angular select2 ng-model 取值 ng-change调用方法

‘/select2.css‘,
‘/select2-bootstrap.css‘,
‘/select2.min.js‘,
‘/ui-select2.js‘

<div ui-module="select2">
<select 
　　ui-select2="{allowClear: true}" 
　　ng-model="selectedOrgName"  // ng-model
　　class="form-control w-md-important" 
　　ng-options="item.orgCode as item.orgName for item in orgNameList"  //orgNameList是从接口里取出的数据，item.orgName是显示在option里的内容，item.orgCode就是ng-model的值

　　ng-change="getInsuranceOrgList()">    //每次点击option调用事件
</select>
</div>

$scope.selectedOrgName = ‘‘; //ng-model的值
$scope.getInsuranceOrgList = function () {
     var url = ‘/station/org/getInsuranceOrgList‘;
     var params = {
         orgName:$scope.selectedOrgName //获取到值 作为入参传给接口
     };
     $http.post(url,params).success(function(res){
         $scope.orgNameList = res.respData.listObj;
     }).error(function(){});
};
$scope.getInsuranceOrgList();