JS中1900-2100區間內的公曆、農曆互轉的工具類

Anbang713發表於2018-10-12

說明:

(1)由於博主是在Extjs專案中使用該工具類,所以這裡我們用Extjs,但是本質上就是js。

(2)該工具類是實際專案中一直在用的,至於實際出處是哪不得而知,博主只是針對自己的整理然後覺得日後可能用得上所以在這裡做個備份。

/**
 * @1900-2100區間內的公曆、農曆互轉
 * @公曆轉農曆:me.solar2lunar(1987,11,01); //[you can ignore params of prefix 0]
 * @農曆轉公曆:me.lunar2solar(1987,09,10); //[you can ignore params of prefix 0]
 *
 */
Ext.define('Cxt.util.Calendar', function () {
    var me; // holds our singleton instance

    return {
        singleton: true,

        constructor: function () {
            me = this; // we are a singleton, so cache our this pointer in scope
        },

        /**
         * 農曆1900-2100的潤大小資訊表
         * @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

        /**
         * 公曆每個月份的天數普通表
         * @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","醜","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","龍","蛇","馬","羊","猴","雞","狗","豬"]
         * @return Cn string
         */
        Animals: ["\u9f20", "\u725b", "\u864e", "\u5154", "\u9f99", "\u86c7", "\u9a6c", "\u7f8a", "\u7334", "\u9e21", "\u72d7", "\u732a"],

        /**
         * 24節氣速查表
         * @Array Of Property
         * @trans["小寒","大寒","立春","雨水","驚蟄","春分","清明","穀雨","立夏","小滿","芒種","夏至","小暑","大暑","立秋","處暑","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節氣日期速查表
         * @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'],

        /**
         * 數字轉中文速查表
         * @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"],

        /**
         * 日期轉農曆稱呼速查表
         * @Array Of Property
         * @trans ['初','十','廿','卅']
         * @return Cn string
         */
        nStr2: ["\u521d", "\u5341", "\u5eff", "\u5345"],

        /**
         * 月份轉農曆稱呼速查表
         * @Array Of Property
         * @trans ['正','一','二','三','四','五','六','七','八','九','十','冬','臘']
         * @return Cn string
         */
        nStr3: ["\u6b63", "\u4e8c", "\u4e09", "\u56db", "\u4e94", "\u516d", "\u4e03", "\u516b", "\u4e5d", "\u5341", "\u51ac", "\u814a"],

        /**
         * 返回農曆y年一整年的總天數
         * @param y lunar Year
         * @return Number
         * @eg:var count = me.lYearDays(1987) ;//count=387
         */
        lYearDays: function (y) {
            var i, sum = 348;
            for (i = 0x8000; i > 0x8; i >>= 1) {
                sum += (me.lunarInfo[y - 1900] & i) ? 1 : 0;
            }
            return (sum + me.leapDays(y));
        },

        /**
         * 返回農曆y年閏月是哪個月;若y年沒有閏月 則返回0
         * @param y
         *          lunar Year
         * @return Number (0-12)
         * @eg:var leapMonth = me.leapMonth(1987) ;//leapMonth=6
         */
        leapMonth: function (y) { //閏字編碼 \u95f0
            return (me.lunarInfo[y - 1900] & 0xf);
        },

        /**
         * 返回農曆y年閏月的天數 若該年沒有閏月則返回0
         * @param y
         *          lunar Year
         * @return Number (0、29、30)
         * @eg:var leapMonthDay = me.leapDays(1987) ;//leapMonthDay=29
         */
        leapDays: function (y) {
            if (me.leapMonth(y)) {
                return ((me.lunarInfo[y - 1900] & 0x10000) ? 30 : 29);
            }
            return (0);
        },

        /**
         * 返回農曆y年m月(非閏月)的總天數,計算m為閏月時的天數請使用leapDays方法
         * @param y
         *          lunar Year
         * @param m
         *          lunar Month
         * @return Number (-1、29、30)
         * @eg:var MonthDay = me.monthDays(1987,9) ;//MonthDay=29
         */
        monthDays: function (y, m) {
            if (m > 12 || m < 1) {
                return -1
            }//月份引數從1至12,引數錯誤返回-1
            return ( (me.lunarInfo[y - 1900] & (0x10000 >> m)) ? 30 : 29 );
        },

        /**
         * 返回公曆(!)y年m月的天數
         * @param y
         * @param m
         * @return Number (-1、28、29、30、31)
         * @eg:var solarMonthDay = me.leapDays(1987) ;//solarMonthDay=30
         */
        solarDays: function (y, m) {
            if (m > 12 || m < 1) {
                return -1
            } //若引數錯誤 返回-1
            var ms = m - 1;
            if (ms == 1) { //2月份的閏平規律測算後確認返回28或29
                return (((y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0)) ? 29 : 28);
            } else {
                return (me.solarMonth[ms]);
            }
        },

        /**
         * 農曆年份轉換為干支紀年
         * @param  lYear 農曆年的年份數
         * @return Cn string
         */
        toGanZhiYear: function (lYear) {
            var ganKey = (lYear - 3) % 10;
            var zhiKey = (lYear - 3) % 12;
            if (ganKey == 0) ganKey = 10;//如果餘數為0則為最後一個天干
            if (zhiKey == 0) zhiKey = 12;//如果餘數為0則為最後一個地支
            return me.Gan[ganKey - 1] + me.Zhi[zhiKey - 1];

        },

        /**
         * 公曆月、日判斷所屬星座
         * @param  cMonth [description]
         * @param  cDay [description]
         * @return Cn string
         */
        toConstellation: 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
        },

        /**
         * 傳入offset偏移量返回干支
         * @param offset 相對甲子的偏移量
         * @return Cn string
         */
        toGanZhi: function (offset) {
            return me.Gan[offset % 10] + me.Zhi[offset % 12];
        },

        /**
         * 傳入公曆(!)y年獲得該年第n個節氣的公曆日期
         * @param y 公曆年(1900-2100);n二十四節氣中的第幾個節氣(1~24);從n=1(小寒)算起
         * @param n
         * @return number
         *          day Number
         * @eg:var _24 = me.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 = me.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]);
        },

        /**
         * 傳入農曆數字月份返回漢語通俗表示法
         * @param lunar month
         * @return Cn string
         * @eg:var cnMonth = me.toChinaMonth(12) ;//cnMonth='臘月'
         */
        toChinaMonth: function (m) { // 月 => \u6708
            if (m > 12 || m < 1) {
                return -1
            } //若引數錯誤 返回-1
            var s = me.nStr3[m - 1];
            s += "\u6708";//加上月字
            return s;
        },

        /**
         * 傳入農曆日期數字返回漢字表示法
         * @param lunar day
         * @return Cn string
         * @eg:var cnDay = me.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 = me.nStr2[Math.floor(d / 10)];
                    s += me.nStr1[d % 10];
            }
            return (s);
        },

        /**
         * 年份轉生肖[!僅能大致轉換] => 精確劃分生肖分界線是“立春”
         * @param y year
         * @return Cn string
         * @eg:v
         *
         * ar animal = me.getAnimal(1987) ;//animal='兔'
         */
        getAnimal: function (y) {
            return me.Animals[(y - 4) % 12]
        },

        fromDate: function (date) {
            var i, leap, temp = 0, year;
            //未傳參  獲得當天
            date = Ext.valueFrom(date, new Date());

            //修正ymd引數
            var y = date.getFullYear(),
                m = date.getMonth() + 1,
                d = date.getDate();

            var offset = (Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()) - Date.UTC(1900, 0, 31)) / 86400000;
            for (i = 1900; i < 2101 && offset > 0; i++) {
                temp = me.lYearDays(i);
                offset -= temp;
            }
            if (offset < 0) {
                offset += temp;
                i--;
            }

            //星期幾
            var dayOfWeek = date.getDay(),
                weekFormat = me.nStr1[dayOfWeek];
            //數字表示周幾順應天朝週一開始的慣例
            if (dayOfWeek == 0) {
                dayOfWeek = 7;
            }
            //農曆年
            year = i;
            leap = me.leapMonth(i); //閏哪個月
            var isLeap = false;

            //效驗閏月
            for (i = 1; i < 13 && offset > 0; i++) {
                //閏月
                if (leap > 0 && i == (leap + 1) && isLeap == false) {
                    --i;
                    isLeap = true;
                    temp = me.leapDays(year); //計算農曆閏月天數
                }
                else {
                    temp = me.monthDays(year, i);//計算農曆普通月天數
                }
                //解除閏月
                if (isLeap == true && i == (leap + 1)) {
                    isLeap = false;
                }
                offset -= temp;
            }
            // 閏月導致陣列下標重疊取反
            if (offset == 0 && leap > 0 && i == leap + 1) {
                if (isLeap) {
                    isLeap = false;
                } else {
                    isLeap = true;
                    --i;
                }
            }
            if (offset < 0) {
                offset += temp;
                --i;
            }
            //農曆月
            var month = i;
            //農曆日
            var day = offset + 1;
            //天干地支處理
            var sm = m - 1;
            var gzY = me.toGanZhiYear(year);

            // 當月的兩個節氣
            // bugfix-2017-7-24 11:03:38 use lunar Year Param `y` Not `year`
            var firstNode = me.getTerm(y, (m * 2 - 1));//返回當月「節」為幾日開始
            var secondNode = me.getTerm(y, (m * 2));//返回當月「節」為幾日開始

            // 依據12節氣修正干支月
            var gzM = me.toGanZhi((y - 1900) * 12 + m + 11);
            if (d >= firstNode) {
                gzM = me.toGanZhi((y - 1900) * 12 + m + 12);
            }

            //傳入的日期的節氣
            var term = null;
            if (firstNode == d) {
                term = me.solarTerm[m * 2 - 2];
            }
            if (secondNode == d) {
                term = me.solarTerm[m * 2 - 1];
            }
            //日柱 當月一日與 1900/1/1 相差天數
            var dayCyclical = Date.UTC(y, sm, 1, 0, 0, 0, 0) / 86400000 + 25567 + 10;
            var gzD = me.toGanZhi(dayCyclical + d - 1);

            var calendar = {
                // 陽曆
                solar: {
                    year: y,
                    month: m,   // 從1開始
                    day: d      // 從1開始
                },
                // 農曆
                lunar: {
                    year: year,
                    month: month,
                    day: day,       // 從1開始
                    isLeap: isLeap, // 是否閏月
                    chinaMonth: (isLeap ? "\u95f0" : '') + me.toChinaMonth(month), // 農曆月的漢子表示,如:一月、臘月
                    chinaDay: me.toChinaDay(day) // 農曆日期漢字表示,如:廿四
                },
                // 地支
                gz: {
                    year: gzY,
                    month: gzM,
                    day: gzD
                },
                'dayOfWeek': dayOfWeek,
                'weekFormat': "\u661f\u671f" + weekFormat,
                'term': term,   // 節氣
                'animal': me.getAnimal(year), // 對應生肖
                'constellation': me.toConstellation(m, d)  // 星座
            };

            me.calcHoliday(calendar);
            return calendar;
        },

        /**
         * 傳入陽曆年月日獲得詳細的公曆、農曆object資訊 <=>JSON
         * @param y  solar year
         * @param m  solar month
         * @param d  solar day,從1開始
         * @return {Object} 農曆資訊
         * @eg:console.log(me.solar2lunar(1987,11,01));
         */
        fromSolar: function (y, m, d) { //引數區間1900.1.31~2100.12.31
            //年份限定、上限
            if (y < 1900 || y > 2100) {
                return;// undefined轉換為數字變為NaN
            }
            //公曆傳參最下限
            if (y == 1900 && m == 1 && d < 31) {
                return;
            }

            return me.fromDate(new Date(y, m, d));
        },

        /**
         * 傳入農曆年月日以及傳入的月份是否閏月獲得詳細的公曆、農曆object資訊 <=>JSON
         * @param y  lunar year
         * @param m  lunar month
         * @param d  lunar day
         * @param isLeapMonth  lunar month is leap or not.[如果是農曆閏月第四個引數賦值true即可]
         * @eg:console.log(me.lunar2solar(1987,9,10));
         */
        fromLunar: function (y, m, d, isLeapMonth) {   //引數區間1900.1.31~2100.12.1
            isLeapMonth = !!isLeapMonth;
            var leapMonth = me.leapMonth(y);
            if (isLeapMonth && (leapMonth != m)) {
                return;
            }//傳參要求計算該閏月公曆 但該年得出的閏月與傳參的月份並不同
            if (y == 2100 && m == 12 && d > 1 || y == 1900 && m == 1 && d < 31) {
                return;
            }//超出了最大極限值
            var day = me.monthDays(y, m);
            var _day = day;
            //bugFix 2016-9-25
            //if month is leap, _day use leapDays method
            if (isLeapMonth) {
                _day = me.leapDays(y, m);
            }
            if (y < 1900 || y > 2100 || d > _day) {
                return -1;
            }//引數合法性效驗

            //計算農曆的時間差
            var offset = 0;
            for (var i = 1900; i < y; i++) {
                offset += me.lYearDays(i);
            }
            var leap = 0, isAdd = false;
            for (var i = 1; i < m; i++) {
                leap = me.leapMonth(y);
                if (!isAdd) {//處理閏月
                    if (leap <= i && leap > 0) {
                        offset += me.leapDays(y);
                        isAdd = true;
                    }
                }
                offset += me.monthDays(y, i);
            }
            //轉換閏月農曆 需補充該年閏月的前一個月的時差
            if (isLeapMonth) {
                offset += day;
            }
            //1900年農曆正月一日的公曆時間為1900年1月30日0時0分0秒(該時間也是本農曆的最開始起始點)
            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 me.solar2lunar(cY, cM, cD);
        },

        calcHoliday: function (calendar) {
            if (!calendar)
                return;

            var holiday,
                lunarHolidays = [
                    {month: 1, day: 1, holiday: '春節'},
                    {month: 1, day: 15, holiday: '元宵節'},
                    {month: 5, day: 5, holiday: '端午節'},
                    {month: 7, day: 7, holiday: '七夕節'},
                    {month: 8, day: 15, holiday: '中秋節'},
                    {month: 9, day: 9, holiday: '重陽節'},
                    {month: 12, day: 8, holiday: '臘八節'}
                ],
                solarHolidays = [
                    {month: 1, day: 1, holiday: '元旦'},
                    {month: 2, day: 14, holiday: '情人節'},
                    {month: 3, day: 8, holiday: '婦女節'},
                    {month: 3, day: 12, holiday: '植樹節'},
                    {month: 4, day: 1, holiday: '愚人節'},
                    {month: 5, day: 1, holiday: '勞動節'},
                    {month: 8, day: 1, holiday: '建軍節'},
                    {month: 9, day: 10, holiday: '教師節'},
                    {month: 10, day: 1, holiday: '國慶節'},
                    {month: 11, day: 11, holiday: '光棍節'},
                    {month: 12, day: 25, holiday: '聖誕節'}
                ];

            holiday = Ext.Array.findBy(lunarHolidays, function (holiday) {
                return !calendar.lunar.isLeap && holiday.month == calendar.lunar.month && holiday.day == calendar.lunar.day;
            });
            if (holiday) {
                calendar.holiday = holiday.holiday;
            } else {
                // 除夕??
            }

            if (calendar.holiday)
                return;

            holiday = Ext.Array.findBy(solarHolidays, function (holiday) {
                return holiday.month == calendar.solar.month && holiday.day == calendar.solar.day;
            });
            if (holiday) {
                calendar.holiday = holiday.holiday;
            } else {
                if (calendar.solar.month == 5 && calendar.dayOfWeek == 7
                    && calendar.solar.day > 7 && calendar.solar.day <= 14) {
                    calendar.holiday = '母親節';// 5月第二個星期日
                }
                if (calendar.solar.month == 6 && calendar.dayOfWeek == 7
                    && calendar.solar.day > 14 && calendar.solar.day <= 21) {
                    calendar.holiday = '父親節';// 6月第三個星期日
                }
                if (calendar.solar.month == 10 && calendar.dayOfWeek == 1
                    && calendar.solar.day > 7 && calendar.solar.day <= 14) {
                    calendar.holiday = '感恩節';// 10月第二個星期一
                }
            }
        }
    }
});

 

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