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//=====================================================================
//Title£ºJFreeChartÈëÃÅÖ¸ÄÏ
//Author:лĪ·æ Email:yyxmf111@sogou.com   QQ:35814522
//=====================================================================
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                     <servlet-name>DisplayChart</servlet-name>
                     <servlet-class>org.jfree.chart.servlet.DisplayChart</servlet-class>
                 </servlet>
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                     <servlet-name>DisplayChart</servlet-name>
                     <url-pattern>/servlet/DisplayChart</url-pattern>
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     bar charts (regular and stacked, with an optional 3D effect)£ºÖù״ͼ
     line and area charts£ºÇúÏßͼ
     scatter plots and bubble charts
     time series, high/low/open/close charts and candle stick charts£ºÊ±Ðòͼ
     combination charts£º¸´ºÏͼ
     Pareto charts
     Gantt charts£º¸ÊÌØÍ¼
     wind plots, meter charts and symbol charts
     wafer map charts
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/**
* Description:This application is the first jfreechart
* authort:лĪ·æ
* Datetime:20058-02-11
*/
package demo;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.data.general.DefaultPieDataset;

public class FirstJFreeChart {
   public FirstJFreeChart() {
   }
  
   public static void main(String[] args){
     DefaultPieDataset dpd = new DefaultPieDataset();
     dpd.setValue("¹ÜÀíÈËÔ±",25);
     dpd.setValue("Êг¡ÈËÔ±",25);
     dpd.setValue("¿ª·¢ÈËÔ±",45);
     dpd.setValue("ÆäËûÈËÔ±",5);
    
     //Create JFreeChart object
     //²ÎÊý¿ÉÒԲ鿴ԴÂë
     JFreeChart pieChart = ChartFactory.createPieChart("CityInfoPort¹«Ë¾×éÖ¯¼Ü¹¹Í¼",dpd,true,true,false);
     ChartFrame pieFrame = new ChartFrame("CityInfoPort¹«Ë¾×éÖ¯¼Ü¹¹Í¼",pieChart);
     pieFrame.pack();
     pieFrame.setVisible(true);
   }
}

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/**
* Description:This application is the first jfreechart
* authort:лĪ·æ
* Datetime:20058-02-11
*/
package com.cityinforport.demo;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import java.awt.Font;
import javax.swing.*;


public class FirstJFreeChart extends ApplicationFrame {
   //¹¹Ô캯Êý
   public FirstJFreeChart(String s){
     super(s);
     setContentPane(createDemoPanel());
   }
  
   public static void main(String[] args){
     FirstJFreeChart fjc = new FirstJFreeChart("CityInfoPort¹«Ë¾×éÖ¯¼Ü¹¹Í¼");
     fjc.pack();
     RefineryUtilities.centerFrameOnScreen(fjc);
     fjc.setVisible(true);
   }
  
   //Éú³É±ýͼÊý¾Ý¼¯¶ÔÏó
   public static PieDataset createDataset(){
     DefaultPieDataset defaultpiedataset = new DefaultPieDataset();
     defaultpiedataset.setValue("¹ÜÀíÈËÔ±",10.02D);
     defaultpiedataset.setValue("Êг¡ÈËÔ±",20.23D);
     defaultpiedataset.setValue("¿ª·¢ÈËÔ±",60.02D);
     defaultpiedataset.setValue("OEMÈËÔ±",10.02D);
     defaultpiedataset.setValue("ÆäËûÈËÔ±",5.11D);
    
     return defaultpiedataset;
   }
  
   //Éú³Éͼ±íÖ÷¶ÔÏóJFreeChart
   public static JFreeChart createChart(PieDataset piedataset){
     //¶¨Òåͼ±í¶ÔÏó
     JFreeChart jfreechart = ChartFactory.createPieChart("CityInfoPort¹«Ë¾×éÖ¯¼Ü¹¹Í¼",piedataset,true,true,false);
     //»ñµÃͼ±íÏÔʾ¶ÔÏó
     PiePlot pieplot = (PiePlot)jfreechart.getPlot();
     //ÉèÖÃͼ±í±êÇ©×ÖÌå
     pieplot.setLabelFont(new Font("SansSerif",Font.BOLD,12));
     pieplot.setNoDataMessage("No data available");
     pieplot.setCircular(true);
     pieplot.setLabelGap(0.01D);//¼ä¾à
    
     return jfreechart;
   }
  
   //Éú³ÉÏÔʾͼ±íµÄÃæ°å
   public static JPanel createDemoPanel(){
     JFreeChart jfreechart = createChart(createDataset());
     return new ChartPanel(jfreechart);
   }
  
}


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