如何从数据库中获取特定数据并将值投射到 angularjs 的下拉菜单中

How to get the particular data from a database and project the value in the dropdown menu in angularjs

Html

<select id="releasetype" 
        name="releasetype" 
        ng-model ="changelog.releaseType" 
        class="form-control" 
        ng-options="releaseType.category as releaseType.category for releaseType in releaseTypes">

控制器

$scope.releaseTypes = changelogFactory.getCategories;

使用

在控制器中

$scope.releaseTypes = [];
changelogFactory.getCategories(function(data){
    $scope.releaseTypes = data;
});

在工厂

return getCategories(callback){
   $http.get()
      .success(data){ 
         callback(data)
      }
}