Spring form标签 Select 根据后台传值 动态选中

<script type="text/javascript">
$(document).ready(function(){
var _orderType=$("#_orderTypes").val();
$("#orderTypes").val(_orderType);
});
</script>

<!--   JSP -->

<form:form  modelAttribute="scRepairs" action="${ctx}/estate/repairs/Modify"

<input type="hidden" id="_orderTypes"  value="${repairsType }"/>

<form:select id="orderTypes"   path="orderType" >

<form:options  items="${orderTypes}"   itemValue="eleCode" itemLabel="eleName"/>

</form:select> 

</form:form>

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itemLabel="${screpairs.repairsType}" :对应下拉框的标签值(动态默认选中)

 path="orderType":对应表单对象属性值(即scRepairs.orderType)

items="${orderTypes}" :下拉框选项的数据(List、Map、Set)

itemValue="eleCode":对应元素的键

itemLabel="eleName":对应元素的值

@RequestMapping(value="/Modify*")
public String Modify(@ModelAttribute("scRepairs")ScRepairs scRepairs, HttpServletRequest request,
            HttpServletResponse response){

}