公历、农历互转js

/**

* @1900-2100区间内的公历、农历互转

* @charset UTF-8

* @Author  jiangjiazhi

* @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]

*/




/**

* 农历1900-2100的润大小信息表

* @Array Of Property

* @return Hex

*/


var 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, 0x05ac0, 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


    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




  var 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

  */


  var 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

  */


  var 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

  */


  var 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

  */


  var 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

  */


  var 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

   */


  var 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

  */


  var 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

  */


  var 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

  */


  function lYearDays (y) {

    var i


    var sum = 348


    for (i = 0x8000; i > 0x8; i >>= 1) { sum += (lunarInfo[y - 1900] & i) ? 1 : 0 }


    return (sum + 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

  */


  function leapMonth (y) { // 闰字编码 \u95f0


    return (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

  */


  function leapDays (y) {

    if (leapMonth(y)) {

      return ((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

  */


  function monthDays (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 ((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

  */


  function solarDays (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 (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

  */


  function toGanZhiYear (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 Gan[ganKey - 1] + Zhi[zhiKey - 1]


  }




  /**

  * 公历月、日判断所属星座

  * @param  cMonth [description]

  * @param  cDay [description]

  * @return Cn string

  */


  function toAstro (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

  */


  function toGanZhi (offset) {

    return Gan[offset % 10] + 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

  */


  function getTerm (y, n) {

    if (y < 1900 || y > 2100) { return -1 }


    if (n < 1 || n > 24) { return -1 }


    var _table = 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'

  */


  function toChinaMonth (m) { // 月 => \u6708


    if (m > 12 || m < 1) { return -1 } // 若参数错误 返回-1


    var s = 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'

  */


  function toChinaDay (d) { // 日 => \u65e5


    var s


    switch (d) {

      case 10:


        s = '\u521d\u5341'


        break


      case 20:


        s = '\u4e8c\u5341'


        break


      case 30:


        s = '\u4e09\u5341'


        break


      default :


        s = nStr2[Math.floor(d / 10)]


        s += 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'

  */


  function getAnimal (y) {

    return 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));

  */


  function solar2lunar (y, m, d) { // 参数区间1900.1.31~2100.12.31


    // 年份限定、上限


    if (y < 1900 || y > 2100) {

      return -1 // undefined转换为数字变为NaN


    }


    // 公历传参最下限


    if (y === 1900 && m === 1 && d < 31) {

      return -1


    }


    // 未传参  获得当天


    var objDate = null


    if (!y) {

      objDate = new Date()


    } else {

      objDate = new Date(y, parseInt(m) - 1, d)


    }


    var i


    var leap = 0


    var temp = 0


    // 修正ymd参数


    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 = lYearDays(i)


      offset -= temp


    }


    if (offset < 0) {

      offset += temp; i--


    }




    // 是否今天


    var isTodayObj = new Date()


    var isToday = false


    if (isTodayObj.getFullYear() === y && isTodayObj.getMonth() + 1 === m && isTodayObj.getDate() === d) {

      isToday = true


    }


    // 星期几


    var nWeek = objDate.getDay()


    var cWeek = nStr1[nWeek]


    // 数字表示周几顺应天朝周一开始的惯例


    if (nWeek === 0) {

      nWeek = 7


    }


    // 农历年


    var year = i


    leap = 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 = leapDays(year) // 计算农历闰月天数


      } else {

        temp = 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


    }


    // 闰月导致数组下标重叠取反


    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 = toGanZhiYear(year)




    // 当月的两个节气


    // bugfix-2017-7-24 11:03:38 use lunar Year Param `y` Not `year`


    var firstNode = getTerm(y, (m * 2 - 1)) // 返回当月「节」为几日开始


    var secondNode = getTerm(y, (m * 2)) // 返回当月「节」为几日开始




    // 依据12节气修正干支月


    var gzM = toGanZhi((y - 1900) * 12 + m + 11)


    if (d >= firstNode) {

      gzM = 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 = solarTerm[m * 2 - 2]


    }


    if (secondNode === d) {

      isTerm = true


      Term = 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 = toGanZhi(dayCyclical + d - 1)


    // 该日期所属的星座


    var astro = toAstro(m, d)


    return {'lYear': year, 'lMonth': month, 'lDay': day, 'Animal': getAnimal(year), 'IMonthCn': (isLeap ? '\u95f0' : '') + toChinaMonth(month), 'IDayCn': 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}


  }





    var calendarFormatter = {

      // 传入阳历年月日获得详细的公历、农历object信息 <=>JSON


      solar2lunar:function(y, m, d){ // 参数区间1900.1.31~2100.12.31


        return solar2lunar(y, m, d)


      },


      /**

      * 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


        isLeapMonth = !!isLeapMonth


        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 = monthDays(y, m)


        var _day = day


        // bugFix 2016-9-25


        // if month is leap, _day use leapDays method


        if (isLeapMonth) {

          _day = 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 += lYearDays(i)


        }


        var leap = 0


        var isAdd = false


        for (i = 1; i < m; i++) {

          leap = leapMonth(y)


          if (!isAdd) { // 处理闰月


            if (leap <= i && leap > 0) {

              offset += leapDays(y); isAdd = true


            }


          }


          offset += 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 solar2lunar(cY, cM, cD)


      }


    }


  export default calendarFormatter

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