Angular i18n/ngPluralize 中有没有办法检索数字的复数类别？

Question

给定一个 returns 数字的表达式或变量，有没有办法获取该数字在当前语言环境下的复数类别？

类似

// people.length == 1
ngPluralize.getCategory(people.length) // returns 'one'

Answer 1

$locale有rather tiny public API. However, there is a $locale.pluralCat method，可以用

angular.module('app', [])
  .controller('LocaleCtrl', function($scope, $locale) {
    $scope.locale = $locale.id;
    $scope.getCategory = function(count) {
      return $locale.pluralCat(count);
    };
  });

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular-i18n/1.5.5/angular-locale_pl-pl.js"></script>
<div ng-app="app">
  <div ng-controller="LocaleCtrl">
    <h1>ng-pluralize category for locale {{ locale }}</h1>
    <ul>
      <li ng-repeat="count in [0, 1, 2, 3, 4, 5, 6]">
        category for {{count}} is {{ getCategory(count) }}
      </li>
    </ul>
  </div>
</div>

当然，如果使用different locales，结果就不一样了。