jsp页面数据回显(select下拉选择框)

时间:2023-03-10 00:30:07
jsp页面数据回显(select下拉选择框)

1。静态变量方式:

<!--
实现select标签回显
-->
1.<select name="curStatus" value="${curStatus}">
<option value="0">-请选择-</option>
<option value="1" <c:if test="${'1' eq curStatus}">selected</c:if> >男</option>
<option value="2" <c:if test="${'2' eq curStatus}">selected</c:if> >女</option>
</select>

2。动态方式:两个变量都来自后台

<c:set  var="schoolid" value="${pageData.SchoolId}" scope="request"/>

<select name="schoolId" id="schoolId" style="width: 95%">
<option value="0">==请选择==</option> <c:forEach items="${organizeList}" var="var" varStatus="vs">
<option value="${var.name_code}" <c:if test="${var.name_code==schoolid}">selected</c:if> > ${var.name}</option>
</c:forEach>
</select>

说明一下:若是想2那种,实质上是比较两个对象的属性值,不能写成如下:

<select name="schoolId" id="schoolId" style="width: 95%">
<option value="0">==请选择==</option> <c:forEach items="${organizeList}" var="var" varStatus="vs">
<option value="${var.name_code}" <c:if test="${var.name_code==pageData.SchoolId}">selected</c:if> > ${var.name}</option>
</c:forEach>
</select>