angularjs 动态从后台获取下拉框的值方法

 //职务等级和档次/军衔等级和档次,需要从后台获取:poslist,type:2/3/4/5
 $scope.getDyActivityInforItems=function(){
 serviceData.getData('inforinput/getAllSelectValueByType','POST',{
 type:2 
 }).then(function(json){
 if(json.code==0){
  $scope.poslist=json.content;
 };
 }, function(json){
 console.log(json);
 });
 };

<!-- 空格空开来区分职务等级 -->
<div class="item" style="border-: 1px solid #ddd;padding-: 2px;">
<label class="list_tit">职务等级</label>
<div class="item_input" ng-init="getDyActivityInforItems()">
 <!-- <select class="fillIn select-able" ng-model="item" ng-options="item as y for y in addInfo.posList" id="dutLevel_view_1" name="dutLevel">
       </select> -->
       
       
       <select class="fillIn select-able" ng-model="selectedPos" id="dutLevel_view_1" name="dutLevel">
       <option ng-repeat="x in poslist" value="{{x.select_code}}">{{x.select_name}}</option>
       </select>
       
       <span class="imp_list_rema"></span>


<!-- 
<select class="fillIn select-able" ng-model="addInfo.addInfoView.positionRank" >
<option value="" selected>请选择</option>
</select> -->

</div>
</div>

addInfo.addInfoView.positionRank=0;
						$scope.poslist=json.content;
						setTimeout(function() { 
					   $scope.$apply(function() { 
					  	 addInfo.addInfoView.positionRank=yuanPos;
					   }); 
					 }, 1000); 

<!-- 空格空开来区分职务等级 -->
				<div class="item" style="border-: 1px solid #ddd;padding-: 2px;">
					<label class="list_tit">职务等级</label>
					<div class="item_input" ng-init="getPosMilSelectValue()">
       <select class="fillIn select-able" ng-selected="addInfo.addInfoView.positionRank" ng-model="addInfo.addInfoView.positionRank" id="dutLevel_view_1" name="dutLevel">
       <option ng-repeat="x in poslist" value="{{x.select_code}}">{{x.select_name}}</option>
       </select>
       <span class="imp_list_rema"></span>
       <span style="background:#3cb671;margin-left:20px;height:17px;width:20px" ng-click="addInfo.viewInput_add_item=!addInfo.viewInput_add_item;addInfo.addItemName='';selectType=2">
       <a style="margin-left:7px;margin-:2px" href="javascript:;" rel="external nofollow" title=""> + </a></span>
					</div>
				</div>