一般的创建图表的过程为：
1． 从数据库里读取数据
2． 将数据保存到图表对应的数据集对象中
3． 创建坐标轴对象
4． 创建Renderer对象
5． 创建Plot对象
6． 创建JfreeChart对象
7． 生成图片文件（或者二进制流）
JFreeChart支持的图表类型总结
图表类型 工厂类方法 数据集类型 备注
柱状图 createBarChart CategoryDataset
柱状图3D createBarChart3D CategoryDataset
饼图 createPieChart PieDataset
饼图3D createPieChart3D PieDataset
线图 createLineChart CategoryDataset
线图3D createLineChart3D CategoryDataset
复合饼图 createMultiplePieChart CategoryDataset 需要设置TableOrder
复合饼图3D createMultiplePieChart3D CategoryDataset
环形图 createRingChart PieDataset
瀑布图 createWaterfallChart CategoryDataset 柱图特殊形式
面积图 createAreaChart CategoryDataset
散点图 createScatterPlot XYSeriesCollection
组织图 createHistogram XYSeriesCollection
数据点阶梯图 createXYStepChart XYSeriesCollection
堆积面积图 createStackedAreaChart CategoryDataset
堆积柱状图 createStackedBarChart CategoryDataset
堆积柱状图3D createStackedBarChart3D CategoryDataset
数据点线图 createXYLineChart XYSeriesCollection
数据点面积图 createXYAreaChart XYSeriesCollection
数据点阶梯面积图 createXYStepAreaChart XYSeriesCollection
堆积数据点面积图 createStackedXYAreaChart TableXYDataset
时序图 createTimeSeriesChart XYDataset
晶片图 createWaferMapChart WaferMapDataset
WindPlot createWindPlot WindDataset
极线图 createPolarChart XYDataset
气泡图 createBubbleChart XYZDataset
BoxAndWhiskerChart createBoxAndWhiskerChart BoxAndWhiskerXYDataset
烛台图 createCandlestickChart OHLCDataset
股价图 createHighLowChart OHLCDataset 2种 时间线差别
甘特图 createGanttChart IntervalCategoryDataset
数据点柱状图 createXYBarChart IntervalXYDataset
import java.util.Calendar;
import java.util.Date;
import org.jfree.chart.*;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.category.IntervalCategoryDataset;
import org.jfree.data.gantt.Task;
import org.jfree.data.gantt.TaskSeries;
import org.jfree.data.gantt.TaskSeriesCollection;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.data.time.SimpleTimePeriod;
import org.jfree.data.xy.DefaultOHLCDataset;
import org.jfree.data.xy.DefaultTableXYDataset;
import org.jfree.data.xy.DefaultXYZDataset;
import org.jfree.data.xy.OHLCDataItem;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
/** *//**
* @author xum @ 2006/09/14
* JFreeChart 数据集样例
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class ChartDataSet ...{
private static final String series1 = "series1";
private static final String series2 = "series2";
private static final String series3 = "series3";
private static final String category1 = "category1";
private static final String category2 = "category2";
private static final String category3 = "category3";
private static final String category4 = "category4";
private static final String category5 = "category5";
/** *//**
* CategoryDataset
* 支持图表类型
* BarChart
* BarChart3D
* LineChart
* LintChart3D
* AreaChart
* WaterfallChart
* MultiplePieChart
* MultiplePieChart3D
* StackedBarChart
* StackedBarChart3D
* StackedAreaChart
* @return CategoryDataset
*/
public static CategoryDataset createCategoryDataset()...{
DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset();
categoryDataset.addValue(2.0, series1, category1);
categoryDataset.addValue(4.0, series1, category2);
categoryDataset.addValue(3.0, series1, category3);
categoryDataset.addValue(7.0, series1, category4);
categoryDataset.addValue(5.0, series1, category5);
categoryDataset.addValue(5.0, series2, category1);
categoryDataset.addValue(9.0, series2, category2);
categoryDataset.addValue(6.0, series2, category3);
categoryDataset.addValue(5.0, series2, category4);
categoryDataset.addValue(2.0, series2, category5);
categoryDataset.addValue(6.5, series3, category1);
categoryDataset.addValue(7.5, series3, category2);
categoryDataset.addValue(4.0, series3, category3);
categoryDataset.addValue(8.0, series3, category4);
categoryDataset.addValue(9.0, series3, category5);
return categoryDataset;
}
/** *//**
* XYSeriesCollection
* 支持图表类型
* PolarChart
* XYBarChart
* XYLineChart
* XYStepAreaChart
* XYAreaChart
* XYStepChart
* Histogram
* ScatterPlot
* @return XYSeriesCollection
*/
public static XYSeriesCollection createXYSeriesCollection()...{
XYSeriesCollection dataset = new XYSeriesCollection();
XYSeries xyseries1 = new XYSeries(series1);
XYSeries xyseries2 = new XYSeries(series2);
XYSeries xyseries3 = new XYSeries(series3);
xyseries1.add(2.5, 6.0);
xyseries1.add(4.0, 3.5);
xyseries1.add(7.5, 5.5);
xyseries1.add(12.0, 7.0);
xyseries1.add(9.5, 10.0);
xyseries2.add(4.5, 11.0);
xyseries2.add(6.0, 3.5);
xyseries2.add(2.5, 5.0);
xyseries2.add(3.5, 6.5);
xyseries2.add(5.0, 7.0);
xyseries3.add(7.0, 12.0);
xyseries3.add(4.5, 8.0);
xyseries3.add(6.0, 4.5);
xyseries3.add(9.5, 11.0);
xyseries3.add(3.0, 6.0);
dataset.addSeries(xyseries1);
dataset.addSeries(xyseries2);
dataset.addSeries(xyseries3);
return dataset;
}
/** *//**
* DefaultTableXYDataset
* 支持图表类型
* StackedXYAreaChart
* @return DefaultTableXYDataset
*/
public static DefaultTableXYDataset createDefaultTableXYDataset()...{
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries xyseries1 = new XYSeries(series1);
XYSeries xyseries2 = new XYSeries(series2);
XYSeries xyseries3 = new XYSeries(series3);
xyseries1.add(2.5, 6.0);
xyseries1.add(4.0, 3.5);
xyseries1.add(7.5, 5.5);
xyseries1.add(12.0, 7.0);
xyseries1.add(9.5, 10.0);
xyseries2.add(4.5, 11.0);
xyseries2.add(6.0, 3.5);
xyseries2.add(2.5, 5.0);
xyseries2.add(3.5, 6.5);
xyseries2.add(5.0, 7.0);
xyseries3.add(7.0, 12.0);
xyseries3.add(4.5, 8.0);
xyseries3.add(6.0, 4.5);
xyseries3.add(9.5, 11.0);
xyseries3.add(3.0, 6.0);
dataset.addSeries(xyseries1);
dataset.addSeries(xyseries2);
dataset.addSeries(xyseries3);
return dataset;
}
/** *//**
* PieDataset
* 支持图表类型
* PieChart
* PieChart3D
* RingChart
* @return PieDataset
*/
public static PieDataset createPieDataset()...{
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue(category1, 12.0);
dataset.setValue(category2, 2.0);
dataset.setValue(category3, 4.0);
dataset.setValue(category4, 20.0);
dataset.setValue(category5, 7.0);
return dataset;
}
/** *//**
* IntervalCategoryDataset
* 支持图表类型
* GanttChart
* @return IntervalCategoryDataset
*/
public static IntervalCategoryDataset createGanttDataset()...{
TaskSeriesCollection taskSeriesCollection = new TaskSeriesCollection();
TaskSeries s1 = new TaskSeries("Scheduled");
s1.add(new Task("Write Proposal",
new SimpleTimePeriod(date(1, Calendar.APRIL, 2001),
date(5, Calendar.APRIL, 2001))));
s1.add(new Task("Obtain Approval",
new SimpleTimePeriod(date(9, Calendar.APRIL, 2001),
date(9, Calendar.APRIL, 2001))));
s1.add(new Task("Requirements Analysis",
new SimpleTimePeriod(date(10, Calendar.APRIL, 2001),
date(5, Calendar.MAY, 2001))));
s1.add(new Task("Design Phase",
new SimpleTimePeriod(date(6, Calendar.MAY, 2001),
date(30, Calendar.MAY, 2001))));
s1.add(new Task("Design Signoff",
new SimpleTimePeriod(date(2, Calendar.JUNE, 2001),
date(2, Calendar.JUNE, 2001))));
s1.add(new Task("Alpha Implementation",
new SimpleTimePeriod(date(3, Calendar.JUNE, 2001),
date(31, Calendar.JULY, 2001))));
s1.add(new Task("Design Review",
new SimpleTimePeriod(date(1, Calendar.AUGUST, 2001),
date(8, Calendar.AUGUST, 2001))));
s1.add(new Task("Revised Design Signoff",
new SimpleTimePeriod(date(10, Calendar.AUGUST, 2001),
date(10, Calendar.AUGUST, 2001))));
s1.add(new Task("Beta Implementation",
new SimpleTimePeriod(date(12, Calendar.AUGUST, 2001),
date(12, Calendar.SEPTEMBER, 2001))));
s1.add(new Task("Testing",
new SimpleTimePeriod(date(13, Calendar.SEPTEMBER, 2001),
date(31, Calendar.OCTOBER, 2001))));
s1.add(new Task("Final Implementation",
new SimpleTimePeriod(date(1, Calendar.NOVEMBER, 2001),
date(15, Calendar.NOVEMBER, 2001))));
s1.add(new Task("Signoff",
new SimpleTimePeriod(date(28, Calendar.NOVEMBER, 2001),
date(30, Calendar.NOVEMBER, 2001))));
TaskSeries s2 = new TaskSeries("Actual");
s2.add(new Task("Write Proposal",
new SimpleTimePeriod(date(1, Calendar.APRIL, 2001),
date(5, Calendar.APRIL, 2001))));
s2.add(new Task("Obtain Approval",
new SimpleTimePeriod(date(9, Calendar.APRIL, 2001),
date(9, Calendar.APRIL, 2001))));
s2.add(new Task("Requirements Analysis",
new SimpleTimePeriod(date(10, Calendar.APRIL, 2001),
date(15, Calendar.MAY, 2001))));
s2.add(new Task("Design Phase",
new SimpleTimePeriod(date(15, Calendar.MAY, 2001),
date(17, Calendar.JUNE, 2001))));
s2.add(new Task("Design Signoff",
new SimpleTimePeriod(date(30, Calendar.JUNE, 2001),
date(30, Calendar.JUNE, 2001))));
s2.add(new Task("Alpha Implementation",
new SimpleTimePeriod(date(1, Calendar.JULY, 2001),
date(12, Calendar.SEPTEMBER, 2001))));
s2.add(new Task("Design Review",
new SimpleTimePeriod(date(12, Calendar.SEPTEMBER, 2001),
date(22, Calendar.SEPTEMBER, 2001))));
s2.add(new Task("Revised Design Signoff",
new SimpleTimePeriod(date(25, Calendar.SEPTEMBER, 2001),
date(27, Calendar.SEPTEMBER, 2001))));
s2.add(new Task("Beta Implementation",
new SimpleTimePeriod(date(27, Calendar.SEPTEMBER, 2001),
date(30, Calendar.OCTOBER, 2001))));
s2.add(new Task("Testing",
new SimpleTimePeriod(date(31, Calendar.OCTOBER, 2001),
date(17, Calendar.NOVEMBER, 2001))));
s2.add(new Task("Final Implementation",
new SimpleTimePeriod(date(18, Calendar.NOVEMBER, 2001),
date(5, Calendar.DECEMBER, 2001))));
s2.add(new Task("Signoff",
new SimpleTimePeriod(date(10, Calendar.DECEMBER, 2001),
date(11, Calendar.DECEMBER, 2001))));
taskSeriesCollection.add(s1);
taskSeriesCollection.add(s2);
return taskSeriesCollection;
}
/** *//**
* DefaultOHLCDataset
* 支持的图表类型
* HighLowChart
* CandlestickChart
* @return DefaultOHLCDataset
*/
public static DefaultOHLCDataset createDefaultOHLCDataset()...{
OHLCDataItem[] data = new OHLCDataItem[10];
data[0] = new OHLCDataItem(new Date(11L), 2.0, 4.0, 1.0, 3.0, 100.0);
data[1] = new OHLCDataItem(new Date(22L), 4.0, 9.0, 2.0, 5.0, 120.0);
data[2] = new OHLCDataItem(new Date(33L), 3.0, 7.0, 3.0, 6.0, 140.0);
data[3] = new OHLCDataItem(new Date(25L), 2.0, 4.0, 1.0, 3.0, 100.0);
data[4] = new OHLCDataItem(new Date(47L), 4.0, 9.0, 2.0, 5.0, 120.0);
data[5] = new OHLCDataItem(new Date(58L), 3.0, 7.0, 3.0, 6.0, 140.0);
data[6] = new OHLCDataItem(new Date(60L), 2.0, 4.0, 1.0, 3.0, 100.0);
data[7] = new OHLCDataItem(new Date(44L), 4.0, 9.0, 2.0, 5.0, 120.0);
data[8] = new OHLCDataItem(new Date(38L), 3.0, 7.0, 3.0, 6.0, 140.0);
data[9] = new OHLCDataItem(new Date(40L), 3.0, 7.0, 3.0, 6.0, 140.0);
DefaultOHLCDataset defaultHighLowDataset = new DefaultOHLCDataset("OHLCDataset", data);
return defaultHighLowDataset;
}
/** *//**
* DefaultXYZDataset
* 支持图表类型
* BubbleChart
* @return DefaultXYZDataset
*/
public static DefaultXYZDataset createDefaultXYZDataset()...{
DefaultXYZDataset defaultXYZDataset = new DefaultXYZDataset();
double[] x1 = new double[] ...{1.0, 2.0, 3.0};
double[] y1 = new double[] ...{4.0, 5.0, 6.0};
double[] z1 = new double[] ...{7.0, 8.0, 9.0};
double[][] data1 = new double[][] ...{x1, y1, z1};
defaultXYZDataset.addSeries(series1, data1);
double[] x2 = new double[] ...{1.0, 2.0, 3.0};
double[] y2 = new double[] ...{4.0, 5.0, 6.0};
double[] z2 = new double[] ...{7.0, 8.0, 9.0};
double[][] data2 = new double[][] ...{x2, y2, z2};
defaultXYZDataset.addSeries(series1, data2);
return defaultXYZDataset;
}
private static Date date(int day, int month, int year) ...{
Calendar calendar = Calendar.getInstance();
calendar.set(year, month, day);
Date result = calendar.getTime();
return result;
}
}
JSP应用示例
<%@ page contentType="text/html; charset=gb2312"%>
<%@ page import="java.io.*"%>
<jsp:useBean id="FreeChart" scope="session" class="com.function.FreeChart"/>
<head>
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-cache">
<meta http-equiv="Expires" content="0">
</head>
<link rel="stylesheet" type="text/css" href="/defineOA/css/default.css">
<%
//初始化
//考虑图形中是否直接链接到统计查询表格
String strTimeList="";
String strMultipleTimeList="";
String strCategoryList="";
String strData="";
String strMultipleData="";
strTimeList="2005-05-01 00:00:00,2005-05-02 05:00:00,2005-05-03 10:00:00,2005-05-04 15:00:00,2005-05-05 20:00:00";
strMultipleTimeList="2005-05-01 00:00:00,2005-05-02 05:00:00,2005-05-03 10:00:00,2005-05-04 15:00:00,2005-05-05 20:00:00";
strCategoryList="JSP工作量,Servlet工作量,Bean工作量";
strData="1,2,3,4,5";
strMultipleData="1,2,3,4,5#2,3,4,5,6#3,4,5,6,7";
FreeChart.createDataset(strMultipleTimeList,strCategoryList,strMultipleData);
FreeChart.createDataset(strTimeList,strData);
FreeChart.setRender(true);
FreeChart.setTimeAxis("Hour");
if(request.getParameter("ChartType")==null)
{
FreeChart.createChart(1,"默认统计图","时间轴","统计值轴");
}
else
{
FreeChart.createChart(Integer.parseInt(request.getParameter("ChartType")),"统计图","时间轴","统计值轴");
}
FreeChart.createImageFile(800,400,session);
response.setHeader("Pragma","No-cache");
response.setDateHeader("Expires",0);
response.setHeader("Cache-Control","no-cache");
%>
<%
for(int iIndex=0;iIndex<FreeChart.vChartTypeArray.length;iIndex++)
{
%>
<input type=button class="GeneralButton" value="<%=FreeChart.vChartTypeArray[iIndex]%>" onclick="window.location=´/defineOA/test/chart.jsp?ChartType=<%=iIndex+1%>´;">
<%
}
%>
<br>
<fieldset>
<legend>图表</legend>
<!--class="GeneralImage"-->
<br>
<center>
<table>
<tr>
<td style="border:1 solid #3399CC;"><img src="<%=FreeChart.getImageFile()%>"></td>
</tr>
</table>
</center>
<br>
</fieldset>
相关推荐
JFreeChart 混合图表 Example for mutiple jfreechart plot. Demonstration for the chart!
本文档主要讲述的是使用 JFreeChart来创建基于web的图表;JFreeChart是开放源代码站点SourceForge.net上的一个JAVA项目，它主要用来各种各样的图表，这些图表包括：饼图、柱状图(普通柱状图以及堆栈柱状图)、线图、...
深入探究JFreeChart(图表报表实用教材) 深入探究JFreeChart(图表报表实用教材) 深入探究JFreeChart(图表报表实用教材)
Jfreechart生成图表的一个例子，能生成柱状图、饼状图、线状图，代码有详细的注释，很适合初学者学习。
JfreeChart学习总结JfreeChart学习总结
jfreechart生成各种图表 柱状 饼状 折线 锥状
android类似于Jfreechart的图表
JFreeChart 典型图表生成及属性设置示例
在 JavaFx 中使用 JFreeChart 生成图表的方法
JFreeChart是JAVA平台上的一个开放的图表绘制类库。它完全使用JAVA语言编写，是为applications, applets, servlets 以及JSP等使用所设计。JFreeChart可生成饼图（pie charts）、柱状图（bar charts）、 散点图...
使用JfreeChart创建柱状图,折线图,饼图,堆积柱状图,时间序列图,二维Y轴坐标图.自己把自己整理的所有笔记和代码全都分享出来,希望大家在做图表的时候,不至于因为JfreeChart丑就不采用。
在android开发中，开发出各种类似于Jfreechart的图表，如饼状图，柱形图等等！
使用JFreeChart创建图表.ppt
在Struts中用JFreeChart生成图表.pdf
JFreeChart是开放源代码站点SourceForge.net上的一个JAVA项目，它主要用来各种各样的图表，这些图表包括：饼图、柱状图(普通柱状图以及堆栈柱状图)、线图、区域图、分布图、混合图、甘特图以及一些仪表盘等等。...
JFreeChart Java图表组件 v1.0.12
jfreechart图表教程-- jfreechart图表教程-- jfreechart图表教程
JFreeChart四种图表报表，提供用户良好的展示效果，欢迎下载！
JFreeChart生成图表的例子,可以生成饼图，柱状图，时间图等等，绝版java代码！
jfreechart图表demo,带有maven依赖。