eric.zhang
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calosteward：
赞一个。 谢谢分享了~非常有用。 —————————————— ...
项目里用到的Jquery,json,struts2结合 -
zhouylf：
文章都还行，就是变量名起的好恶心，“wzXxfbPdtp”还 ...
Springmvc3实现文件上传 -
zongshoujin：
老大 List和Map 在前台解析不出来，我看了下 是j ...
struts2返回JSON,jquery解析JSON(返回的可能是LIST,MAP,对象，单个值) -
kfjihailong：
269565478@qq.com 求源码
springmvc+dwz+xheditor实现上传图片及swf 视频 -
eric.zhang：
jieAmei 写道能给我发一下这个代码吗？谢谢，452909 ...
dwz+jquery+fileupload+springmvc实现文件上传 及图片预览
1.后台controller类：
2.web.xml配置文件：
3.springmvc_servlet.xml配置文件：
4.前台jsp页面：jfree.jsp:
http://localhost:8080/springmvc_hibernate/pages/Jfree/showBar.do
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
http://localhost:8080/springmvc_hibernate/pages/Jfree/showPie3D.do
http://localhost:8080/springmvc_hibernate/pages/Jfree/detailPie3D.do?fruit=%E8%8D%94%E6%9E%9D&pieIdex=1
http://localhost:8080/springmvc_hibernate/pages/Jfree/showXYLine.do
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,"统计图","X轴","Y轴",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(), "招生信息总览",
"应报与实报对照", "人数", 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 + "男女情况3D图",
"男女人数", "人数", 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(), "招生信息总览",
"应报与实报对照", "人数", 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 + "男女情况平面图",
"男女人数", "人数", 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(), "全国水果产量图", 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, "全国" + fruit + "产量图", 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(), "全国水果产量图", 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, "全国" + fruit + "产量图", 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 ("苹果".equals(fruit)) {
data.setValue("山东", 100);
data.setValue("广东", 200);
data.setValue("湖南", 300);
data.setValue("湖北", 150);
data.setValue("四川", 150);
data.setValue("重庆", 50);
data.setValue("云南", 250);
}
if ("梨子".equals(fruit)) {
data.setValue("山东", 150);
data.setValue("广东", 250);
data.setValue("湖南", 350);
data.setValue("湖北", 150);
data.setValue("四川", 450);
data.setValue("重庆", 100);
data.setValue("云南", 550);
}
if ("葡萄".equals(fruit)) {
data.setValue("山东", 150);
data.setValue("广东", 250);
data.setValue("湖南", 650);
data.setValue("湖北", 150);
data.setValue("四川", 750);
data.setValue("重庆", 500);
data.setValue("云南", 550);
}
if ("香蕉".equals(fruit)) {
data.setValue("山东", 150);
data.setValue("广东", 250);
data.setValue("湖南", 650);
data.setValue("湖北", 150);
data.setValue("四川", 750);
data.setValue("重庆", 1500);
data.setValue("云南", 550);
} else {
data.setValue("山东", 150);
data.setValue("广东", 250);
data.setValue("湖南", 650);
data.setValue("湖北", 150);
data.setValue("四川", 750);
data.setValue("重庆", 1500);
data.setValue("云南", 1550);
}
return data;
}
public DefaultPieDataset getPieDataset() {
DefaultPieDataset pieDataset = new DefaultPieDataset();
pieDataset.setValue("苹果", 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 ("计划".equals(type)) {
if ("清华大学".equals(school)) {
dataset.addValue(150, "男", "清华大学");
dataset.addValue(50, "女", "清华大学");
} else if ("天津大学".equals(school)) {
dataset.addValue(60, "男", "天津大学");
dataset.addValue(40, "女", "天津大学");
} else {
dataset.addValue(130, "男", "郑州大学");
dataset.addValue(70, "女", "郑州大学");
}
}
if ("实报".equals(type)) {
if ("清华大学".equals(school)) {
dataset.addValue(150, "男", "清华大学");
dataset.addValue(250, "女", "清华大学");
} else if ("天津大学".equals(school)) {
dataset.addValue(120, "男", "天津大学");
dataset.addValue(85, "女", "天津大学");
} else {
dataset.addValue(170, "男", "郑州大学");
dataset.addValue(115, "女", "郑州大学");
}
}
return dataset;
}
public CategoryDataset getCategoryBarDataset() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(200, "计划", "清华大学");
dataset.addValue(400, "实报", "清华大学");
dataset.addValue(100, "计划", "天津大学");
dataset.addValue(205, "实报", "天津大学");
dataset.addValue(200, "计划", "郑州大学");
dataset.addValue(285, "实报", "郑州大学");
return dataset;
}
private XYDataset getXYDataset() {
XYSeries xyseries = new XYSeries("第一条线"); // 先产生XYSeries 对象
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("第二条线");
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("第三条线");
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
// 对象
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, //图表标题名称
xtitle, //横坐标显示标签
ytitle, //纵坐标显示标签
xydataset, //数据源
PlotOrientation.VERTICAL, //PlotOrientation.VERTICAL-->垂直显示、PlotOrientation.HORIZONTAL-->水平显示
true, //是否显示图例（对于简单的柱状图必须是false）
true, //是否生产工具
true //是否生成URL链接
);
jfreechart.setTitle(new TextTitle(title,new Font("黑体",Font.ITALIC,20)));//重新设置图表标题，改变字体
jfreechart.getTitle().setFont(new Font("黑体",Font.ITALIC,20)); //解决标题乱码
jfreechart.setBackgroundPaint(Color.white); //设定背景色为白色
XYPlot xyplot = (XYPlot) jfreechart.getPlot(); // 获得 plot：XYPlot！！
xyplot.setBackgroundPaint(Color.lightGray); //设定图表数据显示部分背景色
xyplot.setDomainGridlinePaint(Color.white); //横坐标网格线白色
xyplot.setDomainGridlinesVisible(true); //网格线:true-->可见,false-->不可见
xyplot.setRangeGridlinePaint(Color.white); //纵坐标网格线白色
xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); // 设定坐标轴与图表数据显示部分距离
ValueAxis categoryAxis = xyplot.getDomainAxis();//取得横轴
//categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);//设置分类标签以45度角倾斜
categoryAxis.setLabelFont(new Font("宋体",Font.TYPE1_FONT,16));//设置横轴显示标签的字体
categoryAxis.setTickLabelFont(new Font("宋体", Font.TYPE1_FONT, 16)); //解决横坐标乱码
NumberAxis numberAxis = (NumberAxis)xyplot.getRangeAxis();//取得纵轴
numberAxis.setLabelFont(new Font("宋体",Font.TYPE1_FONT,16));//设置纵轴显示标签的字体
numberAxis.setTickLabelFont(new Font("宋体", Font.TYPE1_FONT, 16)); //解决纵坐标乱码
numberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());//使纵坐标的最小单位格为整数
numberAxis.setAutoRangeIncludesZero(true);
// 获得 renderer 注意这里是XYLineAndShapeRenderer ！！
XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyplot
.getRenderer();
xylineandshaperenderer.setShapesVisible(true); // 数据点可见
xylineandshaperenderer.setShapesFilled(true); // 数据点被填充即不是空心点
xylineandshaperenderer.setSeriesLinesVisible(0, false); //第一个XYSeries数据点间连线不可见
xylineandshaperenderer.setSeriesShapesVisible(1, false); //第二个XYSeries数据点不可见
xyplot.setRenderer(xylineandshaperenderer);
xylineandshaperenderer.setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F,
new float[] {10F, 6F}, 0.0F)); //定义series为”First”的（即series1）点之间的连线 ，这里是虚线，默认是直线
xylineandshaperenderer.setSeriesStroke(1, new BasicStroke(2.0F, 1, 1, 1.0F,
new float[] {6F, 6F}, 0.0F)); //定义series为”Second”的（即series2）点之间的连线
xylineandshaperenderer.setSeriesStroke(2, new BasicStroke(2.0F, 1, 1, 1.0F,
new float[] {2.0F, 6F}, 0.0F)); //定义series为”Third”的（即series3）点之间的连线
xylineandshaperenderer.setBaseItemLabelGenerator(new IntervalXYItemLabelGenerator("({1},{2})",NumberFormat.getNumberInstance(),NumberFormat.getNumberInstance()));
xylineandshaperenderer.setURLGenerator(new StandardXYURLGenerator("showXYLine.do","seriesName","itemName"));
//设置底部标题字体
xylineandshaperenderer.setLegendTextFont(0, new Font("宋体",Font.TYPE1_FONT,16));
xylineandshaperenderer.setLegendTextFont(1, new Font("宋体",Font.TYPE1_FONT,16));
xylineandshaperenderer.setLegendTextFont(2, new Font("宋体",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);// 输出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,// 图表标题
xtitle,// 目录轴的显示标签(x轴)
ytitle,// 数值轴的显示标签（y轴）
dataset, PlotOrientation.VERTICAL,// 图表方向：水平、垂直
true,// 是否显示图例(对于简单的柱状图必须是false)
true,// 是否tooltip
true// 是否生成URL链接
);
Font font = new Font("宋体", Font.BOLD, 16);
TextTitle barTitle = new TextTitle(title, font);
// 设置正上方的标题
chart.setTitle(barTitle);
// 设置底部标题
chart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
//chart.getLegend().setItemLabelPadding(new RectangleInsets());
CategoryPlot plot = chart.getCategoryPlot();// 获得图表区域对象
// 设置图表的纵轴和横轴org.jfree.chart.axis.CategoryAxis
CategoryAxis domainAxis = plot.getDomainAxis();// X轴
domainAxis.setLowerMargin(0.1);// 设置距离图片左端距离此时为10%
domainAxis.setUpperMargin(0.1);// 设置距离图片右端距离此时为百分之10
domainAxis.setCategoryLabelPositionOffset(10);// 图表横轴与标签的距离(10像素)
domainAxis.setCategoryMargin(0.2);// 横轴标签之间的距离20%
// 设置X坐标上的文字
domainAxis.setTickLabelFont(font);
// 设置X轴标题
domainAxis.setLabelFont(font);
// domainAxis.setMaximumCategoryLabelLines(1);
// domainAxis.setMaximumCategoryLabelWidthRatio(0);
// 设定柱子的属性
ValueAxis rangeAxis = plot.getRangeAxis();
rangeAxis.setUpperMargin(0.1);// 设置最高的一个柱与图片顶端的距离(最高柱的10%)
// 设置Y坐标上的文字
rangeAxis.setTickLabelFont(font);
// 设置Y轴标题
rangeAxis.setLabelFont(font);
// 设置图表的颜色
// 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"));
}
// 显示每个柱的数值，并修改该数值的字体属性
renderer.setIncludeBaseInRange(true);
renderer
.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator(
"{0}={2}人",NumberFormat.getNumberInstance()));
renderer.setBaseOutlinePaint(Color.red);
renderer.setSeriesPaint(0, new Color(0, 255, 255));// 计划柱子的颜色为青色
renderer.setSeriesOutlinePaint(0, Color.BLACK);// 边框为黑色
renderer.setSeriesPaint(1, new Color(0, 255, 0));// 实报柱子的颜色为绿色
renderer.setSeriesOutlinePaint(1, Color.red);// 边框为红色
renderer.setItemMargin(0.1);// 组内柱子间隔为组宽的10%
//java.lang.String labelFormat:"{0}={1}({2})":会显示成：apple=120(5%)
//java.text.NumberFormat类有三个方法可以产生下列数据的标准格式化器：
//数字：NumberFormat.getNumberInstance();
//货币：NumberFormat.getCurrencyInstance();
//百分数：NumberFormat.getPercentInstance();
//设置底部
renderer.setLegendItemLabelGenerator(new StandardCategorySeriesLabelGenerator("{0}"));
renderer.setBaseItemLabelsVisible(true);
plot.setRenderer(renderer);// 使用我们设计的效果
// 设置纵横坐标的显示位置
plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);// 学校显示在下端(柱子竖直)或左侧(柱子水平)
plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT); // 人数显示在下端(柱子水平)或左侧(柱子竖直)
StandardEntityCollection sec = new StandardEntityCollection();
ChartRenderingInfo info = new ChartRenderingInfo(sec);
try {
filename = ServletUtilities.saveChartAsPNG(chart, width, height,
info, session);
ChartUtilities.writeImageMap(pw, useMap, info, false);// 输出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饼图
plot.setURLGenerator(new StandardPieURLGenerator("detailPie3D.do",
"fruit", "pieIdex"));// 设定热区超链接
} else {
plot = new PiePlot((DefaultPieDataset) dataset);
plot.setURLGenerator(new StandardPieURLGenerator("detailPie.do",
"fruit", "pieIdex"));// 设定热区超链接
}
plot.setPieIndex(1);
JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT,
plot, true);
chart.setBackgroundPaint(java.awt.Color.white);// 可选，设置图片背景色
chart.setTitle(title);// 可选，设置图片标题
// 指定饼图轮廓线的颜色
// plot.setBaseSectionOutlinePaint(Color.BLACK);
// plot.setBaseSectionPaint(Color.BLACK);
plot.setToolTipGenerator(new StandardPieToolTipGenerator());
plot.setNoDataMessage("无对应数据显示");
// 图片中显示百分比:默认方式
// plot.setLabelGenerator(new
// StandardPieSectionLabelGenerator(StandardPieToolTipGenerator.DEFAULT_TOOLTIP_FORMAT));
// 图片中显示百分比:自定义方式，{0} 表示选项， {1} 表示数值， {2} 表示所占比例 ,小数点后两位
plot.setLabelGenerator(new StandardPieSectionLabelGenerator(
"{0}={1}({2})", NumberFormat.getNumberInstance(),
new DecimalFormat("0.00%")));
// 图例显示百分比:自定义方式， {0} 表示选项， {1} 表示数值， {2} 表示所占比例
plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator(
"{0}={1}({2})"));
// 设置背景色为白色
chart.setBackgroundPaint(Color.white);
// 指定图片的透明度(0.0-1.0)
plot.setForegroundAlpha(0.8f);
// 指定显示的饼图上圆形(true)还椭圆形(false)
plot.setCircular(true);
// 设置第一个 饼块section 的开始位置，默认是12点钟方向
plot.setStartAngle(90);
plot.setLabelFont(new Font("宋体", Font.BOLD, 12));
chart.getLegend().setItemFont(new Font("宋体", 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);// 输出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" >
<!-- 自动搜索@Controller标注的类 -->
<context:component-scan base-package="com.**.controller"/>
<bean class="cn.org.rapid_framework.spring.web.servlet.mvc.support.ControllerClassNameHandlerMapping" >
<!-- <property name="caseSensitive" value="true"/> -->
<!-- 前缀可选 -->
<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.前台jsp页面：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
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
http://localhost:8080/springmvc_hibernate/pages/Jfree/showPie3D.do
http://localhost:8080/springmvc_hibernate/pages/Jfree/detailPie3D.do?fruit=%E8%8D%94%E6%9E%9D&pieIdex=1
http://localhost:8080/springmvc_hibernate/pages/Jfree/showXYLine.do
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