📄 ch3-2b.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<html>
<head><title>购买商品－读取Session</title></head>
<body bgcolor="#FFFFcc">
<%
String name1,jiage1,name2,jiage2,name3,jiage3,name4,jiage4;
name1=(String)session.getValue("name1");
jiage1=(String)session.getValue("jiage1");
name2=(String)session.getValue("name2");
jiage2=(String)session.getValue("jiage2");
name3=(String)session.getValue("name3");
jiage3=(String)session.getValue("jiage3");
name4=(String)session.getValue("name4");
jiage4=(String)session.getValue("jiage4");
float jg1,jg2,jg3,jg4,jgz;
jg1=Float.parseFloat(jiage1);
jg2=Float.parseFloat(jiage2);
jg3=Float.parseFloat(jiage3);
jg4=Float.parseFloat(jiage4);
if (name1==null)
{name1="";
jiage1="";
jg1=0;}
if (name2==null)
{name2="";
jiage2="";
jg2=0;}
if (name3==null)
{name3="";
jiage3="";
jg3=0;}
if (name4==null)
{name4="";
jiage4="";
jg4=0;}
jgz=jg1+jg2+jg3+jg4;
%>
<p class="style1">你购买的文具如下：</p>
<table width="384" border="1" cellspacing="0" bordercolor="#FF66CC">
<tr>
<th width="176" scope="row">商 品</th>
<th width="198">价 格</th>
</tr>
<tr>
<td scope="row"> <%=name1%> </td>
<td><%=jiage1%></td>
</tr>
<tr>
<td scope="row"> <%=name2%></td>
<td><%=jiage2%></td>
</tr>
<tr>
<td scope="row"> <%=name3%></td>
<td><%=jiage3%></td>
</tr>
<tr>
<td scope="row"> <%=name4%></td>
<td><%=jiage4%></td>
</tr>
<tr>
<th scope="row">金 额</th>
<td><%=jgz%></td>
</tr>
</table>
<p><a href="ch3-2.htm">返回购物</a></p>
</body>
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