WebRoot/admin/tongji/tongjiRes.jsp

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<%@ page language="java" pageEncoding="UTF-8"%>
<jsp:directive.page import="java.util.List"/>
<jsp:directive.page import="java.util.Date"/>
<%@page import="com.model.TGoods"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<%@ page isELIgnored="false" %> 

<jsp:directive.page import="org.jfree.chart.ChartFactory"/>
<jsp:directive.page import="org.jfree.chart.title.TextTitle"/>
<jsp:directive.page import="java.awt.Font"/>
<jsp:directive.page import="java.io.OutputStream"/>
<jsp:directive.page import="org.jfree.chart.ChartUtilities"/>
<jsp:directive.page import="java.io.FileOutputStream"/>
<jsp:directive.page import="org.jfree.data.category.DefaultCategoryDataset"/>
<jsp:directive.page import="org.jfree.chart.plot.PlotOrientation"/>
<jsp:directive.page import="org.jfree.chart.plot.CategoryPlot"/>
<jsp:directive.page import="org.jfree.chart.axis.CategoryAxis"/>
<jsp:directive.page import="org.jfree.chart.axis.NumberAxis"/>
<jsp:directive.page import="org.jfree.chart.JFreeChart"/>

<%
    String path = request.getContextPath();
%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<meta http-equiv="pragma" content="no-cache" />
		<meta http-equiv="cache-control" content="no-cache" />
		<meta http-equiv="expires" content="0" />
		<meta http-equiv="keywords" content="keyword1,keyword2,keyword3" />
		<meta http-equiv="description" content="This is my page" />
		<script type="text/javascript">
		</script>
	</head>

	<body leftmargin="2" topmargin="2" background='<%=path %>/img/allbg.gif'>
	    <%
			    List goodsList=(List)request.getAttribute("goodsList");
			
		        DefaultCategoryDataset categoryDataset=new DefaultCategoryDataset();
		        for(int i=0;i<goodsList.size();i++)
		        {
		            TGoods goods=(TGoods)goodsList.get(i);
		            categoryDataset.setValue(goods.getXiaoshoujine(), "", goods.getMingcheng());
		        }
				
				
				JFreeChart freeChart=ChartFactory.createBarChart("柱状图", "", "销售金额", categoryDataset, PlotOrientation.VERTICAL, false, false, false);
		        
		
		        TextTitle title=freeChart.getTitle();
				title.setFont(new Font("宋体", Font.BOLD, 20));
				
				CategoryPlot plot=(CategoryPlot)freeChart.getPlot();
				CategoryAxis categoryAxis=plot.getDomainAxis();//横轴
				categoryAxis.setLabelFont(new Font("宋体", Font.BOLD, 20));
		        categoryAxis.setTickLabelFont(new Font("宋体" , Font.BOLD , 20));