JFreeChart 学习（2）-struts2+maven3 博客分类： web开发学习笔记 jfreechartmaven3struts2

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开发环境：
eclipse Java EE IDE luna
struts2.3.20
maven3.2.5

pom.xml文件依赖配置

	<properties>
		<struts.version>2.3.20</struts.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.0.1</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.apache.struts</groupId>
			<artifactId>struts2-core</artifactId>
			<version>${struts.version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.struts</groupId>
			<artifactId>struts2-jfreechart-plugin</artifactId>
			<version>${struts.version}</version>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.7</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>jfree</groupId>
			<artifactId>jfreechart</artifactId>
			<version>1.0.13</version>
		</dependency>

web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="i5ss" version="2.5">
	<display-name>Archetype Created Web Application</display-name>
	<filter>
		<filter-name>struts-prepare</filter-name>
		<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter</filter-class>
	</filter>
	<filter>
		<filter-name>struts-execute</filter-name>
		<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>struts-prepare</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter-mapping>
		<filter-name>struts-execute</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>

struts.xml配置

	<package name="jfreechar" namespace="/jfreechart" extends="jfreechart-default">
		<action name="pieChart3DAction" class="com.ouanui.PieChart3DAction">
			<result type="chart">
				<param name="width">700</param>
				<param name="height">400</param>
			</result>
		</action>
		<action name="lineChartAction" class="com.ouanui.LineChartAction">
			<result type="chart">
				<param name="width">700</param>
				<param name="height">400</param>
			</result>
		</action>
		<action name="barChart3DAction" class="com.ouanui.BarChart3DAction">
			<result type="chart">
				<param name="width">700</param>
				<param name="height">400</param>
			</result>
		</action>
	</package>

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"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
	<img alt="" src="jfreechart/pieChart3DAction" style="margin: auto;">
	<br />
	<img alt="" src="jfreechart/lineChartAction" style="margin: auto;">
	<br />
	<img alt="" src="jfreechart/barChart3DAction" style="margin: auto;">
	<br />
</body>
</html>