注：参考资料来自百度
/**用法1：
//每一天对应的星期几
var week=date2holiday(“2018/05/17”).cnWeekDay;//四
//用法2：
var dayStr="2018/05/19";
if(date2holiday(dayStr).weekDay==0 || date2holiday(dayStr).weekDay==6){
console.log(dayStr+"是周末");
}
**/
(function() {
var yearBitTable = [43856, 19416, 19168, 42352, 21717, 53856, 55632, 25940, 22191, 39632, 21970, 19168, 42422, 42192, 53840, 53845, 46415, 54944, 44450, 38320, 18807, 18815, 42160, 46261, 27216, 27968, 43860, 11119, 38256, 21234, 18800, 25958, 54432, 59984, 27285, 23263, 11104, 34531, 37615, 51415, 51551, 54432, 55462, 46431, 22176, 42420, 9695, 37584, 53938, 43344, 46423, 27808, 46416, 21333, 19887, 42416, 17779, 21183, 43432, 59728, 27296, 44710, 43856, 19296, 43748, 42352, 21088, 62051, 55632, 23383, 22176, 38608, 19925, 19152, 42192, 54484, 53840, 54616, 46400, 46752, 38310, 38335, 18864, 43380, 42160, 45690, 27216, 27968, 44870, 43872, 38256, 19189, 18800, 25776, 29859, 59984, 27480, 23232, 43872, 38613, 37600, 51552, 55636, 54432, 55888, 30034, 22176, 43959, 9680, 37584, 51893, 43344, 46240, 47780, 44368, 21977, 19360, 42416, 20854, 21183, 43312, 31060, 27296, 44368, 23378, 19296, 42726, 42208, 53856, 60005, 54576, 23200, 30371, 38608, 19195, 19152, 42192, 53430, 53855, 54560, 56645, 46496, 22224, 21938, 18864, 42359, 42160, 43600, 45653, 27951, 44448, 19299, 37759, 18936, 18800, 25776, 26790, 59999, 27424, 42692, 43759, 37600, 53987, 51552, 54615, 54432, 55888, 23893, 22176, 42704, 21972, 21200, 43448, 43344, 46240, 46758, 44368, 21920, 43940, 42416, 21168, 45683, 26928, 29495, 27296, 44368, 19285, 19311, 42352, 21732, 53856, 59752, 54560, 55968, 27302, 22239, 19168, 43476, 42192, 53584, 62034, 54560];
// 1900-2100各年的24节气日期表
var solarTermsTable = ["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"];
var arrSolarTerms = ["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"];
var h = ["甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"];
var d = ["子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"];
var arrAnimals = ["鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪"];
var k = ["初", "十", "廿", "三十"];
var g = ["", "一", "二", "三", "四", "五", "六", "七", "八", "九"];
var arrChineseMonthTitles = ["正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "腊"];
// 阴历相关计算函数
var fnLunar = {
yearDataCache: {},
getDate: function(u) {
var x = Math.ceil((u - new Date(1899,1,10)) / 86400000);
var w = 1899;
var s;
var r;
var q;
var t;
var v;
for (; w < 2100 && x > 0; w++) {
s = this.getYearDays(w);
x -= s
}
x < 0 && (x += s, w--);
q = w;
r = this.getLeapMonth(q) || false;
for (w = 1; w <= 12; w++) {
s = this.getMonthDays(q, w);
if (r === true) {
r = false;
w--;
s = this.getLeapDays(q);
if (x < s) {
t = true
}
}
if (r === w) {
r = true
}
if (x < s) {
v = s === 30;
break
}
x -= s
}
return {
lunarYear: q,
lunarMonth: w,
lunarDay: x + 1,
isLeap: t,
isBigMonth: v
}
},
// 返回农历年一整年的总天数
getYearDays: function(q) {
var r;
var t = this.yearDataCache;
if (t[q]) {
return t[q]
}
var s = 348;
var u = yearBitTable[q - 1899];
for (r = 32768; r > 8; r >>= 1) {
s += r & u ? 1 : 0
}
s += this.getLeapDays(q);
t[q] = s;
return s
},
// 返回农历年闰月的天数 若该年没有闰月则返回0
getLeapDays: function(q) {
return this.getLeapMonth(q) ? (yearBitTable[q - 1899 + 1] & 15 === 15 ? 30 : 29) : 0
},
// 返回农历年闰月是哪个月；若年没有闰月 则返回0
getLeapMonth: function(r) {
var q = yearBitTable[r - 1899] & 15;
return q == 15 ? 0 : q
},
// 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 getLeapDays 方法
getMonthDays: function(y, m) {
return (yearBitTable[y - 1899] & (65536 >> m)) ? 30 : 29
}
};
// 农历1900-2100的闰大小信息 return: hex 2 DateTime
var getLeapYearTime = function(year, doubleMonth) {
var v = solarTermsTable[year - 1900];
var hex = [];
var s = 0;
var q;
for (; s < 30; s += 5) {
q = (+("0x" + v.substr(s, 5))).toString();
hex.push(q.substr(0, 1));
hex.push(q.substr(1, 2));
hex.push(q.substr(3, 1));
hex.push(q.substr(4, 2));
}
return new Date(year,parseInt(doubleMonth / 2, 10),hex[doubleMonth]);
};
// 阴历相关计算函数(获得数字年份/月份/日期 等)
var fnLunarDate = {
calculate: function(q) {
return h[q % 10] + d[q % 12]
},
getGzYear: function(r, s, q) {
return this.calculate(s - 1900 + 36 - (q === s ? 0 : 1))
},
getGzMonth: function(q, r, s) {
var t = getLeapYearTime(r, q.getMonth() * 2);
return this.calculate((r - 1900) * 12 + s + 12 - (q < t ? 1 : 0))
},
getGzDay: function(q) {
return this.calculate(Math.ceil(q / 86400000 + 25567 + 10))
}
};
// 节假日（除夕需要动态算）
var oFestivals = {
t0101: "t,春节 ",
t0115: "t,元宵节",
t0202: "t,龙头节",
t0505: "t,端午节",
t0707: "t,七夕节",
t0715: "t,中元节",
t0815: "t,中秋节",
t0909: "t,重阳节",
//t1001: "t,寒衣节",
//t1015: "t,下元节",
t1208: "t,腊八节",
t1223: "t,小年",
//"0202": "i,湿地日,1996",
"0308": "i,妇女节,1975",
//"0315": "i,消费者权益日,1983",
"0401": "i,愚人节,1564",
//"0422": "i,地球日,1990",
"0501": "i,劳动节,1889",
//"0512": "i,护士节,1912",
//"0518": "i,博物馆日,1977",
//"0605": "i,环境日,1972",
//"0623": "i,奥林匹克日,1948",
//"1020": "i,骨质疏松日,1998",
//"1117": "i,学生日,1942",
//"1201": "i,艾滋病日,1988",
"0101": "h,元旦",
"0312": "h,植树节,1979",
"0504": "h,五四青年节,1939",
"0601": "h,儿童节,1950",
"0701": "h,建党节,1941",
"0801": "h,建军节,1933",
//"0903": "h,抗战胜利日,1945",
"0910": "h,教师节,1985",
"1001": "h,国庆节,1949",
"1224": "c,平安夜",
"1225": "c,圣诞节",
"0214": "a,情人节",
extra: { // 前2位代表月份，第3位是第几个星期，第4位是星期几
"0520": "i,母亲节,1913",
"0630": "a,父亲节",
"1144": "a,感恩节"
}
};
var zeroPad = function(num) { // 填充零
return num < 10 ? "0" + num : num;
};
var getFestival = function(oDate, lunarInfo) {
var _year = oDate.getFullYear();
var _month = oDate.getMonth() + 1;
var _date = oDate.getDate();
var _day = oDate.getDay();
var _week = Math.ceil(_date / 7);
var _extra = zeroPad(_month) + _week + _day;
var _traditional = "t" + zeroPad(lunarInfo.lunarMonth) + zeroPad(lunarInfo.lunarDay);
var _normal = zeroPad(_month) + zeroPad(_date);
var arrHolidays = [];
var item;
if (lunarInfo.lunarMonth === 12 && lunarInfo.lunarDay === (lunarInfo.isBigMonth ? 30 : 29)) {
arrHolidays.push("t,除夕");
}
arrHolidays = arrHolidays.concat([oFestivals.extra[_extra], oFestivals[_normal], oFestivals[_traditional]]);
var i = 0;
for (; i < arrHolidays.length; i++) {
if (arrHolidays[i]) {
item = arrHolidays[i].split(",");
if (item[2] && _year < item[2]) {
arrHolidays[i] = null ;
continue;
}
arrHolidays[i] = {
type : item[0],
desc : item[1],
value: item[1]
}
}
}
arrHolidays.sort(function(a, b) { // 按 type 字母倒序排列(靠后的字母权重高，会排到前面)
if (a && b) {
return b.type.charCodeAt(0) - a.type.charCodeAt(0)
}
return !a ? 1 : -1;
});
return $.map(arrHolidays, function(item) {
return item;
});
};
var init = function(oDate) {
var _year = oDate.getFullYear();
var _month = oDate.getMonth() + 1;
var _date = oDate.getDate();
var doubleMonth = (_month - 1) * 2;
var s = getLeapYearTime(_year, doubleMonth);
var q;
var solarTerm = "";
var holiday = '';
if (_date != s.getDate()) {
q = getLeapYearTime(_year, doubleMonth + 1);
if (_date == q.getDate()) {
solarTerm = arrSolarTerms[doubleMonth + 1]
}
} else {
solarTerm = arrSolarTerms[doubleMonth]
}
var lunarInfo = fnLunar.getDate(oDate);
var weekDay = oDate.getDay();
var festivals = getFestival(oDate, lunarInfo);
return {
animal : arrAnimals[(lunarInfo.lunarYear - 4) % 12], // 生肖
gzDate : fnLunarDate.getGzDay(oDate), // 阴历日期
gzMonth : fnLunarDate.getGzMonth(oDate, _year, _month), // 阴历月份
gzYear : fnLunarDate.getGzYear(oDate, _year, lunarInfo.lunarYear), // 阴历年份
lunarYear : lunarInfo.lunarYear, // 阴历数字年份
lunarMonth : lunarInfo.lunarMonth, // 阴历数字月份
lunarDate : lunarInfo.lunarDay, // 阴历数字日期
lMonth : (lunarInfo.isLeap ? "闰" : "") + arrChineseMonthTitles[lunarInfo.lunarMonth - 1], // 阴历月份数字对应汉字月份
lDate: lunarInfo.lunarDay % 10 == 0 ? ["初十", "二十", "三十"][lunarInfo.lunarDay / 10 - 1] : k[parseInt(lunarInfo.lunarDay / 10, 10)] + g[parseInt(lunarInfo.lunarDay % 10, 10)], // 阴历日期数字对应汉字日期
solarTerm: solarTerm, // 节气
//festival: function() { // 没啥用
// return getFestival(oDate, lunarInfo);
//},
festivals : festivals, // 获取对应的节假日
isBigMonth : lunarInfo.isBigMonth, // 阴历30天为true,29年为false
oDate : oDate, // 公历日期对象
weekDay : weekDay, // 公历一周中的第几天，从0开始(0表示周日)
cnWeekDay : "日一二三四五六".charAt(weekDay), // 公历星期几
holiday: festivals.length ? festivals[0].value : solarTerm ? solarTerm : '' // 如果有多个节假日，返回一个(有节日则返回权重最高的一个，没有的话就返回节气，再没有就返回空值)
};
};
window.date2holiday = function(dateStr) {
var oDate = new Date(dateStr.replace(/\-/g, '/'));
return init(oDate);
};
})();
