如何使用AngularJS在HTML select中显示json响应

Question

Json Response

[{"parentCategoryName":"Automobiles","subCategories":[[{"subCategoryID":1,"subCategoryName":"Car Parts & Accessories"},{"subCategoryID":2,"subCategoryName":"Campervans & Caravans"},{"subCategoryID":3,"subCategoryName":"Motorbikes & Scooters"},{"subCategoryID":4,"subCategoryName":"Motorbike Parts & Accessories"},{"subCategoryID":5,"subCategoryName":"Vans, Trucks & Plant"},{"subCategoryID":6,"subCategoryName":"Wanted"}]]}]

Answer should be Please see below image

I want to display the above json response like this

HTML Code

 <select name="category-group" id="category-group" class="form-control">
        <option value="0" selected="selected"> Select a category...</option>
        <option value="Vehicles" style="background-color:#E9E9E9;font-weight:bold;" disabled="disabled"> - Vehicles -
        </option>
        <option value="Cars"> Cars</option>
        <option value="Commercial vehicles"> Commercial vehicles</option>
        <option value="Motorcycles"> Motorcycles</option>
        <option value="Motorcycle Equipment"> Car &amp; Motorcycle</option>
    </select>

AngularJS Controller

$scope.getCategory = function() {
            ApiService.getCategory().then(function (response) {
                $scope.categoriesBody = response;   
                console.log($scope.categoriesBody);

            }); 
        }

Thanks

Answer 1

Hi every body i found answer

AngularJS Controller

$scope.getCategory = function() {
        ApiService.getCategory().then(function (response) {
            $scope.categoriesBody = response;
            $scope.parentArray=[];
            $scope.subArray=[];
            $scope.ParentCategory = [];
            angular.forEach($scope.categoriesBody, function(parentCat){
                $scope.parentArray = {'category': parentCat.parentCategoryName, 'value' : []};
                angular.forEach(parentCat.subCategories[0], function(subCat){
                    $scope.subArray = {'category': parentCat.parentCategoryName, 'value' : subCat.subCategoryName}; 
                    $scope.ParentCategory.push($scope.subArray);
                }); 
            }); 
        });
    };

HTML

<select class="form-control" ng-model="tipost" ng-options="obj.value group by obj.category for obj in ParentCategory"></select>