanel);
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jTabbedPane1 = new javax.swing.JTabbedPane();
jTabbedPane3 = new javax.swing.JTabbedPane();
jTabbedPane2 = new javax.swing.JTabbedPane();
textField1 = new java.awt.TextField();
textField2 = new java.awt.TextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setName("Form"); // NOI18N
jTabbedPane1.setName("jTabbedPane1"); // NOI18N
jTabbedPane3.setName("jTabbedPane3"); // NOI18N
org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(desktopapplication1.DesktopApplication1.class).getContext().getResourceMap(testChart.class);
jTabbedPane1.addTab(resourceMap.getString("jTabbedPane3.TabConstraints.tabTitle"), jTabbedPane3); // NOI18N
jTabbedPane2.setName("jTabbedPane2"); // NOI18N
jTabbedPane1.addTab(resourceMap.getString("jTabbedPane2.TabConstraints.tabTitle"), jTabbedPane2); // NOI18N
textField1.setFont(resourceMap.getFont("textField1.font")); // NOI18N
textField1.setName("textField1"); // NOI18N
textField1.setText(resourceMap.getString("textField1.text")); // NOI18N
textField2.setName("textField2"); // NOI18N
textField2.setText(resourceMap.getString("textField2.text")); // NOI18N
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 608, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(textField2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(textField1, javax.swing.GroupLayout.DEFAULT_SIZE, 100, Short.MAX_VALUE))
.addContainerGap(88, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(jTabbedPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 305, Short.MAX_VALUE)
.addGap(57, 57, 57))
.addGroup(layout.createSequentialGroup()
.addGap(21, 21, 21)
.addComponent(textField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(textField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(287, 287, 287))
);
pack();
}// </editor-fold>
public static void startThread() {
thread1.start();
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
testChart testchart = new testChart();
testchart.pack();
RefineryUtilities.centerFrameOnScreen(testchart);
testchart.setVisible(true);
startThread();
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("EXIT")) {
thread1.destroy();
System.exit(0);
}
}
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;
double b = 0.9D + 0.2D * Math.random();
tValue = tValue * b;
Millisecond millisecond = new Millisecond();
System.out.println("Now=" + millisecond.toString());
timeseries.add(millisecond, lastValue);
timeseries2.add(millisecond, tValue);
textField1.setText(Double.toString(lastValue));
textField2.setText(Double.toString(tValue));
Thread.sleep(300);
} catch (InterruptedException e) {
}
}
}
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;
}
// Variables declaration - do not modify
private javax.swing.JTabbedPane jTabbedPane1;
private javax.swing.JTabbedPane jTabbedPane2;
private javax.swing.JTabbedPane jTabbedPane3;
private java.awt.TextField textField1;
private java.awt.TextField textField2;
// End of variables declaration
}