JavaScript实现1900-2100区间内的公历、农历互转

/** * @1900-2100区间内的公历、农历互转 * @charset  UTF-8 * @Author  chenjinxin([e-mail])  * @Time  2014-7-21 * @Version  $ID$ * @公历转农历：calendarChange.solar2lunar(1987,11,01); //[you can ignore params of prefix 0] * @农历转公历：calendarChange.lunar2solar(1987,09,10); //[you can ignore params of prefix 0] */var calendarChange = {/** * 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,//1900-19090x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0,0x0ada2, 0x095b0, 0x14977,//1910-19190x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60,0x09570, 0x052f2, 0x04970,//1920-19290x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3,0x092e0, 0x1c8d7, 0x0c950,//1930-19390x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0,0x0d2b2, 0x0a950, 0x0b557,//1940-19490x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5b0, 0x14573, 0x052b0,0x0a9a8, 0x0e950, 0x06aa0,//1950-19590x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263,0x0d950, 0x05b57, 0x056a0,//1960-19690x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558,0x0b540, 0x0b6a0, 0x195a6,//1970-19790x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40,0x0af46, 0x0ab60, 0x09570,//1980-19890x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0,0x0ab60, 0x096d5, 0x092e0,//1990-19990x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7,0x025d0, 0x092d0, 0x0cab5,//2000-20090x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0,0x15176, 0x052b0, 0x0a930,//2010-20190x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0,0x0d260, 0x0ea65, 0x0d530,//2020-20290x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6,0x0d250, 0x0d520, 0x0dd45,//2030-20390x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50,0x1b255, 0x06d20, 0x0ada0,//2040-2049/**Add By [e-mail]**/0x14b63, 0x09370, 0x049f8, 0x04970, 0x064b0, 0x168a6, 0x0ea50,0x06b20, 0x1a6c4, 0x0aae0,//2050-20590x0a2e0, 0x0d2e3, 0x0c960, 0x0d557, 0x0d4a0, 0x0da50, 0x05d55,0x056a0, 0x0a6d0, 0x055d4,//2060-20690x052d0, 0x0a9b8, 0x0a950, 0x0b4a0, 0x0b6a6, 0x0ad50, 0x055a0,0x0aba4, 0x0a5b0, 0x052b0,//2070-20790x0b273, 0x06930, 0x07337, 0x06aa0, 0x0ad50, 0x14b55, 0x04b60,0x0a570, 0x054e4, 0x0d160,//2080-20890x0e968, 0x0d520, 0x0daa0, 0x16aa6, 0x056d0, 0x04ae0, 0x0a9d4,0x0a2d0, 0x0d150, 0x0f252,//2090-20990x0d520 ],//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 : [ 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],/** * 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 = calendarChange.lYearDays(1987) ;//count=387 */lYearDays : function(y) {var i, sum = 348;for (i = 0x8000; i > 0x8; i >>= 1) {sum += (calendarChange.lunarInfo[y - 1900] & i) ? 1 : 0;}return (sum + calendarChange.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 = calendarChange.leapMonth(1987) ;//leapMonth=6 */leapMonth : function(y) { //闰字编码 \u95f0return (calendarChange.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 = calendarChange.leapDays(1987) ;//leapMonthDay=29 */leapDays : function(y) {if (calendarChange.leapMonth(y)) {return ((calendarChange.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 = calendarChange.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-1return ((calendarChange.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 = calendarChange.leapDays(1987) ;//solarMonthDay=30 */solarDays : function(y, m) {if (m > 12 || m < 1) {return -1} //若参数错误 返回-1var ms = m - 1;if (ms == 1) { //2月份的闰平规律测算后确认返回28或29return (((y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0)) ? 29: 28);} else {return (calendarChange.solarMonth[ms]);}},/** * 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 (calendarChange.Gan[offset % 10] + calendarChange.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 = calendarChange.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 = calendarChange.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 = calendarChange.toChinaMonth(12) ;//cnMonth='腊月' */toChinaMonth : function(m) { // 月 => \u6708if (m > 12 || m < 1) {return -1} //若参数错误 返回-1var s = calendarChange.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 = calendarChange.toChinaDay(21) ;//cnMonth='廿一' */toChinaDay : function(d) { //日 => \u65e5var 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 = calendarChange.nStr2[Math.floor(d / 10)];s += calendarChange.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 = calendarChange.getAnimal(1987) ;//animal='兔' */getAnimal : function(y) {return calendarChange.Animals[(y - 4) % 12]},/** * 传入公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(calendarChange.solar2lunar(1987,11,01)); */solar2lunar : function(y, m, d) { //参数区间1900.1.31~2100.12.31if (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 = calendarChange.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 = calendarChange.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 = calendarChange.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 = calendarChange.leapDays(year); //计算农历闰月天数} else {temp = calendarChange.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 term3 = calendarChange.getTerm(year, 3); //该农历年立春日期var gzY = calendarChange.toGanZhi(year - 4);//普通按年份计算，下方尚需按立春节气来修正//依据立春日进行修正gzYif (sm < 2 && d < term3) {gzY = calendarChange.toGanZhi(year - 5);} else {gzY = calendarChange.toGanZhi(year - 4);}//月柱 1900年1月小寒以前为 丙子月(60进制12)var firstNode = calendarChange.getTerm(y, (m * 2 - 1));//返回当月「节」为几日开始var secondNode = calendarChange.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 = calendarChange.toGanZhi((y - 1900) * 12 + m + 11);if (d >= firstNode) {gzM = calendarChange.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 = calendarChange.solarTerm[m * 2 - 2];}if (secondNode == d) {isTerm = true;Term = calendarChange.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 = calendarChange.toGanZhi(dayCyclical + d - 1);return {'lYear' : year,'lMonth' : month,'lDay' : day,'Animal' : calendarChange.getAnimal(year),'IMonthCn' : (isLeap ? "\u95f0" : '')+ calendarChange.toChinaMonth(month),'IDayCn' : calendarChange.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};},/** * 传入公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. * @return JSON object * @eg:console.log(calendarChange.lunar2solar(1987,9,10)); */lunar2solar : function(y, m, d, isLeapMonth) { //参数区间1900.1.31~2100.12.1var leapOffset = 0;var leapMonth = calendarChange.leapMonth(y);var leapDay = calendarChange.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 = calendarChange.monthDays(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 += calendarChange.lYearDays(i);}var leap = 0, isAdd = false;for (var i = 1; i < m; i++) {leap = calendarChange.leapMonth(y);if (!isAdd) {//处理闰月if (leap<=i && leap>0) {offset += calendarChange.leapDays(y);isAdd = true;}}offset += calendarChange.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 calendarChange.solar2lunar(cY, cM, cD);}};