WebRoot/admin/sale/fx2.jsp

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<%@ page language="java" import="java.util.*,com.bean.*"  contentType="text/html;charset=gb2312"%>
<%@ page import="org.jfree.chart.ChartFactory,
                 org.jfree.chart.JFreeChart,
                 org.jfree.chart.plot.PlotOrientation,
                 org.jfree.chart.servlet.ServletUtilities,
                 org.jfree.data.category.DefaultCategoryDataset,
                 org.jfree.chart.plot.*,
                 org.jfree.chart.axis.NumberAxis,
                 org.jfree.chart.axis.CategoryAxis,
                  org.jfree.chart.title.TextTitle" %> 
<%

String kn=request.getParameter("kn");
TrainBean tb=new TrainBean();
float f1=0;float f2=0;float f3=0;float f4=0;float f5=0;float f6=0;float f7=0;float f8=0;float f9=0;float f10=0;float f11=0;float f12=0;
List l1=tb.getFX(kn+"-"+"1");
List l2=tb.getFX(kn+"-"+"2");
List l3=tb.getFX(kn+"-"+"3");
List l4=tb.getFX(kn+"-"+"4");
List l5=tb.getFX(kn+"-"+"5");
List l6=tb.getFX(kn+"-"+"6");
List l7=tb.getFX(kn+"-"+"7");
List l8=tb.getFX(kn+"-"+"8");
List l9=tb.getFX(kn+"-"+"9");
List l10=tb.getFX(kn+"-"+"10");
List l11=tb.getFX(kn+"-"+"11");
List l12=tb.getFX(kn+"-"+"12");


DefaultCategoryDataset dataset = new DefaultCategoryDataset(); 

if(!l1.isEmpty()){
	for(int i=0;i<l1.size();i++){
		List list1=(List)l1.get(i);
		f1+=Float.parseFloat(list1.get(0).toString())*Integer.parseInt(list1.get(1).toString());
	}
	dataset.addValue(f1, "1", "1");
}
if(!l2.isEmpty()){
	for(int i=0;i<l2.size();i++){
		List list1=(List)l2.get(i);
		f2+=Float.parseFloat(list1.get(0).toString())*Integer.parseInt(list1.get(1).toString());
	}
	dataset.addValue(f2, "2", "2");
}

if(!l3.isEmpty()){
	for(int i=0;i<l3.size();i++){
		List list1=(List)l3.get(i);
		f3+=Float.parseFloat(list1.get(0).toString())*Integer.parseInt(list1.get(1).toString());
	}
	dataset.addValue(f3, "3", "3");
}
if(!l4.isEmpty()){
	for(int i=0;i<l4.size();i++){
		List list1=(List)l4.get(i);
		f4+=Float.parseFloat(list1.get(0).toString())*Integer.parseInt(list1.get(1).toString());
	}
	dataset.addValue(f4, "4", "4");
}