JSP中foreach标签（JSTL）的使用

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<table align="center" width="98%" border="0" cellspacing="1" cellpadding="0" class="resulttable">
<tr>
<th width="18%">卡种类型</th>
<th width="82%">卡种等级</th>
</tr>
<c:if test="${ empty command.cardList}">
<tr><td align="center" colspan="10" class="oddbgc" >无记录</td>
</tr>
</c:if>
<c:if test="${ not empty command.cardList}">
<c:forEach  var="bean" items="${ command.cardList}" varStatus="s">
<c:if test="${bean.dataLevel=='1'}">
<tr>
<td align="left" class="<c:choose ><c:when test='${s.index%2 ==0}'>oddbgc</c:when><c:otherwise>evenbgc</c:otherwise></c:choose>">
<c:out value="${bean.cardName}"/>
</td>
<td align="left" class="<c:choose ><c:when test='${s.index%2 ==0}'>oddbgc</c:when><c:otherwise>evenbgc</c:otherwise></c:choose>">
<c:forEach  var="childbean" items="${ command.cardList}" varStatus="sr">
<c:if test="${bean.cardCode eq childbean.parentCardCode}">
<c:out value="${childbean.cardName}"/>
</c:if>
</c:forEach>
</td>
</tr>
</c:if>
</c:forEach>
</c:if>
</table>