开发环境：
eclipse Java EE IDE luna
struts2.3.20
maven3.2.5
pom.xml文件依赖配置
2.3.20 javax.servlet javax.servlet-api 3.0.1 provided org.apache.struts struts2-core ${struts.version} org.apache.struts struts2-jfreechart-plugin ${struts.version} junit junit 4.7 test jfree jfreechart 1.0.13
web.xml配置
Archetype Created Web Application struts-prepare org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter struts-execute org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter struts-prepare /* struts-execute /*
struts.xml配置
700 400 700 400 700 400
相关类：
package com.ouanui;
import java.awt.Font;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import com.opensymphony.xwork2.ActionSupport;
public class BarChart3DAction extends ActionSupport {
private static final long serialVersionUID = -493282687582801540L;
private JFreeChart chart;
public JFreeChart getChart() {
chart = ChartFactory.createBarChart3D("学生成绩分析", "成绩", "人数", getDataset(),
PlotOrientation.VERTICAL, true, false, false);
chart.setTitle(new TextTitle("学生成绩分析", new Font("黑体", Font.ITALIC, 22)));
LegendTitle legend = chart.getLegend();
// 修改图例的字体
legend.setItemFont(new Font("宋体", Font.ITALIC, 14));
CategoryPlot plot = (CategoryPlot) chart.getPlot();
// 取得横轴
CategoryAxis categoryAxis = plot.getDomainAxis();
categoryAxis.setLabelFont(new Font("宋体", Font.BOLD, 22));
// 分类标签以45度角倾斜
categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
categoryAxis.setTickLabelFont(new Font("宋体", Font.BOLD, 22));
// 取得纵轴
NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis();
numberAxis.setLabelFont(new Font("宋体", Font.BOLD, 22));
return chart;
}
/**
*
* @return
*/
private CategoryDataset getDataset() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(2, "1班", "不及格");
dataset.addValue(4, "2班", "不及格");
dataset.addValue(5, "3班", "不及格");
dataset.addValue(8, "1班", "及格");
dataset.addValue(5, "2班", "及格");
dataset.addValue(10, "3班", "及格");
dataset.addValue(15, "1班", "中等");
dataset.addValue(10, "2班", "中等");
dataset.addValue(10, "3班", "中等");
dataset.addValue(15, "1班", "良好");
dataset.addValue(15, "2班", "良好");
dataset.addValue(15, "3班", "良好");
dataset.addValue(5, "1班", "优秀");
dataset.addValue(5, "2班", "优秀");
dataset.addValue(5, "3班", "优秀");
return dataset;
}
public void setChart(JFreeChart chart) {
this.chart = chart;
}
}
package com.ouanui;
import java.awt.Font;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import com.opensymphony.xwork2.ActionSupport;
public class LineChartAction extends ActionSupport {
private static final long serialVersionUID = 1L;
private JFreeChart chart;
public JFreeChart getChart() {
// title:
// timeAxisLabel:
// valueAxisLabel
// dataset
// legend:如果设置为 false,则在jsp页面不展示
// tooltips
// urls
chart = ChartFactory.createTimeSeriesChart("水果销量统计图", "水果", "销量", getDataSet(), true,
false, false);
// 重新设置图标标题，改变字体
chart.setTitle(new TextTitle("水果销量统计图", new Font("黑体", Font.ITALIC, 22)));
// 取得统计图标的第一个图例
LegendTitle legend = chart.getLegend(0);
// 修改图例的字体
legend.setItemFont(new Font("宋体", Font.BOLD, 14));
XYPlot plot = (XYPlot) chart.getPlot();
// 取得横轴
ValueAxis categoryAxis = plot.getDomainAxis();
// 设置横轴显示标签的字体
categoryAxis.setLabelFont(new Font("宋体", Font.BOLD, 22));
// x轴坐标样式
categoryAxis.setTickLabelFont(new Font("宋体", Font.BOLD, 10));
// 取得纵轴
NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis();
// 设置纵轴显示标签的字体
numberAxis.setLabelFont(new Font("宋体", Font.BOLD, 22));
// // 显示y轴0值
// numberAxis.setAutoRangeIncludesZero(true);
// 设置y轴取值范围
numberAxis.setRange(0, 5000);
return chart;
}
public void setChart(JFreeChart chart) {
this.chart = chart;
}
// 返回一个CategoryDataset实例
private static XYDataset getDataSet() {
TimeSeries apple = new TimeSeries("苹果", null, null);
apple.add(new Month(10, 2007), 3900);
apple.add(new Month(11, 2007), 900);
apple.add(new Month(12, 2007), 2500);
apple.add(new Month(1, 2008), 3900);
apple.add(new Month(2, 2008), 2000);
apple.add(new Month(3, 2008), 3300);
TimeSeries orange = new TimeSeries("桔子", null, null);
orange.add(new Month(10, 2007), 3300);
orange.add(new Month(11, 2007), 2680);
orange.add(new Month(12, 2007), 2000);
orange.add(new Month(1, 2008), 1900);
orange.add(new Month(2, 2008), 2000);
orange.add(new Month(3, 2008), 2300);
TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(apple);
dataset.addSeries(orange);
return dataset;
}
}
package com.ouanui;
import java.awt.Font;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.general.DefaultPieDataset;
import com.opensymphony.xwork2.ActionSupport;
public class PieChart3DAction extends ActionSupport {
private static final long serialVersionUID = 2375583709245146510L;
private JFreeChart chart;
public JFreeChart getChart() {
chart = ChartFactory.createPieChart3D("学生成绩分析", getDataset(), true, false, false);
chart.setTitle(new TextTitle("学生成绩分析", new Font("黑体", Font.ITALIC, 22)));
LegendTitle legend = chart.getLegend();
legend.setItemFont(new Font("宋体", Font.ITALIC, 14));
PiePlot3D plot = (PiePlot3D) chart.getPlot();
plot.setLabelFont(new Font("隶书", Font.ITALIC, 18));
// 设定背景透明度（0-1.0之间）
plot.setBackgroundAlpha(0.9f);
// 设定前景透明度（0-1.0之间）
plot.setForegroundAlpha(0.50f);
String unitStyle = "{0}={1}({2})";
// 设置图例显示样式
plot.setLabelGenerator(new StandardPieSectionLabelGenerator(unitStyle,
NumberFormat.getNumberInstance(), new DecimalFormat("0.00%")));
// 设置引用标签显示样式
plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator(unitStyle, NumberFormat
.getNumberInstance(), new DecimalFormat("0.00%")));
return chart;
}
public void setChart(JFreeChart chart) {
this.chart = chart;
}
private DefaultPieDataset getDataset() {
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue("不及格", 2);
dataset.setValue("及格", 8);
dataset.setValue("中等", 15);
dataset.setValue("良好", 15);
dataset.setValue("优秀", 5);
dataset.setValue("优秀1", 5);
return dataset;
}
}
jsp页面
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>Insert title here 
