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📄 vote.jsp

📁 一个超市管理系统,提供一些基本简单的操作,JSP+APACHE+ORCALE实现
💻 JSP
字号:
<%@ include file="include.inc"%>
<%@ page contentType="text/html; charset=gb2312" language="java" %>
<c:set var="all" value="SELECT 曹操+孙权+刘备+诸葛亮+未确定 as a FROM vote"/>
<c:set var="vote1" value="SELECT 曹操 as c  FROM vote"/>
<c:set var="vote2" value="SELECT 孙权 as c  FROM vote"/>
<c:set var="vote3" value="SELECT 刘备 as c  FROM vote"/>
<c:set var="vote4" value="SELECT 诸葛亮 as c FROM vote"/>
<c:set var="vote5" value="SELECT 未确定 as c FROM vote"/>

<sql:query sql="${all}" var="queryall" dataSource="${vote}"/>   
  <c:forEach var="row" items="${queryall.rows}">    
      <c:set var="allcount" scope="page" value="${row.a}"/> 	 
  </c:forEach> 
<html>
<head>
  <title>表达式语言综合举例</title>
</head>
<body bgcolor="#FFFFFF">
<center>
三国中,你最喜欢的人物是:
<table width="75%" border="1">
  <tr align="center">
    <td width="17%" align="center">候选人</td>
    <td width="83%" align="center">得票率</td>
  </tr>
  <tr>
  <sql:query  var="query" dataSource="${vote}">  
 		SELECT 曹操 as c  FROM vote
  </sql:query>  
    <td><a href="vote_do.jsp?id=曹操">曹操 </a></td>
	 <c:forEach var="row" items="${query.rows}">   
    <td><img src="images/100.gif" height="16" width="${200*row.c/allcount}" align="texttop">	 
      (${row.c}/${allcount})
     </c:forEach> 
	</td>
  </tr>
  <tr>
     <sql:query  var="query" dataSource="${vote}">  
         SELECT 诸葛亮 as c  FROM vote
     </sql:query>  
    <td><a href="vote_do.jsp?id=诸葛亮">诸葛亮</a></td>
    <c:forEach var="row" items="${query.rows}">   
    <td><img src="images/100.gif" height="16" width="${200*row.c/allcount}" align="texttop">	 
      (${row.c}/${allcount}  )
     </c:forEach> 
     </td>
  </tr>
  <tr>
  <sql:query  var="query" dataSource="${vote}">  
 		SELECT 刘备 as c  FROM vote
  </sql:query>  
    <td><a href="vote_do.jsp?id=刘备">刘备</a></td>
    <c:forEach var="row" items="${query.rows}">   
    <td><img src="images/100.gif" height="16" width="${200*row.c/allcount}" align="texttop">	 
      (${row.c}/${allcount}  )
     </c:forEach> 
     </td>
  </tr>
  <tr>
  <sql:query  var="query" dataSource="${vote}">  
 		SELECT 孙权 as c  FROM vote
  </sql:query>  
    <td><a href="vote_do.jsp?id=孙权">孙权</a></td>
    <c:forEach var="row" items="${query.rows}">   
    <td><img src="images/100.gif" height="16" width="${200*row.c/allcount}" align="texttop">	 
      (${row.c}/${allcount}  )
     </c:forEach> 
     </td>
  </tr>
  <tr>  
  <sql:query  var="query" dataSource="${vote}">  
 		SELECT 未确定 as c  FROM vote
  </sql:query>  
    <td><a href="vote_do.jsp?id=未确定">未确定</a></td>
     <c:forEach var="row" items="${query.rows}">   
    <td><img src="images/100.gif" height="16" width="${200*row.c/allcount}" align="texttop">	 
      (${row.c}/${allcount}  )
     </c:forEach> 
     </td>
  </tr>
</table>
<a href="vote_rec.jsp">查看投票人信息</a>
</center>
</body>
</html>


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