<c:if test="${not empty parammap}">
<c:forEach items="${parammap }" var="map">
<c:forEach items="${map.key}" var="key" varStatus="s">
<input type="hidden" name="searchParam[${key}]" value="${map.value }" />
</c:forEach>
</c:forEach>
</c:if>
原文：http://www.cnblogs.com/jcz1206/p/5045698.html