el表达式选中select的option

<select caption="异常类型" name="exception_value" >
    <option value="0" ${map.exception_value == 0?"selected":""}>全部</option>
    <option value="1" ${map.exception_value == 1?"selected":""}>起飞未结束</option>
    <option value="2" ${map.exception_value == 2?"selected":""}>起飞未开始</option>
</select>