在mdPicker库angularJs上设置分钟步数

<input type="text" ng-model="selectedTime" ng-click="openTimePicker()" readonly>

app.controller('MainCtrl', function($scope, $mdDialog) {
  $scope.selectedTime = '';

  $scope.openTimePicker = function() {
    $mdDialog.show({
      controller: 'TimePickerCtrl',
      templateUrl: 'time-picker.html',
      parent: angular.element(document.body),
      clickOutsideToClose: true
    });
  };
});

app.controller('TimePickerCtrl', function($scope) {
  $scope.timePickerOptions = {
    minutesStep: 15 // 设置分钟步数为15
  };
});

<md-dialog>
  <md-dialog-content>
    <md-time-picker ng-model="selectedTime" md-auto-switch="true" md-seconds="false" md-minutes-step="timePickerOptions.minutesStep"></md-time-picker>
  </md-dialog-content>
</md-dialog>