angularjs異步設置Select選擇框的默認值

###angularjs異步設置Select選擇框的當前欄目爲默認值 htmlhtml

<div class="form-group">
                        <label class="col-sm-3 control-label no-padding-right ng-pristine ng-untouched ng-valid ng-binding" for="groupvalue" ng-change="gchange()" ng-model="selectGroup">更改組</label>
                        <div class="col-sm-9">
                            <select style="float:left;width:83%" class=" ng-pristine ng-untouched ng-valid" ng-model="nggroup" ng-options="a.id as a.name for a in groups">
                                <!--<option value=""></option>-->
                            </select>
                        </div>
                    </div>

angular:angularjs

$http.get('/api/v1.0/webs')
                .success(function (response) {
                    $rootScope.groups = response.allgroup;
                    $scope.groups = $rootScope.groups;
                }).error(function () {
                    alert('獲取數據失敗');
                });
//這裏是你要給出當前欄目id,能夠在html模板中給出groupid=12,而後在angularjs中取到:
$scope.nggroup=groupid;

這裏是關鍵:$scope.nggroup 對應ng-model="nggroup"web

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