Jfreechart+ChartPanel实时曲线图实例

Jfreechart+ChartPanel实时曲线图实例如图：package com.wl.test.servlet;import java.awt.AWTException;import java.awt.Color;import java.awt.Dimension;import java.awt.Frame;import java.awt.Image;import java.awt.MenuItem;import java.awt.PopupMenu;import java.awt.SystemTray;import java.awt.Toolkit;import java.awt.TrayIcon;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.util.Calendar;import java.util.Random;import javax.swing.JFrame;import javax.swing.JOptionPane;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartPanel;import org.jfree.chart.JFreeChart;import org.jfree.chart.axis.NumberTickUnit;import org.jfree.chart.axis.ValueAxis;import bels.ItemLabelAnchor;import bels.ItemLabelPosition;import bels.StandardXYItemLabelGenerator; import org.jfree.chart.plot.XYPlot;import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.chart.title.TextTitle;import lisecond;import org.jfree.data.time.TimeSeries;import org.jfree.data.time.TimeSeriesCollection;import org.jfree.ui.TextAnchor;public class TEST4 extends JFrame {/**-* @author wanglong-* @description JfreeChart+ChartPanel实时曲线图­* @param args-*/private TrayIcon trayIcon;TimeSeries ts,ts2;public static void main(String[] args) {// TODO Auto-generated method stub-new TEST4();}public TEST4(){jbinit();}public void jbinit(){this.getContentPane().setLayout(null);this.setSize(600,400);this.setResizable(false);this.setLocationRelativeTo(null);this.setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);//设置默认的关闭窗口的方式­MyTray();MyAction();MyChart();StartThread();this.show();}public void MyChart(){ts=new TimeSeries("温度",Millisecond.class);ts2=new TimeSeries("湿度",Millisecond.class);TimeSeriesCollection tsc=new TimeSeriesCollection();tsc.addSeries(ts);tsc.addSeries(ts2);JFreeChart jfChart=ChartFactory.createTimeSeriesChart("实时曲线图","时间", "数值", tsc, true, true, true);TextTitle subTitle=new TextTitle(String.valueOf(Calendar.getInstance().get(Calendar.YEAR))+"年份");jfChart.addSubtitle(subTitle);//设置子标题­XYPlot xyPlot=(XYPlot)jfChart.getPlot();xyPlot.setDomainGridlinePaint(Color.red);//设置竖网格颜色­xyPlot.setRangeGridlinePaint(Color.orange);//设置横网格颜色­ValueAxis vx=xyPlot.getDomainAxis();//vx.setRange(0.0D,2000D);//设置Y轴范围­//坐标轴标尺值字体­//vx.setTickLabelFont(new Font("Serif",Font.CENTER_BASELINE,13));-//vx.setLabelFont(new Font("Serif",Font.CENTER_BASELINE,15));-//纵坐标间距设置­//vx.setTickUnit(new NumberTickUnit(20));-vx.setAutoRange(true);XYLineAndShapeRenderer xr=(XYLineAndShapeRenderer)xyPlot.getRenderer();xr.setSeriesPaint(0, Color.blue);//设置线的颜色­xr.setSeriesPaint(1, Color.green);xr.setBaseShapesVisible(true);//显示线上各个数据点­//显示数据点上的数据值­xr.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());xr.setBasePositiveItemLabelPosition(newItemLabelPosition(ItemLabelAnchor.OUTSIDE12,TextAnchor.BASELINE_RIGHT));xr.setBaseItemLabelsVisible(true);ChartPanel cp=new ChartPanel(jfChart);cp.setSize(new Dimension(550,350));this.getContentPane().add(cp);}public void StartThread(){DataThread dt=new DataThread();dt.start();}public void MyAction(){this.addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e) {int result=JOptionPane.showConfirmDialog(null, "确定要退出吗？","退出",JOptionPane.OK_CANCEL_OPTION);if(result==JOptionPane.OK_OPTION){System.exit(0);}}public void windowIconified(WindowEvent e){if(SystemTray.isSupported()){setVisible(false);SystemTray st=SystemTray.getSystemTray();try {st.add(trayIcon);//添加系统托盘­} catch (AWTException e1) {// TODO Auto-generated catch block-e1.printStackTrace();}}}});}public void MyTray(){PopupMenu pm=new PopupMenu();MenuItem showItem=new MenuItem("SHOW");MenuItem exitItem=new MenuItem("EXIT");pm.add(showItem);pm.add(exitItem);Image image = Toolkit.getDefaultToolkit().getImage(ClassLoader.getSystemResource("wap.jpg"));trayIcon=new TrayIcon(image,"chart test",pm);showItem.addActionListener(new ActionListener(){@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stub-setVisible(true);setExtendedState(Frame.NORMAL);SystemTray.getSystemTray().remove(trayIcon);//移除系统托盘­}});exitItem.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){int result=JOptionPane.showConfirmDialog(null, "确实要退出吗？","退出",JOptionPane.OK_CANCEL_OPTION);if(result==JOptionPane.OK_OPTION){System.exit(0);}}});}class DataThread extends Thread{public void run(){while(true){Millisecond ms=new Millisecond();ts.add(ms,new Random().nextInt(500)); ts2.add(ms,new Random().nextInt(500)); try {this.sleep(30000);} catch (InterruptedException e) {// TODO Auto-generated catch block-e.printStackTrace();}}} } }。