因为我过农历生日，所以开发了这个功能哈哈哈哈

自己说了算的感觉真好

言归正传

官方的日期组件不支持农历，所以需要借助官方的多列选择器做扩展

因为农历有闰年的缘故，在选择了年份后需要更新月份，选择了月份以后需要更新日期

另外一个需要注意的是闰年的情况下，多列选择器月份选中的索引需要注意一下，如果在闰月之前的月份索引需要减一，闰月之后的月份不需要减一

比如农历2020的四月，对应的月份索引应该等于3，闰4月对应的索引等于4.看下图片就明白了

看下效果图：

可以扫码体验

1、wxml代码

这里用到官方的多列选择器

2、js

const lunarDate = require('../../utils/lunarDate.js');
const {calendar} = require('../../utils/calendar.js');
Component({
    /**
 * 组件的属性列表
 */
properties: {
    lunarYear: Number,//农历年
    lunarMonth: Number,//农历月
    lunarDay: Number,//农历日
    isLeapMonth: Boolean,//闰月标记
    solarDate: String,//公历日期
    solarDateRange: Object//公历年份起始
},

/**
 * 组件的初始数据
 */
data: {
    lunarDateRange: [],//农历日期范围
    lunarDateRangeIndex: []//选中农历索引
},

    ready: function () {
        this._init();
    },

    /**
     * 组件的方法列表
     */
    methods: {
        _init: function () {
            const {
                lunarYear,
                lunarMonth,
                lunarDay,
                isLeapMonth,
                solarDate,
                solarDateRange
            } = this.properties;

            this._initLunarDateRange(solarDate, solarDateRange, lunarYear, lunarMonth, lunarDay, isLeapMonth);
        },

        /**
         * 初始化农历日期数据
         * @param solarDate
         * @param solarDateRange
         * @param lunarYear
         * @param lunarMonth
         * @param lunarDay
         * @param isLeapMonth
         * @private
         */
        _initLunarDateRange: function (solarDate, solarDateRange, lunarYear, lunarMonth, lunarDay, isLeapMonth) {
            const lunarDateRange = lunarDate.initLunarDateRangeHandler(solarDateRange);
            const lunarDateRangeIndex = this._setDefaultLunarDateRangeIndex(lunarDateRange, solarDate, solarDateRange, lunarYear, lunarMonth, lunarDay, isLeapMonth);
            this._updateLunarDateRange(lunarDateRange, lunarDateRangeIndex);
            if (lunarYear && lunarMonth && lunarDay) {
                console.log("农历日期不为空，准备显示农历日期");
                this._showLunarDateHandler(lunarDateRange, lunarDateRangeIndex, false);
            } else if (solarDate) {
                console.log("公历日期不为空，准备显示转化后的农历日期");
                this._showLunarDateHandler(lunarDateRange, lunarDateRangeIndex, true);
            }
            console.log("农历日期：", lunarDateRange);
        },


        /**
         * 填充默认的农历日期选中索引
         * 默认为当前日期
         * @param lunarDateRange
         * @param solarDate
         * @param solarDateRange
         * @param lunarYear
         * @param lunarMonth
         * @param lunarDay
         * @param isLeapMonth
         * @returns {*[]}
         * @private
         */
        _setDefaultLunarDateRangeIndex: function (lunarDateRange, solarDate, solarDateRange, lunarYear, lunarMonth, lunarDay, isLeapMonth) {
            let lunarDateRangeIndex;
            if (lunarYear && lunarMonth && lunarDay) {
                console.log("外部传入农历日期：", lunarYear, lunarMonth, lunarDay, isLeapMonth);
                lunarDateRangeIndex = [lunarYear - solarDateRange.start, this._getLunarMonthIndex(lunarYear, lunarMonth, isLeapMonth), lunarDay - 1];
            } else {
                console.log("外部传入公历日期：", solarDate);
                let date = solarDate != null ? new Date(solarDate.replace(/-/g,"/")) : new Date();
                // let date = new Date(solarDate.replace(/-/g,"/"));
                const year = date.getFullYear();
                const month = date.getMonth() + 1;
                const day = date.getDate();
                const targetLunarDate = calendar.solar2lunar(year, month, day);
                console.log("转化后的农历日期：", JSON.stringify(targetLunarDate));
                const {lYear, lMonth, lDay, isLeap} = targetLunarDate;

                lunarYear = lYear;
                lunarMonth = lMonth;
                isLeapMonth = isLeap;
                lunarDateRangeIndex = [lYear - solarDateRange.start, this._getLunarMonthIndex(lunarYear, lunarMonth, isLeapMonth), lDay - 1];
            }
            lunarDateRange[1] = lunarDate.resetLunarMonthRangeHandler(lunarYear);
            lunarDateRange[2] = lunarDate.resetLunarDayRangeHandler(lunarYear, lunarMonth, isLeapMonth);

            console.log("默认的农历日期选中索引：", lunarDateRangeIndex);
            return lunarDateRangeIndex;
        },

        /**
         * 获取农历月份索引
         * @param lunarYear
         * @param lunarMonth
         * @param isLeapMonth
         * @returns {number}
         * @private
         */
        _getLunarMonthIndex: function (lunarYear, lunarMonth, isLeapMonth) {
            const leapMonth = calendar.leapMonth(lunarYear);
            //1、闰月索引不需要减一
            //2、闰年、非闰月，并且当前月份在闰月之后，索引不需要减一
            return (isLeapMonth || (!isLeapMonth && leapMonth > 0 && lunarMonth > leapMonth)) ? lunarMonth : lunarMonth - 1;
        },

        /**
         * 更新农历日期选择范围、更新农历日期选中索引
         * @param lunarDateRange
         * @param lunarDateRangeIndex
         * @private
         */
        _updateLunarDateRange: function (lunarDateRange, lunarDateRangeIndex) {
            this.setData({
                lunarDateRange,
                lunarDateRangeIndex
            }, function () {
                console.log("农历日期选择范围/农历日期选中索引更新完毕：", lunarDateRange, lunarDateRangeIndex)
            });
        },


        /**
         * 多列选择事件
         * @param e
         */
        selectMultiPickerColumnHandler: function (e) {
            const {column, value} = e.detail;
            let {lunarDateRange, lunarDateRangeIndex} = this.data;
            let selectYear;
            switch (column) {
                case 0:
                    //选择年份，准备更新月份数据
                    selectYear = lunarDateRange[column][value].value;
                    console.log("选择年份：", selectYear);
                    const memoryLunarMonthRange = lunarDate.resetLunarMonthRangeHandler(selectYear);
                    lunarDateRange[1] = memoryLunarMonthRange;
                    //更新选中值
                    lunarDateRangeIndex = [value, 0, 0];
                    this._updateLunarDateRange(lunarDateRange, lunarDateRangeIndex);
                    break;
                case 1:
                    //选择月份，准备更新天数数据
                    const {value: selectMonth, isLeapMonth} = lunarDateRange[column][value];
                    selectYear = lunarDateRange[0][lunarDateRangeIndex[0]].value;
                    console.log("选择年份：", selectYear, "选择月份：", selectMonth, "是否闰月：", isLeapMonth);
                    const memoryLunarDayRange = lunarDate.resetLunarDayRangeHandler(selectYear, selectMonth, isLeapMonth);
                    lunarDateRange[2] = memoryLunarDayRange;
                    //更新选中值
                    lunarDateRangeIndex = [lunarDateRangeIndex[0], value, 0];
                    this._updateLunarDateRange(lunarDateRange, lunarDateRangeIndex);
                    break;
                default:
                    console.log("选择日：", lunarDateRange[column][value]);
                    break;
            }

        },

        /**
         * 选择农历日期
         * @param e
         */
        multiPickerChangeHandler: function (e) {
            console.log('选择农历日期：', e);
            const {value: selectValue} = e.detail;
            const {lunarDateRange} = this.data;
            this._showLunarDateHandler(lunarDateRange, selectValue, true);
        },

        /**
         * 显示选中的农历日期
         * @param lunarDateRange
         * @param lunarDateRangeIndex
         * @param doTriggerEvent 是否触发通知事件，告知父页面当前选中的农历日期
         * @private
         */
        _showLunarDateHandler: function (lunarDateRange, lunarDateRangeIndex, doTriggerEvent) {
            const [lunarYearIndex, lunarMonthIndex, lunarDayIndex] = lunarDateRangeIndex;
            const isLeapMonth = lunarDateRange[1][lunarMonthIndex].isLeapMonth;
            this.setData({
                lunarDate: lunarDateRange[0][lunarYearIndex].text + lunarDateRange[1][lunarMonthIndex].text + lunarDateRange[2][lunarDayIndex].text,
                isLeapMonth,
                lunarDateRangeIndex
            }, function () {
                if (doTriggerEvent) {
                    console.log("触发lunarDateConfirm事件");
                    this.triggerEvent("lunarDateConfirm", {
                        lunarYear: lunarDateRange[0][lunarYearIndex].value,
                        lunarMonth: lunarDateRange[1][lunarMonthIndex].value,
                        lunarDay: lunarDateRange[2][lunarDayIndex].value,
                        isLeapMonth
                    });
                }
            });
        }
    }
});

3、lunarDate.js

const {calendar} = require('/calendar.js');
/**
 * 填充农历日期
 * @param solarDateRange
 * @returns {Array}
 */
const initLunarDateRangeHandler = function (solarDateRange) {
    console.log("公历日期范围：", solarDateRange);
    const lunarDateRange = [];
    const lunarYearRange = [], lunarMonthRange = [], lunarDayRange = [];
    for (let i = solarDateRange.start; i <= solarDateRange.end; i++) {
        lunarYearRange.push({text: calendar.toGanZhiYear(i) + '(' + i + ')', value: i});
    }
    for (let i = 1; i <= 12; i++) {
        lunarMonthRange.push({text: calendar.toChinaMonth(i), value: i, isLeapMonth: false});
    }
    for (let i = 1; i <= 29; i++) {
        lunarDayRange.push({text: calendar.toChinaDay(i), value: i});
    }
    lunarDateRange.push(lunarYearRange);
    lunarDateRange.push(lunarMonthRange);
    lunarDateRange.push(lunarDayRange);
    console.log("农历日期：", lunarDateRange);
    return lunarDateRange;
};

/**
 * 重置农历月份
 * @param selectYear
 * @returns {Array}
 */
const resetLunarMonthRangeHandler = function (selectYear) {
    const leapMonth = calendar.leapMonth(selectYear);
    const lunarMonthRange = [];
    console.log("选择年份：", selectYear, "闰月：", leapMonth);
    for (let i = 1; i <= 12; i++) {
        lunarMonthRange.push({text: calendar.toChinaMonth(i), value: i, isLeapMonth: false});
    }
    if (leapMonth > 0) {
        console.log("有闰月，准备更新月份数据");
        lunarMonthRange.splice(leapMonth, 0, {
            text: "闰" + calendar.toChinaMonth(leapMonth),
            value: leapMonth,
            isLeapMonth: true
        });
    }
    return lunarMonthRange;
};

/**
 * 重置农历日
 * @param selectYear
 * @param selectMonth
 * @param isLeapMonth
 * @returns {Array}
 */
const resetLunarDayRangeHandler = function (selectYear, selectMonth, isLeapMonth) {
    const lunarDayRange = [];
    console.log("选择年份：", selectYear, "选择月份：", selectMonth, "是否闰月：", isLeapMonth);
    const days = isLeapMonth ? calendar.leapDays(selectYear) : calendar.monthDays(selectYear, selectMonth);
    for (let i = 1; i <= days; i++) {
        lunarDayRange.push({text: calendar.toChinaDay(i), value: i});
    }
    return lunarDayRange;
};

module.exports = {initLunarDateRangeHandler, resetLunarMonthRangeHandler, resetLunarDayRangeHandler};

4、calendar.js（来自网上）

/**
 * @1900-2100区间内的公历、农历互转
 * @charset UTF-8
 * @Author Jea杨(JJonline@JJonline.Cn)
 * @Time  2014-7-21
 * @Time  2016-8-13 Fixed 2033hex、Attribution Annals
 * @Time  2016-9-25 Fixed lunar LeapMonth Param Bug
 * @Version 1.0.2
 * @公历转农历：calendar.solar2lunar(1987,11,01); //[you can ignore params of prefix 0]
 * @农历转公历：calendar.lunar2solar(1987,09,10); //[you can ignore params of prefix 0]
 */
const calendar = {
    /**
     * 农历1900-2100的润大小信息表
     * @Array Of Property
     * @return Hex
     */
    lunarInfo: [0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2,//1900-1909
        0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977,//1910-1919
        0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970,//1920-1929
        0x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950,//1930-1939
        0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557,//1940-1949
        0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5b0, 0x14573, 0x052b0, 0x0a9a8, 0x0e950, 0x06aa0,//1950-1959
        0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0,//1960-1969
        0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b6a0, 0x195a6,//1970-1979
        0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570,//1980-1989
        0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0,//1990-1999
        0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5,//2000-2009
        0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930,//2010-2019
        0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530,//2020-2029
        0x05aa0, 0x076a3, 0x096d0, 0x04afb, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45,//2030-2039
        0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0,//2040-2049
        /**Add By JJonline@JJonline.Cn**/
        0x14b63, 0x09370, 0x049f8, 0x04970, 0x064b0, 0x168a6, 0x0ea50, 0x06b20, 0x1a6c4, 0x0aae0,//2050-2059
        0x0a2e0, 0x0d2e3, 0x0c960, 0x0d557, 0x0d4a0, 0x0da50, 0x05d55, 0x056a0, 0x0a6d0, 0x055d4,//2060-2069
        0x052d0, 0x0a9b8, 0x0a950, 0x0b4a0, 0x0b6a6, 0x0ad50, 0x055a0, 0x0aba4, 0x0a5b0, 0x052b0,//2070-2079
        0x0b273, 0x06930, 0x07337, 0x06aa0, 0x0ad50, 0x14b55, 0x04b60, 0x0a570, 0x054e4, 0x0d160,//2080-2089
        0x0e968, 0x0d520, 0x0daa0, 0x16aa6, 0x056d0, 0x04ae0, 0x0a9d4, 0x0a2d0, 0x0d150, 0x0f252,//2090-2099
        0x0d520],//2100
    /**
     * 公历每个月份的天数普通表
     * @Array Of Property
     * @return Number
     */
    solarMonth: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
    /**
     * 天干地支之天干速查表
     * @Array Of Property trans["甲","乙","丙","丁","戊","己","庚","辛","壬","癸"]
     * @return Cn string
     */
    Gan: ["\u7532", "\u4e59", "\u4e19", "\u4e01", "\u620a", "\u5df1", "\u5e9a", "\u8f9b", "\u58ec", "\u7678"],
    /**
     * 天干地支之地支速查表
     * @Array Of Property
     * @trans["子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"]
     * @return Cn string
     */
    Zhi: ["\u5b50", "\u4e11", "\u5bc5", "\u536f", "\u8fb0", "\u5df3", "\u5348", "\u672a", "\u7533", "\u9149", "\u620c", "\u4ea5"],
    /**
     * 天干地支之地支速查表<=>生肖
     * @Array Of Property
     * @trans["鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"]
     * @return Cn string
     */
    Animals: ["\u9f20", "\u725b", "\u864e", "\u5154", "\u9f99", "\u86c7", "\u9a6c", "\u7f8a", "\u7334", "\u9e21", "\u72d7", "\u732a"],
    /**
     * 24节气速查表
     * @Array Of Property
     * @trans["小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨","立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至"]
     * @return Cn string
     */
    solarTerm: ["\u5c0f\u5bd2", "\u5927\u5bd2", "\u7acb\u6625", "\u96e8\u6c34", "\u60ca\u86f0", "\u6625\u5206", "\u6e05\u660e", "\u8c37\u96e8", "\u7acb\u590f", "\u5c0f\u6ee1", "\u8292\u79cd", "\u590f\u81f3", "\u5c0f\u6691", "\u5927\u6691", "\u7acb\u79cb", "\u5904\u6691", "\u767d\u9732", "\u79cb\u5206", "\u5bd2\u9732", "\u971c\u964d", "\u7acb\u51ac", "\u5c0f\u96ea", "\u5927\u96ea", "\u51ac\u81f3"],
    /**
     * 1900-2100各年的24节气日期速查表
     * @Array Of Property
     * @return 0x string For splice
     */
    sTermInfo: ['9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f',
        '97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
        '97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa',
        '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f',
        'b027097bd097c36b0b6fc9274c91aa', '9778397bd19801ec9210c965cc920e', '97b6b97bd19801ec95f8c965cc920f',
        '97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2', '9778397bd197c36c9210c9274c91aa',
        '97b6b97bd19801ec95f8c965cc920e', '97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2',
        '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec95f8c965cc920e', '97bcf97c3598082c95f8e1cfcc920f',
        '97bd097bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e',
        '97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
        '97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722',
        '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f',
        '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
        '97bcf97c359801ec95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
        '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd097bd07f595b0b6fc920fb0722',
        '9778397bd097c36b0b6fc9210c8dc2', '9778397bd19801ec9210c9274c920e', '97b6b97bd19801ec95f8c965cc920f',
        '97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
        '97b6b97bd19801ec95f8c965cc920f', '97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
        '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bd07f1487f595b0b0bc920fb0722',
        '7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
        '97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
        '97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
        '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f531b0b0bb0b6fb0722',
        '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
        '97bcf7f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
        '97b6b97bd19801ec9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
        '9778397bd097c36b0b6fc9210c91aa', '97b6b97bd197c36c9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722',
        '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
        '97b6b7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
        '9778397bd097c36b0b70c9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
        '7f0e397bd097c35b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
        '7f0e27f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
        '97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
        '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
        '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
        '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
        '97b6b7f0e47f531b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
        '9778397bd097c36b0b6fc9210c91aa', '97b6b7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
        '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '977837f0e37f149b0723b0787b0721',
        '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c35b0b6fc9210c8dc2',
        '977837f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
        '7f0e397bd097c35b0b6fc9210c8dc2', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
        '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '977837f0e37f14998082b0787b06bd',
        '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
        '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
        '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
        '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd',
        '7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
        '977837f0e37f14998082b0723b06bd', '7f07e7f0e37f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
        '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b0721',
        '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f595b0b0bb0b6fb0722', '7f0e37f0e37f14898082b0723b02d5',
        '7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f531b0b0bb0b6fb0722',
        '7f0e37f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
        '7f0e37f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
        '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35',
        '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
        '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f149b0723b0787b0721',
        '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0723b06bd',
        '7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722', '7f0e37f0e366aa89801eb072297c35',
        '7ec967f0e37f14998082b0723b06bd', '7f07e7f0e37f14998083b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
        '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14898082b0723b02d5', '7f07e7f0e37f14998082b0787b0721',
        '7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66aa89801e9808297c35', '665f67f0e37f14898082b0723b02d5',
        '7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66a449801e9808297c35',
        '665f67f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
        '7f0e36665b66a449801e9808297c35', '665f67f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
        '7f07e7f0e47f531b0723b0b6fb0721', '7f0e26665b66a449801e9808297c35', '665f67f0e37f1489801eb072297c35',
        '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722'],
    /**
     * 数字转中文速查表
     * @Array Of Property
     * @trans ['日','一','二','三','四','五','六','七','八','九','十']
     * @return Cn string
     */
    nStr1: ["\u65e5", "\u4e00", "\u4e8c", "\u4e09", "\u56db", "\u4e94", "\u516d", "\u4e03", "\u516b", "\u4e5d", "\u5341"],
    /**
     * 日期转农历称呼速查表
     * @Array Of Property
     * @trans ['初','十','廿','卅']
     * @return Cn string
     */
    nStr2: ["\u521d", "\u5341", "\u5eff", "\u5345"],
    /**
     * 月份转农历称呼速查表
     * @Array Of Property
     * @trans ['正','一','二','三','四','五','六','七','八','九','十','冬','腊']
     * @return Cn string
     */
    nStr3: ["\u6b63", "\u4e8c", "\u4e09", "\u56db", "\u4e94", "\u516d", "\u4e03", "\u516b", "\u4e5d", "\u5341", "\u51ac", "\u814a"],
    /**
     * 返回农历y年一整年的总天数
     * @param lunar Year
     * @return Number
     * @eg:var count = calendar.lYearDays(1987) ;//count=387
     */
    lYearDays: function (y) {
        var i, sum = 348;
        for (i = 0x8000; i > 0x8; i >>= 1) {
            sum += (calendar.lunarInfo[y - 1900] & i) ? 1 : 0;
        }
        return (sum + calendar.leapDays(y));
    },
    /**
     * 返回农历y年闰月是哪个月；若y年没有闰月 则返回0
     * @param lunar Year
     * @return Number (0-12)
     * @eg:var leapMonth = calendar.leapMonth(1987) ;//leapMonth=6
     */
    leapMonth: function (y) { //闰字编码 \u95f0
        return (calendar.lunarInfo[y - 1900] & 0xf);
    },
    /**
     * 返回农历y年闰月的天数 若该年没有闰月则返回0
     * @param lunar Year
     * @return Number (0、29、30)
     * @eg:var leapMonthDay = calendar.leapDays(1987) ;//leapMonthDay=29
     */
    leapDays: function (y) {
        if (calendar.leapMonth(y)) {
            return ((calendar.lunarInfo[y - 1900] & 0x10000) ? 30 : 29);
        }
        return (0);
    },
    /**
     * 返回农历y年m月（非闰月）的总天数，计算m为闰月时的天数请使用leapDays方法
     * @param lunar Year
     * @return Number (-1、29、30)
     * @eg:var MonthDay = calendar.monthDays(1987,9) ;//MonthDay=29
     */
    monthDays: function (y, m) {
        if (m > 12 || m < 1) {
            return -1
        }//月份参数从1至12，参数错误返回-1
        return ((calendar.lunarInfo[y - 1900] & (0x10000 >> m)) ? 30 : 29);
    },
    /**
     * 返回公历(!)y年m月的天数
     * @param solar Year
     * @return Number (-1、28、29、30、31)
     * @eg:var solarMonthDay = calendar.leapDays(1987) ;//solarMonthDay=30
     */
    solarDays: function (y, m) {
        if (m > 12 || m < 1) {
            return -1
        } //若参数错误 返回-1
        var ms = m - 1;
        if (ms == 1) { //2月份的闰平规律测算后确认返回28或29
            return (((y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0)) ? 29 : 28);
        } else {
            return (calendar.solarMonth[ms]);
        }
    },
    /**
     * 农历年份转换为干支纪年
     * @param lYear 农历年的年份数
     * @return Cn string
     */
    toGanZhiYear: function (lYear) {
        var ganKey = (lYear - 3) % 10;
        var zhiKey = (lYear - 3) % 12;
        if (ganKey == 0) ganKey = 10;//如果余数为0则为最后一个天干
        if (zhiKey == 0) zhiKey = 12;//如果余数为0则为最后一个地支
        return calendar.Gan[ganKey - 1] + calendar.Zhi[zhiKey - 1];
    },
    /**
     * 公历月、日判断所属星座
     * @param cMonth [description]
     * @param cDay [description]
     * @return Cn string
     */
    toAstro: function (cMonth, cDay) {
        var s = "\u9b54\u7faf\u6c34\u74f6\u53cc\u9c7c\u767d\u7f8a\u91d1\u725b\u53cc\u5b50\u5de8\u87f9\u72ee\u5b50\u5904\u5973\u5929\u79e4\u5929\u874e\u5c04\u624b\u9b54\u7faf";
        var arr = [20, 19, 21, 21, 21, 22, 23, 23, 23, 23, 22, 22];
        return s.substr(cMonth * 2 - (cDay < arr[cMonth - 1] ? 2 : 0), 2) + "\u5ea7";//座
    },
    /**
     * 传入offset偏移量返回干支
     * @param offset 相对甲子的偏移量
     * @return Cn string
     */
    toGanZhi: function (offset) {
        return calendar.Gan[offset % 10] + calendar.Zhi[offset % 12];
    },
    /**
     * 传入公历(!)y年获得该年第n个节气的公历日期
     * @param y公历年(1900-2100)；n二十四节气中的第几个节气(1~24)；从n=1(小寒)算起
     * @return day Number
     * @eg:var _24 = calendar.getTerm(1987,3) ;//_24=4;意即1987年2月4日立春
     */
    getTerm: function (y, n) {
        if (y < 1900 || y > 2100) {
            return -1;
        }
        if (n < 1 || n > 24) {
            return -1;
        }
        var _table = calendar.sTermInfo[y - 1900];
        var _info = [
            parseInt('0x' + _table.substr(0, 5)).toString(),
            parseInt('0x' + _table.substr(5, 5)).toString(),
            parseInt('0x' + _table.substr(10, 5)).toString(),
            parseInt('0x' + _table.substr(15, 5)).toString(),
            parseInt('0x' + _table.substr(20, 5)).toString(),
            parseInt('0x' + _table.substr(25, 5)).toString()
        ];
        var _calday = [
            _info[0].substr(0, 1),
            _info[0].substr(1, 2),
            _info[0].substr(3, 1),
            _info[0].substr(4, 2),
            _info[1].substr(0, 1),
            _info[1].substr(1, 2),
            _info[1].substr(3, 1),
            _info[1].substr(4, 2),
            _info[2].substr(0, 1),
            _info[2].substr(1, 2),
            _info[2].substr(3, 1),
            _info[2].substr(4, 2),
            _info[3].substr(0, 1),
            _info[3].substr(1, 2),
            _info[3].substr(3, 1),
            _info[3].substr(4, 2),
            _info[4].substr(0, 1),
            _info[4].substr(1, 2),
            _info[4].substr(3, 1),
            _info[4].substr(4, 2),
            _info[5].substr(0, 1),
            _info[5].substr(1, 2),
            _info[5].substr(3, 1),
            _info[5].substr(4, 2),
        ];
        return parseInt(_calday[n - 1]);
    },
    /**
     * 传入农历数字月份返回汉语通俗表示法
     * @param lunar month
     * @return Cn string
     * @eg:var cnMonth = calendar.toChinaMonth(12) ;//cnMonth='腊月'
     */
    toChinaMonth: function (m) { // 月 => \u6708
        if (m > 12 || m < 1) {
            return -1
        } //若参数错误 返回-1
        var s = calendar.nStr3[m - 1];
        s += "\u6708";//加上月字
        return s;
    },
    /**
     * 传入农历日期数字返回汉字表示法
     * @param lunar day
     * @return Cn string
     * @eg:var cnDay = calendar.toChinaDay(21) ;//cnMonth='廿一'
     */
    toChinaDay: function (d) { //日 => \u65e5
        var s;
        switch (d) {
            case 10:
                s = '\u521d\u5341';
                break;
            case 20:
                s = '\u4e8c\u5341';
                break;
                break;
            case 30:
                s = '\u4e09\u5341';
                break;
                break;
            default :
                s = calendar.nStr2[Math.floor(d / 10)];
                s += calendar.nStr1[d % 10];
        }
        return (s);
    },
    /**
     * 年份转生肖[!仅能大致转换] => 精确划分生肖分界线是“立春”
     * @param y year
     * @return Cn string
     * @eg:var animal = calendar.getAnimal(1987) ;//animal='兔'
     */
    getAnimal: function (y) {
        return calendar.Animals[(y - 4) % 12]
    },
    /**
     * 传入阳历年月日获得详细的公历、农历object信息 <=>JSON
     * @param y solar year
     * @param m solar month
     * @param d solar day
     * @return JSON object
     * @eg:console.log(calendar.solar2lunar(1987,11,01));
     */
    solar2lunar: function (y, m, d) { //参数区间1900.1.31~2100.12.31
        if (y < 1900 || y > 2100) {
            return -1;
        }//年份限定、上限
        if (y == 1900 && m == 1 && d < 31) {
            return -1;
        }//下限
        if (!y) { //未传参 获得当天
            var objDate = new Date();
        } else {
            var objDate = new Date(y, parseInt(m) - 1, d)
        }
        var i, leap = 0, temp = 0;
        //修正ymd参数
        var y = objDate.getFullYear(), m = objDate.getMonth() + 1, d = objDate.getDate();
        var offset = (Date.UTC(objDate.getFullYear(), objDate.getMonth(), objDate.getDate()) - Date.UTC(1900, 0, 31)) / 86400000;
        for (i = 1900; i < 2101 && offset > 0; i++) {
            temp = calendar.lYearDays(i);
            offset -= temp;
        }
        if (offset < 0) {
            offset += temp;
            i--;
        }
        //是否今天
        var isTodayObj = new Date(), isToday = false;
        if (isTodayObj.getFullYear() == y && isTodayObj.getMonth() + 1 == m && isTodayObj.getDate() == d) {
            isToday = true;
        }
        //星期几
        var nWeek = objDate.getDay(), cWeek = calendar.nStr1[nWeek];
        if (nWeek == 0) {
            nWeek = 7;
        }//数字表示周几顺应天朝周一开始的惯例
        //农历年
        var year = i;
        var leap = calendar.leapMonth(i); //闰哪个月
        var isLeap = false;
        //效验闰月
        for (i = 1; i < 13 && offset > 0; i++) {
            //闰月
            if (leap > 0 && i == (leap + 1) && isLeap == false) {
                --i;
                isLeap = true;
                temp = calendar.leapDays(year); //计算农历闰月天数
            } else {
                temp = calendar.monthDays(year, i);//计算农历普通月天数
            }
            //解除闰月
            if (isLeap == true && i == (leap + 1)) {
                isLeap = false;
            }
            offset -= temp;
        }
        if (offset == 0 && leap > 0 && i == leap + 1)
            if (isLeap) {
                isLeap = false;
            } else {
                isLeap = true;
                --i;
            }
        if (offset < 0) {
            offset += temp;
            --i;
        }
        //农历月
        var month = i;
        //农历日
        var day = offset + 1;
        //天干地支处理
        var sm = m - 1;
        var gzY = calendar.toGanZhiYear(year);
        //月柱 1900年1月小寒以前为 丙子月(60进制12)
        var firstNode = calendar.getTerm(year, (m * 2 - 1));//返回当月「节」为几日开始
        var secondNode = calendar.getTerm(year, (m * 2));//返回当月「节」为几日开始
        //依据12节气修正干支月
        var gzM = calendar.toGanZhi((y - 1900) * 12 + m + 11);
        if (d >= firstNode) {
            gzM = calendar.toGanZhi((y - 1900) * 12 + m + 12);
        }
        //传入的日期的节气与否
        var isTerm = false;
        var Term = null;
        if (firstNode == d) {
            isTerm = true;
            Term = calendar.solarTerm[m * 2 - 2];
        }
        if (secondNode == d) {
            isTerm = true;
            Term = calendar.solarTerm[m * 2 - 1];
        }
        //日柱 当月一日与 1900/1/1 相差天数
        var dayCyclical = Date.UTC(y, sm, 1, 0, 0, 0, 0) / 86400000 + 25567 + 10;
        var gzD = calendar.toGanZhi(dayCyclical + d - 1);
        //该日期所属的星座
        var astro = calendar.toAstro(m, d);
        return {
            'lYear': year,
            'lMonth': month,
            'lDay': day,
            'Animal': calendar.getAnimal(year),
            'IMonthCn': (isLeap ? "\u95f0" : '') + calendar.toChinaMonth(month),
            'IDayCn': calendar.toChinaDay(day),
            'cYear': y,
            'cMonth': m,
            'cDay': d,
            'gzYear': gzY,
            'gzMonth': gzM,
            'gzDay': gzD,
            'isToday': isToday,
            'isLeap': isLeap,
            'nWeek': nWeek,
            'ncWeek': "\u661f\u671f" + cWeek,
            'isTerm': isTerm,
            'Term': Term,
            'astro': astro
        };
    },
    /**
     * 传入农历年月日以及传入的月份是否闰月获得详细的公历、农历object信息 <=>JSON
     * @param y lunar year
     * @param m lunar month
     * @param d lunar day
     * @param isLeapMonth lunar month is leap or not.[如果是农历闰月第四个参数赋值true即可]
     * @return JSON object
     * @eg:console.log(calendar.lunar2solar(1987,9,10));
     */
    lunar2solar: function (y, m, d, isLeapMonth) {  //参数区间1900.1.31~2100.12.1
        var isLeapMonth = !!isLeapMonth;
        var leapOffset = 0;
        var leapMonth = calendar.leapMonth(y);
        var leapDay = calendar.leapDays(y);
        if (isLeapMonth && (leapMonth != m)) {
            return -1;
        }//传参要求计算该闰月公历 但该年得出的闰月与传参的月份并不同
        if (y == 2100 && m == 12 && d > 1 || y == 1900 && m == 1 && d < 31) {
            return -1;
        }//超出了最大极限值
        var day = calendar.monthDays(y, m);
        var _day = day;
        //bugFix 2016-9-25
        //if month is leap, _day use leapDays method
        if (isLeapMonth) {
            _day = calendar.leapDays(y, m);
        }
        if (y < 1900 || y > 2100 || d > _day) {
            return -1;
        }//参数合法性效验
        //计算农历的时间差
        var offset = 0;
        for (var i = 1900; i < y; i++) {
            offset += calendar.lYearDays(i);
        }
        var leap = 0, isAdd = false;
        for (var i = 1; i < m; i++) {
            leap = calendar.leapMonth(y);
            if (!isAdd) {//处理闰月
                if (leap <= i && leap > 0) {
                    offset += calendar.leapDays(y);
                    isAdd = true;
                }
            }
            offset += calendar.monthDays(y, i);
        }
        //转换闰月农历 需补充该年闰月的前一个月的时差
        if (isLeapMonth) {
            offset += day;
        }
        //1900年农历正月一日的公历时间为1900年1月30日0时0分0秒(该时间也是本农历的最开始起始点)
        var stmap = Date.UTC(1900, 1, 30, 0, 0, 0);
        var calObj = new Date((offset + d - 31) * 86400000 + stmap);
        var cY = calObj.getUTCFullYear();
        var cM = calObj.getUTCMonth() + 1;
        var cD = calObj.getUTCDate();
        return calendar.solar2lunar(cY, cM, cD);
    }
};

module.exports = {calendar};