dwz的select下拉框不为空判断

 dwz的select下拉框不为空判断

  1，class="required combox"

  2, 未选择时value="",不能有值，否则判断不了空，""才是空

  <p>

<label>发起方套餐：</label>

<select class="required combox" name="wtfCnorKey" id="wtfCnorKey" >

<option value="" selected="selected">===全部===</option>

<c:forEach var="item" items="${fq}" varStatus="s">

<option value="${item.normKey}"

<c:if test="${item.normKey==vo.wtfCnorKey}">selected="selected"</c:if>>

${item.normName}</option>

</c:forEach>

</select><font color="red" id="bailNormlimit_Type">&nbsp;*</font>

</p>

<p>

<label>参与方套餐：</label>

<select class="required combox" name="stdCnorKey" id="stdCnorKey">

<option value="" selected="selected">===全部===</option>

<c:forEach var="item" items="${fq}" varStatus="s">

<option value="${item.normKey}"

<c:if test="${item.normKey==vo.stdCnorKey}">selected="selected"</c:if>>

${item.normName}</option>

</c:forEach>

</select><font color="red" id="bailNormlimit_Type">&nbsp;*</font>

</p>