下拉框选中已选的选项查询操作

<select name="enable" value="${param.state}">
<option value="">-状态-</option>
<option value="0" <c:if test='${param.state == "0" }'>selected</c:if>>启用</option>
<option value="1" <c:if test='${param.state== "1" }'>selected</c:if>>禁止</option>
</select>