springmvc+jfreechart 超鏈接

1.後臺controller類：

package com.pdcss.project.controller;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.text.DecimalFormat;
import java.text.NumberFormat;

import javacommon.base.BaseSpringController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.labels.IntervalXYItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategorySeriesLabelGenerator;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.labels.StandardPieToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.BarRenderer3D;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.chart.title.TextTitle;
import org.jfree.chart.urls.StandardCategoryURLGenerator;
import org.jfree.chart.urls.StandardPieURLGenerator;
import org.jfree.chart.urls.StandardXYURLGenerator;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.general.Dataset;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.RectangleInsets;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

@Controller
@RequestMapping("/pages/Jfree")
public class JfreeController extends BaseSpringController {

	@RequestMapping("/showXYLine")
	public ModelAndView showXYLine(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createXYLineChart(session,"統計圖","X軸","Y軸",550, 450, "imgMap", new PrintWriter(out));

		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");
		return mav;
	}

	@RequestMapping("/showBar3D")
	public ModelAndView showBar3D(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createBarChart(getCategoryBarDataset(), "招生信息總覽",
				"應報與實報對照", "人數", 550, 450, session, new PrintWriter(out),
				"imgMap", true);
		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");
		return mav;
	}

	@RequestMapping("/detailBar3D")
	public ModelAndView detailBar3D(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		request.setCharacterEncoding("UTF-8");

		String type = request.getParameter("type");
		type = new String(type.getBytes("ISO-8859-1"), "UTF-8");
		String school = request.getParameter("school");
		school = new String(school.getBytes("ISO-8859-1"), "UTF-8");

		CategoryDataset data = getCategoryBar3DDataset(type, school);

		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createBarChart(data, school + type + "男女情況3D圖",
				"男女人數", "人數", 550, 450, session, new PrintWriter(out),
				"imgMap", true);

		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");
		return mav;
	}
	@RequestMapping("/showBar")
	public ModelAndView showBar(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createBarChart(getCategoryBarDataset(), "招生信息總覽",
				"應報與實報對照", "人數", 550, 450, session, new PrintWriter(out),
				"imgMap", false);
		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");
		return mav;
	}

	@RequestMapping("/detailBar")
	public ModelAndView detailBar(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		request.setCharacterEncoding("UTF-8");

		String type = request.getParameter("type");
		type = new String(type.getBytes("ISO-8859-1"), "UTF-8");
		String school = request.getParameter("school");
		school = new String(school.getBytes("ISO-8859-1"), "UTF-8");

		CategoryDataset data = getCategoryBar3DDataset(type, school);
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createBarChart(data, school + type + "男女情況平面圖",
				"男女人數", "人數", 550, 450, session, new PrintWriter(out),
				"imgMap", false);

		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");
		return mav;
	}

	@RequestMapping("/showPie3D")
	public ModelAndView showPie3D(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createPieChart(getPieDataset(), "全國水果產量圖", 550, 400,
				session, new PrintWriter(out), "imgMap", true);
		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");
		return mav;
	}

	@RequestMapping("/detailPie3D")
	public ModelAndView detailPie3D(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		request.setCharacterEncoding("UTF-8");

		String fruit = request.getParameter("fruit");
		fruit = new String(fruit.getBytes("ISO-8859-1"), "UTF-8");

		DefaultPieDataset data = getDetailPieDataSet(fruit);
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createPieChart(data, "全國" + fruit + "產量圖", 550, 400,
				session, new PrintWriter(out), "imgMap", true);
		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");

		return mav;
	}

	@RequestMapping("/showPie")
	public ModelAndView showPie(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createPieChart(getPieDataset(), "全國水果產量圖", 550, 400,
				session, new PrintWriter(out), "imgMap", false);
		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");
		return mav;
	}

	@RequestMapping("/detailPie")
	public ModelAndView detailPie(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType("text/html;charset=UTF-8");
		request.setCharacterEncoding("UTF-8");

		String fruit = request.getParameter("fruit");
		fruit = new String(fruit.getBytes("ISO-8859-1"), "UTF-8");

		DefaultPieDataset data = getDetailPieDataSet(fruit);
		HttpSession session = request.getSession();
		Writer out = response.getWriter();

		String filename = createPieChart(data, "全國" + fruit + "產量圖", 550, 400,
				session, new PrintWriter(out), "imgMap", false);
		String file = request.getContextPath()
				+ "/servlet/DisplayChart?filename=" + filename;
		ModelAndView mav = new ModelAndView();
		mav.addObject("file", file);
		mav.setViewName("/jfree");

		return mav;
	}

	public DefaultPieDataset getDetailPieDataSet(String fruit) {
		DefaultPieDataset data = new DefaultPieDataset();
		if ("蘋果".equals(fruit)) {
			data.setValue("山東", 100);
			data.setValue("廣東", 200);
			data.setValue("湖南", 300);
			data.setValue("湖北", 150);
			data.setValue("四川", 150);
			data.setValue("重慶", 50);
			data.setValue("雲南", 250);
		}
		if ("梨子".equals(fruit)) {
			data.setValue("山東", 150);
			data.setValue("廣東", 250);
			data.setValue("湖南", 350);
			data.setValue("湖北", 150);
			data.setValue("四川", 450);
			data.setValue("重慶", 100);
			data.setValue("雲南", 550);
		}
		if ("葡萄".equals(fruit)) {
			data.setValue("山東", 150);
			data.setValue("廣東", 250);
			data.setValue("湖南", 650);
			data.setValue("湖北", 150);
			data.setValue("四川", 750);
			data.setValue("重慶", 500);
			data.setValue("雲南", 550);
		}
		if ("香蕉".equals(fruit)) {
			data.setValue("山東", 150);
			data.setValue("廣東", 250);
			data.setValue("湖南", 650);
			data.setValue("湖北", 150);
			data.setValue("四川", 750);
			data.setValue("重慶", 1500);
			data.setValue("雲南", 550);
		} else {
			data.setValue("山東", 150);
			data.setValue("廣東", 250);
			data.setValue("湖南", 650);
			data.setValue("湖北", 150);
			data.setValue("四川", 750);
			data.setValue("重慶", 1500);
			data.setValue("雲南", 1550);
		}
		return data;
	}

	public DefaultPieDataset getPieDataset() {
		DefaultPieDataset pieDataset = new DefaultPieDataset();
		pieDataset.setValue("蘋果", 1000);
		pieDataset.setValue("梨子", 2000);
		pieDataset.setValue("葡萄", 3000);
		pieDataset.setValue("香蕉", 4000);
		pieDataset.setValue("荔枝", 5000);
		return pieDataset;
	}

	public CategoryDataset getCategoryBar3DDataset(String type, String school) {
		DefaultCategoryDataset dataset = new DefaultCategoryDataset();
		if ("計劃".equals(type)) {
			if ("清華大學".equals(school)) {
				dataset.addValue(150, "男", "清華大學");
				dataset.addValue(50, "女", "清華大學");
			} else if ("天津大學".equals(school)) {
				dataset.addValue(60, "男", "天津大學");
				dataset.addValue(40, "女", "天津大學");
			} else {
				dataset.addValue(130, "男", "鄭州大學");
				dataset.addValue(70, "女", "鄭州大學");
			}
		}
		if ("實報".equals(type)) {
			if ("清華大學".equals(school)) {
				dataset.addValue(150, "男", "清華大學");
				dataset.addValue(250, "女", "清華大學");
			} else if ("天津大學".equals(school)) {
				dataset.addValue(120, "男", "天津大學");
				dataset.addValue(85, "女", "天津大學");
			} else {
				dataset.addValue(170, "男", "鄭州大學");
				dataset.addValue(115, "女", "鄭州大學");
			}
		}
		return dataset;
	}

	public CategoryDataset getCategoryBarDataset() {
		DefaultCategoryDataset dataset = new DefaultCategoryDataset();
		dataset.addValue(200, "計劃", "清華大學");
		dataset.addValue(400, "實報", "清華大學");
		dataset.addValue(100, "計劃", "天津大學");
		dataset.addValue(205, "實報", "天津大學");
		dataset.addValue(200, "計劃", "鄭州大學");
		dataset.addValue(285, "實報", "鄭州大學");
		return dataset;
	}
	private  XYDataset getXYDataset() {
		  XYSeries xyseries = new XYSeries("第一條線"); // 先產生XYSeries 對象
		  xyseries.add(1.0D, 1.0D);
		  xyseries.add(2D, 4D);
		  xyseries.add(3D, 3D);
		  xyseries.add(4D, 5D);
		  xyseries.add(5D, 5D);
		  xyseries.add(6D, 7D);
		  xyseries.add(7D, 7D);
		  xyseries.add(8D, 8D);

		  XYSeries xyseries1 = new XYSeries("第二條線");
		  xyseries1.add(1.0D, 5D);
		  xyseries1.add(2D, 7D);
		  xyseries1.add(3D, 6D);
		  xyseries1.add(4D, 8D);
		  xyseries1.add(5D, 4D);
		  xyseries1.add(6D, 4D);
		  xyseries1.add(7D, 2D);
		  xyseries1.add(8D, 1.0D);

		  XYSeries xyseries2 = new XYSeries("第三條線");
		  xyseries2.add(3D, 4D);
		  xyseries2.add(4D, 3D);
		  xyseries2.add(5D, 2D);
		  xyseries2.add(6D, 3D);
		  xyseries2.add(7D, 6D);
		  xyseries2.add(8D, 3D);
		  xyseries2.add(9D, 4D);
		  xyseries2.add(10D, 3D);

		  XYSeriesCollection xyseriescollection = new XYSeriesCollection(); // 再用XYSeriesCollection添加入XYSeries
		                   // 對象
		  xyseriescollection.addSeries(xyseries);
		  xyseriescollection.addSeries(xyseries1);
		  xyseriescollection.addSeries(xyseries2);
		  return xyseriescollection;
		 }

	public  String createXYLineChart(HttpSession session,String title,String xtitle,String ytitle,int width,int height,String useMap,PrintWriter pw) {
		  XYDataset xydataset = getXYDataset();
		  String filename = "";

		  JFreeChart jfreechart = ChartFactory.createXYLineChart(
		    title,    //圖表標題名稱
		   xtitle,    //橫座標顯示標籤
		    ytitle,   //縱座標顯示標籤
		    xydataset,  //數據源
		    PlotOrientation.VERTICAL, //PlotOrientation.VERTICAL-->垂直顯示、PlotOrientation.HORIZONTAL-->水平顯示
		    true,    //是否顯示圖例（對於簡單的柱狀圖必須是false）
		    true,    //是否生產工具
		    true   //是否生成URL鏈接
		  );
		  jfreechart.setTitle(new TextTitle(title,new Font("黑體",Font.ITALIC,20)));//重新設置圖表標題，改變字體

		  jfreechart.getTitle().setFont(new Font("黑體",Font.ITALIC,20)); //解決標題亂碼 

		  jfreechart.setBackgroundPaint(Color.white); //設定背景色爲白色

		  XYPlot xyplot = (XYPlot) jfreechart.getPlot(); // 獲得 plot：XYPlot！！

		  xyplot.setBackgroundPaint(Color.lightGray); //設定圖表數據顯示部分背景色

		  xyplot.setDomainGridlinePaint(Color.white); //橫座標網格線白色

		  xyplot.setDomainGridlinesVisible(true); //網格線:true-->可見,false-->不可見

		  xyplot.setRangeGridlinePaint(Color.white); //縱座標網格線白色

		  xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); // 設定座標軸與圖表數據顯示部分距離

		  ValueAxis categoryAxis = xyplot.getDomainAxis();//取得橫軸

		//categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);//設置分類標籤以45度角傾斜

		  categoryAxis.setLabelFont(new Font("宋體",Font.TYPE1_FONT,16));//設置橫軸顯示標籤的字體

		  categoryAxis.setTickLabelFont(new Font("宋體", Font.TYPE1_FONT, 16));     //解決橫座標亂碼

		  NumberAxis numberAxis = (NumberAxis)xyplot.getRangeAxis();//取得縱軸

		  numberAxis.setLabelFont(new Font("宋體",Font.TYPE1_FONT,16));//設置縱軸顯示標籤的字體

		  numberAxis.setTickLabelFont(new Font("宋體", Font.TYPE1_FONT, 16));     //解決縱座標亂碼

		  numberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());//使縱座標的最小單位格爲整數

		  numberAxis.setAutoRangeIncludesZero(true);

		  // 獲得 renderer 注意這裏是XYLineAndShapeRenderer ！！
		  XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyplot
		    .getRenderer();
		  xylineandshaperenderer.setShapesVisible(true); // 數據點可見
		  xylineandshaperenderer.setShapesFilled(true); // 數據點被填充即不是空心點

		  xylineandshaperenderer.setSeriesLinesVisible(0, false); //第一個XYSeries數據點間連線不可見
		  xylineandshaperenderer.setSeriesShapesVisible(1, false); //第二個XYSeries數據點不可見
		  xyplot.setRenderer(xylineandshaperenderer);

		  xylineandshaperenderer.setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F, 
		  new float[] {10F, 6F}, 0.0F)); //定義series爲”First”的（即series1）點之間的連線 ，這裏是虛線，默認是直線
		  xylineandshaperenderer.setSeriesStroke(1, new BasicStroke(2.0F, 1, 1, 1.0F, 
		  new float[] {6F, 6F}, 0.0F)); //定義series爲”Second”的（即series2）點之間的連線
		  xylineandshaperenderer.setSeriesStroke(2, new BasicStroke(2.0F, 1, 1, 1.0F, 
		  new float[] {2.0F, 6F}, 0.0F)); //定義series爲”Third”的（即series3）點之間的連線

		  xylineandshaperenderer.setBaseItemLabelGenerator(new IntervalXYItemLabelGenerator("({1},{2})",NumberFormat.getNumberInstance(),NumberFormat.getNumberInstance()));
		  xylineandshaperenderer.setURLGenerator(new StandardXYURLGenerator("showXYLine.do","seriesName","itemName"));

		  //設置底部標題字體
		  xylineandshaperenderer.setLegendTextFont(0, new Font("宋體",Font.TYPE1_FONT,16));
		  xylineandshaperenderer.setLegendTextFont(1, new Font("宋體",Font.TYPE1_FONT,16));
		  xylineandshaperenderer.setLegendTextFont(2, new Font("宋體",Font.TYPE1_FONT,16));

		  StandardEntityCollection sec = new StandardEntityCollection();
		  ChartRenderingInfo info = new ChartRenderingInfo(sec);

			try {
				filename = ServletUtilities.saveChartAsPNG(jfreechart, width, height,
						info, session);
				ChartUtilities.writeImageMap(pw, useMap, info, false);// 輸出MAP信息
				pw.flush();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return filename;
	}

	public String createBarChart(CategoryDataset dataset, String title,
			String xtitle, String ytitle, int width, int height,
			HttpSession session, PrintWriter pw, String useMap, boolean is3D) {
		String filename = "";
		JFreeChart chart = ChartFactory.createBarChart3D(title,// 圖表標題
				xtitle,// 目錄軸的顯示標籤(x軸)
				ytitle,// 數值軸的顯示標籤（y軸）
				dataset, PlotOrientation.VERTICAL,// 圖表方向：水平、垂直
				true,// 是否顯示圖例(對於簡單的柱狀圖必須是false)
				true,// 是否tooltip
				true// 是否生成URL鏈接
				);
		Font font = new Font("宋體", Font.BOLD, 16);
		TextTitle barTitle = new TextTitle(title, font);
		// 設置正上方的標題
		chart.setTitle(barTitle);
		// 設置底部標題
		chart.getLegend().setItemFont(new Font("宋體", Font.PLAIN, 12));
		//chart.getLegend().setItemLabelPadding(new RectangleInsets());
		CategoryPlot plot = chart.getCategoryPlot();// 獲得圖表區域對象

		// 設置圖表的縱軸和橫軸org.jfree.chart.axis.CategoryAxis
		CategoryAxis domainAxis = plot.getDomainAxis();// X軸
		domainAxis.setLowerMargin(0.1);// 設置距離圖片左端距離此時爲10%
		domainAxis.setUpperMargin(0.1);// 設置距離圖片右端距離此時爲百分之10
		domainAxis.setCategoryLabelPositionOffset(10);// 圖表橫軸與標籤的距離(10像素)
		domainAxis.setCategoryMargin(0.2);// 橫軸標籤之間的距離20%
		// 設置X座標上的文字
		domainAxis.setTickLabelFont(font);
		// 設置X軸標題
		domainAxis.setLabelFont(font);
		// domainAxis.setMaximumCategoryLabelLines(1);
		// domainAxis.setMaximumCategoryLabelWidthRatio(0);
		// 設定柱子的屬性
		ValueAxis rangeAxis = plot.getRangeAxis();
		rangeAxis.setUpperMargin(0.1);// 設置最高的一個柱與圖片頂端的距離(最高柱的10%)
		// 設置Y座標上的文字
		rangeAxis.setTickLabelFont(font);
		// 設置Y軸標題
		rangeAxis.setLabelFont(font);

		// 設置圖表的顏色
		// BarRenderer3D renderer = new BarRenderer3D();
		BarRenderer renderer;
		if (is3D) {
			renderer = new BarRenderer3D();
			renderer
					.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
			renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator(
					"detailBar3D.do", "type", "school"));
		} else {
			renderer = new BarRenderer();
			renderer
					.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
			renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator(
					"detailBar.do", "type", "school"));
		}
		// 顯示每個柱的數值，並修改該數值的字體屬性
		renderer.setIncludeBaseInRange(true);
		renderer
				.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator(
						"{0}={2}人",NumberFormat.getNumberInstance()));
		renderer.setBaseOutlinePaint(Color.red);
		renderer.setSeriesPaint(0, new Color(0, 255, 255));// 計劃柱子的顏色爲青色
		renderer.setSeriesOutlinePaint(0, Color.BLACK);// 邊框爲黑色
		renderer.setSeriesPaint(1, new Color(0, 255, 0));// 實報柱子的顏色爲綠色
		renderer.setSeriesOutlinePaint(1, Color.red);// 邊框爲紅色
		renderer.setItemMargin(0.1);// 組內柱子間隔爲組寬的10%
		//java.lang.String labelFormat:"{0}={1}({2})":會顯示成：apple=120(5%) 
		//java.text.NumberFormat類有三個方法可以產生下列數據的標準格式化器：
		//數字：NumberFormat.getNumberInstance();
		//貨幣：NumberFormat.getCurrencyInstance();
		//百分數：NumberFormat.getPercentInstance();

		//設置底部
		renderer.setLegendItemLabelGenerator(new StandardCategorySeriesLabelGenerator("{0}"));
		renderer.setBaseItemLabelsVisible(true);
		plot.setRenderer(renderer);// 使用我們設計的效果

		// 設置縱橫座標的顯示位置
		plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);// 學校顯示在下端(柱子豎直)或左側(柱子水平)
		plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT); // 人數顯示在下端(柱子水平)或左側(柱子豎直)
		StandardEntityCollection sec = new StandardEntityCollection();
		ChartRenderingInfo info = new ChartRenderingInfo(sec);
		try {
			filename = ServletUtilities.saveChartAsPNG(chart, width, height,
					info, session);
			ChartUtilities.writeImageMap(pw, useMap, info, false);// 輸出MAP信息
			pw.flush();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return filename;
	}

	public String createPieChart(Dataset dataset, String title, int width,
			int height, HttpSession session, PrintWriter pw, String useMap,
			boolean is3D) {
		String filename = "";
		PiePlot plot = null;
		if (is3D) {
			plot = new PiePlot3D((DefaultPieDataset) dataset);// 3D餅圖
			plot.setURLGenerator(new StandardPieURLGenerator("detailPie3D.do",
					"fruit", "pieIdex"));// 設定熱區超鏈接
		} else {
			plot = new PiePlot((DefaultPieDataset) dataset);
			plot.setURLGenerator(new StandardPieURLGenerator("detailPie.do",
					"fruit", "pieIdex"));// 設定熱區超鏈接
		}
		plot.setPieIndex(1);
		JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT,
				plot, true);
		chart.setBackgroundPaint(java.awt.Color.white);// 可選，設置圖片背景色
		chart.setTitle(title);// 可選，設置圖片標題

		// 指定餅圖輪廓線的顏色
		// plot.setBaseSectionOutlinePaint(Color.BLACK);
		// plot.setBaseSectionPaint(Color.BLACK);
		plot.setToolTipGenerator(new StandardPieToolTipGenerator());
		plot.setNoDataMessage("無對應數據顯示");

		// 圖片中顯示百分比:默認方式
		// plot.setLabelGenerator(new
		// StandardPieSectionLabelGenerator(StandardPieToolTipGenerator.DEFAULT_TOOLTIP_FORMAT));
		// 圖片中顯示百分比:自定義方式，{0} 表示選項， {1} 表示數值， {2} 表示所佔比例 ,小數點後兩位
		plot.setLabelGenerator(new StandardPieSectionLabelGenerator(
				"{0}={1}({2})", NumberFormat.getNumberInstance(),
				new DecimalFormat("0.00%")));
		// 圖例顯示百分比:自定義方式， {0} 表示選項， {1} 表示數值， {2} 表示所佔比例
		plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator(
				"{0}={1}({2})"));
		// 設置背景色爲白色
		chart.setBackgroundPaint(Color.white);
		// 指定圖片的透明度(0.0-1.0)
		plot.setForegroundAlpha(0.8f);
		// 指定顯示的餅圖上圓形(true)還橢圓形(false)
		plot.setCircular(true);
		// 設置第一個 餅塊section 的開始位置，默認是12點鐘方向
		plot.setStartAngle(90);
		plot.setLabelFont(new Font("宋體", Font.BOLD, 12));
		chart.getLegend().setItemFont(new Font("宋體", Font.BOLD, 12));
		StandardEntityCollection sec = new StandardEntityCollection();
		ChartRenderingInfo info = new ChartRenderingInfo(sec);
		try {
			filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, info,
					session);
			ChartUtilities.writeImageMap(pw, useMap, info, false);// 輸出MAP信息
			pw.flush();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return filename;
	}

}

2.web.xml配置文件：

<servlet>
	    <servlet-name>springmvc</servlet-name>
	    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
	    <load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
	    <servlet-name>springmvc</servlet-name>
	    <url-pattern>*.do</url-pattern>
	</servlet-mapping>

	<servlet>
		<servlet-name>DisplayChart</servlet-name>
		<servlet-class>
			org.jfree.chart.servlet.DisplayChart
		</servlet-class>
	</servlet>

	<servlet-mapping>
		<servlet-name>DisplayChart</servlet-name>
		<url-pattern>/servlet/DisplayChart</url-pattern>
	</servlet-mapping>

3.springmvc_servlet.xml配置文件：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p" 
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-2.5.xsd"
    default-autowire="byName"   >

	<!-- 自動搜索@Controller標註的類 -->
	<context:component-scan base-package="com.**.controller"/>
	<bean class="cn.org.rapid_framework.spring.web.servlet.mvc.support.ControllerClassNameHandlerMapping" >
		<!-- <property name="caseSensitive" value="true"/> -->
		<!-- 前綴可選 -->
		<property name="pathPrefix" value="/pages"></property>
		<property name="interceptors">
			<bean class="com.pdcss.project.inteceptor.TimeBasedAccessInterceptor"/>
		</property>
	</bean>

    <!-- Default ViewResolver -->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value=""/>
        <property name="suffix" value=".jsp"></property>
    </bean>

    <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource" p:basename="i18n/messages"/>

    <!-- Mapping exception to the handler view -->
    <bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
        <property name="exceptionMappings">
            <props>
            </props>
        </property>
    </bean>
</beans>

4.前臺jsp頁面：jfree.jsp:

<%@ page contentType="text/html;charset=UTF-8"%>   
<HTML>   
    <HEAD>   
        <META http-equiv=Content-Type content="text/html; charset=UTF-8">   
    </HEAD>   
    <BODY>   
        <P ALIGN="CENTER">   
            <img src="${requestScope.file }" border=0 usemap="#imgMap">   
        </P>   
    </BODY>   
</HTML>  

http://localhost:8080/springmvc_hibernate/pages/Jfree/showBar.do

[img]http://dl.iteye.com/upload/attachment/511780/7afdb1d5-eda8-38cb-9875-c86f7076680e.png[/img]

http://localhost:8080/springmvc_hibernate/pages/Jfree/detailBar.do?type=%E8%AE%A1%E5%88%92&school=%E6%B8%85%E5%8D%8E%E5%A4%A7%E5%AD%A6

[img]http://dl.iteye.com/upload/attachment/511782/6be7a7d2-6066-3247-80f5-e2772560e280.png[/img]

http://localhost:8080/springmvc_hibernate/pages/Jfree/showPie3D.do

[img]http://dl.iteye.com/upload/attachment/511784/fde8d184-f9ac-3154-ae81-c1f6cc4025d6.png[/img]

http://localhost:8080/springmvc_hibernate/pages/Jfree/detailPie3D.do?fruit=%E8%8D%94%E6%9E%9D&pieIdex=1

[img]http://dl.iteye.com/upload/attachment/511786/135f9458-871f-31b2-a3ca-2375d5e13e2f.png[/img]

http://localhost:8080/springmvc_hibernate/pages/Jfree/showXYLine.do

[img]http://dl.iteye.com/upload/attachment/511788/9876bdfc-c7a1-3c19-8906-a4905b13c103.png[/img]