两种实现方式
一 ,第一种就是使用select来实现下拉框,如下
<div class="input-select" >
<select ng-model="areaId" class="js-input-select-title" ng-change="queryCityByQuYu()">
<option value="--请选择区域--">--请选择区域--</option>
<option ng-repeat="areaValueViewList in areaValueViewLists" ng-value="areaValueViewList.id">{{areaValueViewList.value}}</option>
</select>
</div>
<div class="input-select">
<select ng-model="cityIds" class="js-input-select-title">
<option value="--请选择城市--">--请选择城市--</option>
<option ng-repeat="platformCustomerDictionaryValue in platformCustomerDictionaryValues" value="{{platformCustomerDictionaryValue.id}}">{{platformCustomerDictionaryValue.value}}</option>
</select>
</div>
$scope.areaId="--请选择区域--";
$scope.cityIds="--请选择城市--";
//通过区域查询对应的城市--创建时
$scope.queryCityByQuYu = function()
{
if($scope.areaId == undefined || $scope.areaId == "undefined" || $scope.areaId =="--请选择区域--")
{
return;
}
}
其中下拉框选中了,将会把值付给ng-model,这样就可以通过ng-change方法来实现,
回显代码,如下
<div class="input-select">
<select ng-model="upAreaId" class="js-input-select-title" ng-change="queryCityByQuYuBj()">
<option ng-repeat="areaValueViewList in areaValueViewLists" value="{{areaValueViewList.id}}" ng-selected="upAreaId=={{areaValueViewList.id}}">{{areaValueViewList.value}}</option>
</select>
</div>
<div class="input-select">
<select ng-model="upCityId" class="js-input-select-title" >
<option ng-show="upCityId==upCityIdTwo" ng-value="upCityId" ng-selected="true">{{upCityName}}</option>
<option ng-repeat="cityValueViewList in cityListBj" value="{{cityValueViewList.id}}" >{{cityValueViewList.value}}</option>
</select>
</div>
==>upCityId==upCityIdTwo是用来显示原本的数据是否消失