Dialplot.zip_dialplot java_site:www.pudn.com_仪表盘

package edu.test; import java.awt.Color; import java.awt.Font; import java.awt.GradientPaint; import java.awt.Point; import javax.swing.JFrame; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.dial.DialBackground; import org.jfree.chart.plot.dial.DialCap; import org.jfree.chart.plot.dial.DialPlot; import org.jfree.chart.plot.dial.DialTextAnnotation; import org.jfree.chart.plot.dial.DialValueIndicator; import org.jfree.chart.plot.dial.StandardDialFrame; import org.jfree.chart.plot.dial.StandardDialRange; import org.jfree.chart.plot.dial.StandardDialScale; import org.jfree.chart.servlet.ServletUtilities; import org.jfree.data.general.DefaultValueDataset; import org.jfree.ui.GradientPaintTransformType; import org.jfree.ui.GradientPaintTransformer; import org.jfree.ui.StandardGradientPaintTransformer; public class Dialplot extends JFrame implements Runnable{ private DefaultValueDataset dataset; public void setdataset(double t) { this.dataset.setValue(t); } public void setDialplot () { dataset = new DefaultValueDataset(); dataset = new DefaultValueDataset(20D); DialPlot dialplot = new DialPlot(); dialplot.setDataset(dataset); //开始设置显示框架结构 StandardDialFrame standarddialframe= new StandardDialFrame(); standarddialframe.setBackgroundPaint(Color.black); standarddialframe.setForegroundPaint(Color.darkGray);//圆边的颜色 dialplot.setDialFrame(standarddialframe); //结束设置显示框架结构 GradientPaint gradientpaint = new GradientPaint(new Point(), new Color(255, 255, 255), new Point(), new Color(170, 170, 220)); DialBackground dialbackground = new DialBackground(gradientpaint); dialbackground.setGradientPaintTransformer((GradientPaintTransformer) new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL)); dialplot.setBackground(dialbackground); //设置显示在表盘中央位置的信息 DialTextAnnotation dialtextannotation = new DialTextAnnotation("包速率"); dialtextannotation.setFont(new Font("Dialog", 17, 17)); dialtextannotation.setRadius(0.6D);//字体距离圆心的距离 dialplot.addLayer(dialtextannotation); DialValueIndicator dialvalueindicator = new DialValueIndicator(0); dialplot.addLayer(dialvalueindicator); //根据表盘的直径大小（0.88），设置总刻度范围 StandardDialScale standarddialscale = new StandardDialScale(0.0D,100.0D,-120.0D,-300.0D,10D,9); standarddialscale.setTickRadius(0.9D); standarddialscale.setTickLabelOffset(0.1D);//显示数字 距离圆边的距离 standarddialscale.setTickLabelFont(new Font("Dialog", 0, 14)); //主意是 dialplot.addScale（）不是dialplot.addLayer（） dialplot.addScale(0, standarddialscale); //设置刻度范围（红色） StandardDialRange standarddialrange = new StandardDialRange(0D, 50D, Color.green); standarddialrange.setInnerRadius(0.6D); standarddialrange.setOuterRadius(0.62D); dialplot.addLayer(standarddialrange); //设置刻度范围（橘黄色） StandardDialRange standarddialrange1 = new StandardDialRange(50D, 80D, Color.orange); standarddialrange1.setInnerRadius(0.6D);// 半径返回 两条线 standarddialrange1.setOuterRadius(0.62D); dialplot.addLayer(standarddialrange1); //设置刻度范围（绿色） StandardDialRange standarddialrange2 = new StandardDialRange(80D, 100D, Color.red); standarddialrange2.setInnerRadius(0.6D); standarddialrange2.setOuterRadius(0.62D); dialplot.addLayer(standarddialrange2); //设置指针 org.jfree.chart.plot.dial.DialPointer.Pointer pointer = new org.jfree.chart.plot.dial.DialPointer.Pointer(); dialplot.addLayer(pointer); //实例化DialCap DialCap dialcap = new DialCap(); dialcap.setRadius(0.1D);//指针中心圆的大小 dialplot.setCap(dialcap); //生成chart对象 JFreeChart jfreechart = new JFreeChart(dialplot); //设置标题 jfreechart.setTitle("数据包传输速率"); ChartPanel chartPanel = new ChartPanel(jfreechart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 500)); this.getContentPane().add(chartPanel); } public static void main(String args[]) { Dialplot a=new Dialplot(); a.setTitle("jfreechart tset"); a.setSize(600,500); a.setDefaultCloseOperation(EXIT_ON_CLOSE); a.setDialplot(); a.setdataset(11.33); new Thread(a).start(); a.setVisible(true); } @Override public void run() { // TODO Auto-generated method stub double k; while(true) { k=1; for(double i=0.01;k<100;i+=0.01) { k=k+i; this.setdataset(k); try { Thread.sleep(100); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } }