angularjs pagenation

//---- controller.js ----
$scope.pageNum = null;
$scope.currentPage = 0;
$scope.pageSize = 10;

/* get previous page data */
$scope.getPrevPage = function() {
  $scope.currentPage = $scope.currentPage - 1;
}

/* get next page data */
$scope.getNextPage = function() {
  if(($scope.currentPage + 1) === ($scope.pageNum - 1)) {
    $scope.getPageListStartData();
  }
  $scope.currentPage = $scope.currentPage + 1;
}

//---- html ----
<div class="pagination pagination-small pagination-centered" id="pager">
  <button class="btn btn-small" ng-disabled="currentPage == 0" ng-click="getPrevPage()">
  «上一页
  </button>
  {{currentPage+1}}/{{pageNum}}
  <button class="btn btn-small" ng-disabled="currentPage >= pageNum - 1" ng-click="getNextPage()">
    下一页»
  </button>
</div>

//---- filter ----
angular.module('qlinkListFilter', [])

  .filter('startFrom', function() {
    return function(input, start) {
    	if(input) {
	      start = +start; //parse to int
	      return input.slice(start);
    	}	
    }
});