.service('DateServices', [function () {

        // 获取某年自然周的方法 （如果是当年，只返回到一月到当前月的自然周数组）

        this.get = function zhou(z) {

            var week_arr = [];

            for (var i = 12; i > 0; i--) {

                week_arr.unshift(getInfo(z, i));

            }

            //定义空字符串

            var str_week = [];

            for (var j = week_arr.length - 1; j >= 0; j--) {

                for (var o = 0; o < week_arr[j].length; o++) {

                    str_week.unshift(week_arr[j][o]);

                }

            }

            var option_list = [];

            var nowY = new Date().getFullYear();

            var nowM = new Date().getMonth() + 1;

            for (var f = str_week.length - 1; f >= 0; f--) {

                var first = str_week[f].split("|")[0].split('-');

                if (first[1] < 10) {

                    first[1] = '0' + first[1]

                }

                if (first[2] < 10) {

                    first[2] = '0' + first[2]

                }

                var second = str_week[f].split("|")[1].split('-');

                if (second[1] < 10) {

                    second[1] = '0' + second[1]

                }

                if (second[2] < 10) {

                    second[2] = '0' + second[2]

                }

                var option = first[0] + '-' + first[1] + '-' + first[2] + '至' + second[0] + '-' + second[1] + '-' + second[2];

                if ((first[0] < nowY) || (first[0] == nowY && first[1] <= nowM)) {

                    option_list.push(option);

                }

            }

            return option_list;

        }

        // 获取当前周日期

        this.getCurrentWeek = function () {

            var now = new Date();

            var nowTime = now.getTime();

            var day = now.getDay();

            var oneDayTime = 24 * 60 * 60 * 1000;

            var MondayTime = nowTime - (day - 1) * oneDayTime;

            var SundayTime = nowTime + (7 - day) * oneDayTime;

            var monday = new Date(MondayTime);

            var sunday = new Date(SundayTime);

            return formatDate(monday) + '至' + formatDate(sunday)

        }

        //根据开始日期和结束日期获取所有日期的方法

        this.getDate = function (day1, day2) {

            var getDate = function (str) {

                var tempDate = new Date();

                var list = str.split("-");

                tempDate.setFullYear(list[0]);

                tempDate.setMonth(list[1] - 1);

                tempDate.setDate(list[2]);

                return tempDate;

            }

            var date1 = getDate(day1);

            var date2 = getDate(day2);

            if (date1 > date2) {

                var tempDate = date1;

                date1 = date2;

                date2 = tempDate;

            }

            date1.setDate(date1.getDate() + 1);

            var dateArr = [];

            var i = 0;

            while (!(date1.getFullYear() == date2.getFullYear()

            && date1.getMonth() == date2.getMonth() && date1.getDate() == date2

                .getDate())) {

                var dayStr = date1.getDate().toString();

                var monthStr = (date1.getMonth() + 1).toString()

                if (dayStr.length == 1) {

                    dayStr = "0" + dayStr;

                }

                if (monthStr.length == 1) {

                    monthStr = "0" + monthStr;

                }

                dateArr[i] = date1.getFullYear() + "-" + monthStr + "-"

                    + dayStr;

                i++;

                /*

                 * document.write("<div style='display:block'>" + date1.getFullYear() +

                 * "-" + (date1.getMonth() + 1) + "-" + date1.getDate() + "</div>");

                 */

                // document.write(dateArr[i] + "<br>");

                date1.setDate(date1.getDate() + 1);

            }

            dateArr.splice(0, 0, day1)

            dateArr.push(day2);

            return dateArr;

        }

        // 获取最近12个月数组

        this.getRecentlyMonth = function () {//获取近12月日期

            var dataArr = [];

            var data = new Date();

            var year = data.getFullYear();

            data.setMonth(data.getMonth() + 1)//获取到当前月份,设置月份

            for (var i = 0; i < 12; i++) {

                data.setMonth(data.getMonth() - 1);//每次循环一次 月份值减1

                var month = data.getMonth() + 1;

                if (month < 10) {

                    month = '0' + month;

                }

                dataArr.push(data.getFullYear() + "-" + month)

            }

            return dataArr.reverse();

        };

        // 获取某年某月最后一天

        this.getDaysInOneMonth = function(year, month) {

            month = parseInt(month, 10);

            var d = new Date(year, month, 0);

            return d.getDate();

        };

        function getInfo(year, month) {

            var d = new Date();

            // what day is first day

            d.setFullYear(year, month - 1, 1);

            var w1 = d.getDay();

            if (w1 == 0) w1 = 7;

            // total day of month

            d.setFullYear(year, month, 0);

            var dd = d.getDate();

            // first Monday

            var d1;

            if (w1 != 1) d1 = 7 - w1 + 2;

            else d1 = 1;

            var week_count;

            week_count = Math.ceil((dd - d1 + 1) / 7);

            //document.write(year + "年" + month + "月有" + week_count +"周");

            var zhou_arr = [];

            for (var i = 0; i < week_count; i++) {

                var monday = d1 + i * 7;

                var sunday = monday + 6;

                var from = year + "-" + month + "-" + monday;

                var to;

                if (sunday <= dd) {

                    to = year + "-" + month + "-" + sunday;

                } else {

                    d.setFullYear(year, month - 1, sunday);

                    to = d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate();

                }

                zhou_arr.unshift(from + "|" + to);

                //document.write("第"+(i+1)+"周 从" + from + " 到 " + to + "");

            }

            return zhou_arr;

        }

        function YMDinfo(ymd) {

            var arr = new Array();

            var arr = ymd.split("|");

            return arr[0].split("-")[1] + "月" + arr[0].split("-")[2] + "日" + "-" + arr[1].split("-")[1] + "月" + arr[1].split("-")[2] + "日";

        }

        function formatDate(ns) {

            var d = new Date(ns);

            var month = d.getMonth() + 1;

            var date = d.getDate();

            if (month < 10) {

                month = '0' + month;

            }

            if (date < 10) {

                date = '0' + date;

            }

            var dformat = [d.getFullYear(), month, date].join('-')

            return dformat;

        }

    }])