angluar js 分页代码

controller('store_device-ctrl', ['$scope', 'adService', '$rootScope',  //我的设备
        function ($scope, adService, $rootScope) {
           console.log("全局" + $scope.myShopid);
            //#######################################  账号查询所有设备  ########################################
            $scope.count = 0;       //默认总页数
            $scope.p_pernum = 5;    //页面大小

            $scope.p_current = 1;   //当前页
            $scope.p_all_page = 0;  //尾页
            $scope.pages = [];      //初始化页码

            var _get = function (page, size) {
                var url = "device/queryDevice/" + $rootScope.myShopid + "/" + page + "/" + size + "?_=" + new Date().getTime();   ////wifiDre.json?status=0&page="+page+"&size="+size+"";
                var success = function (res) {
                    console.log("分页查询设备");
                    console.log(res);
                    $scope.id = res.id
                    $scope.deviceTotal = res.deviceTotal;
                    $scope.deviceInlineTotal = res.deviceInlineTotal;
                    $scope.shopNum = res.shopNum;
                    $scope.shopAdrr = res.addr;
                    $scope.devices = res.deviceExtModels;
                    $scope.count = res.deviceTotal;   //总页码,后台传过来
                    $scope.p_current = page;          //当前页码
                    $scope.p_all_page = Math.ceil($scope.count / $scope.p_pernum);//一共有多少页(总页数除以页面大小)
                    reloadPno();                      //初始化页码

                };
                console.log("当前" + url);
                adService.get(url, null, success, null);
            }
            //加载数据
            _get($scope.p_current, $scope.p_pernum);//调用函数加载数据

            //上一页
            $scope.p_index = function () {
                if ($scope.p_current != 1) {
                    $scope.load_page($scope.p_current - 1);
                }
            }
            //下一页  
            $scope.p_last = function () {
                if ($scope.p_current != $scope.p_all_page) {
                    $scope.load_page($scope.p_current + 1);
                }
            }
            //加载某一页
            $scope.load_page = function (page) {
                _get(page, $scope.p_pernum);
            };
            //初始化页码  
            var reloadPno = function () {
                $scope.pages = calculateIndexes($scope.p_current, $scope.p_all_page, 4); //最后参数必须为偶数
                console.log("分页算法" + $scope.pages);
            };
            //分页算法
            var calculateIndexes = function (current, length, displayLength) {
                var indexes = [];
                var start = Math.round(current - displayLength / 2);
                var end = Math.round(current + displayLength / 2);
                if (start <= 1) {
                    start = 1;
                    end = start + displayLength - 1;
                    if (end >= length - 1) {
                        end = length - 1;
                    }
                }
                if (end >= length - 1) {
                    end = length;
                    start = end - displayLength + 1;
                    if (start <= 1) {
                        start = 1;
                    }
                }
                for (var i = start; i <= end; i++) {
                    indexes.push(i);
                }
                return indexes;
            };


////////////////////////////////////////  html   ////////////////////////////
   
 
        
  总记录数{{count}} 共：{{p_all_page}} 页
        
  
 
   
<
 
   
{{ page }}
 
   
>