//分页下拉

var ajaxScroll = function() {

    var screenHeight = window.screen.height;

    $(document).scroll(function() {

        if (screenHeight + document.body.scrollTop >= document.body.scrollHeight) {

            $scope.pageNum = Math.ceil($scope.total / $scope.pageSize);

            if ($scope.pageNo <= $scope.pageNum) {

                $scope.pageNo++;

                $scope.tips = '正在加载数据...';

                setTimeout(function() {

                    loadData($scope.state, $scope.pageNo);

                }, 500);

                $scope.$apply();

            }

            $(document).unbind('scroll');

        }

    })

}

$scope.pageNo = 1; //第几页

$scope.pageSize = 5; //展示条数

$scope.total; //总条数

$scope.tasks = [];

$scope.state = 0;

//加载列表

function loadData(state, page) {

    $.ajax({

        type: "get",

        url: webroot + '/services/api/task/list/' + state + '?' + 'pageNo=' + $scope.pageNo + '&pageSize=' + $scope.pageSize,

        dataType: "json",

        headers: {

            'ticket': ticket

        },

        success: function(rsp) {

            if (rsp.code == 200) {

                $scope.total = rsp.result.total;

                // $scope.tasks = rsp.result.tasks;

                if ($scope.tasks) {

                    for (var i = 0; i < rsp.result.tasks.length; i++) {

                        $scope.tasks.push(rsp.result.tasks[i]);

                    }

                } else {

                    $scope.tasks = rsp.result.tasks;

                }

                if ($scope.pageNo >= (Math.ceil($scope.total / $scope.pageSize)) && rsp.result.tasks.length) {

                    $scope.tips = '已经全部加载完毕';

                } else if (!rsp.result.tasks.length) {

                    $scope.tips = '暂时没有数据';

                } else {

                    ajaxScroll();

                }

                $scope.pageNo = rsp.result.pageNo;

                $scope.$apply();

            } else {

                console.log(rsp.message)

            }

        },

        error: function(data) { console.log("error"); },

    });

};

//首次加载

loadData($scope.state, $scope.pageNo);