如何使用$q.all的AngularJS哈希选项？

// as an object
$q.all({
  one: $http.get('/url1'),two: $http.get('/url2')
}).then(function (results) {
  var data1 = results.one;
  var data2 = results.two;
});

// as an array
$q.all([
  $http.get('/url1'),$http.get('/url2')
]).then(function (results) {
  var data1 = results[0];
  var data2 = results[1];
});