<div ng-controller="myController">
  <input
    format-as-currency
    ng-model="value"
    type="text"
  >
</div>

<script src="bower_components/angular/angular.js"></script>
<script src="bower_components/format-as-currency/format-as-currency.js"></script>
<script>
  angular
  .module('myModule', [
    'bcherny/formatAsCurrency'
  ])
  .controller('myController', function ($scope) {
    $scope.value = '' // currency input value
  })
</script>

<input
  format-as-currency
  currency-filter="'yuan'"
  ng-model="value"
  type="text"
>
<script>
  angular
  ...
  .filter('yuan', function ($filter) {
    return function (value) {
      return $filter('currency')(value, '¥')
    }
  })
</script>

<input
  format-as-currency
  currency-filter="'myFilter'"
  ng-model="value"
  type="text"
>
<script>
  angular
  ...
  .filter('myFilter', function () {
    return function (value) {
      return '¥' + value
    }
  })
</script>