package com.hitangjun.jfreechart.demo;
/**
* =============================================================
* JFreeChart开发：利用JFreeChart开发实时曲线
* =============================================================
*/
// 导入java2d包
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
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.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Millisecond;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.RefineryUtilities;
public class TimeSeriesDemo1 extends JFrame implements Runnable, ActionListener {
// 时序图数据集
// private TimeSeries timeseries;
private TimeSeries timeseries;
XYSeries s3 = new XYSeries("次序值");
// Value坐标轴初始值
private double lastValue;
static Class class$org$jfree$data$time$Millisecond;
static Thread thread1;
private javax.swing.JPanel jPanel1;
int step = 10;
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);
// 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;
System.out.println("step = "+step+",lastvalue = "+lastValue);
s3.add(step, lastValue);
step+=5;
Thread.sleep(1000);
} catch (InterruptedException e) {
}
}
}
private void initComponents(Component comp) {
jPanel1 = new javax.swing.JPanel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("窗口demo");
setLocationByPlatform(true);
setResizable(false);
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("panel标题"));
jPanel1.setToolTipText("串口设置");
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 350, Short.MAX_VALUE)
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 180, Short.MAX_VALUE)
);
// jPanel1.add( comp );
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(19, 19, 19)
.addComponent(comp, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap(472, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(19, 19, 19)
.addComponent(comp, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap(117, Short.MAX_VALUE))
);
jPanel1.getAccessibleContext().setAccessibleName("饭店");
pack();
}
public static void startThread() {
thread1.start();
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("EXIT")) {
thread1.interrupt();
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);
XYSeriesCollection dataset = new XYSeriesCollection(s3);
dataset.addSeries( s3 );
// 创建图表面板
ChartPanel chartpanel = new ChartPanel(
createChart(dataset));
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,"South");
// getContentPane().add(jpanel, "South");
initComponents(chartpanel);
}
private JFreeChart createChart(XYDataset xydataset) {
JFreeChart jfreechart = ChartFactory.createXYLineChart("时序图例子",
"时间", "温度值", xydataset, PlotOrientation.VERTICAL, true, true, false);
XYPlot xyplot = jfreechart.getXYPlot();
// 横纵坐标设定
ValueAxis valueaxis = xyplot.getDomainAxis();
valueaxis.setRange( 1, 300D );
valueaxis.setAutoRange(true);
valueaxis.setFixedAutoRange(300D);
valueaxis = xyplot.getRangeAxis();
valueaxis.setRange(0.0D, 200D);
configFont(jfreechart);
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;
}
/**
* 配置字体
* @param chart JFreeChart 对象
*/
private void configFont(JFreeChart chart){
// 配置字体
Font xfont = new Font("宋体",Font.PLAIN,12) ;// X轴
Font yfont = new Font("宋体",Font.PLAIN,12) ;// Y轴
Font kfont = new Font("宋体",Font.PLAIN,12) ;// 底部
Font titleFont = new Font("隶书", Font.BOLD , 25) ; // 图片标题
XYPlot plot = chart.getXYPlot();// 重生之大文豪www.dwhao.com图形的绘制结构对象
// 图片标题
chart.setTitle(new TextTitle(chart.getTitle().getText(),titleFont));
// 底部
chart.getLegend().setItemFont(kfont);
// X 轴
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setLabelFont(xfont);// 轴标题
domainAxis.setTickLabelFont(xfont);// 轴数值
domainAxis.setTickLabelPaint(Color.BLUE) ; // 字体颜色
// domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 横轴上的label斜显示
// Y 轴
ValueAxis rangeAxis = plot.getRangeAxis();
rangeAxis.setLabelFont(yfont);
rangeAxis.setLabelPaint(Color.BLUE) ; // 字体颜色
rangeAxis.setTickLabelFont(yfont);
}
}