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let CalendarData = new Array(100);
let madd = new Array(12);
let tgString = "甲乙丙丁戊己庚辛壬癸";
let dzString = "子丑寅卯辰巳午未申酉戌亥";
let numString = "一二三四五六七八九十";
let monString = "正二三四五六七八九十冬腊";
let weekString = "日一二三四五六";
let sx = "鼠牛虎兔龙蛇马羊猴鸡狗猪";
let cYear, cMonth, cDay, TheDate;
CalendarData = new Array(
0xa4b,
0x5164b,
0x6a5,
0x6d4,
0x415b5,
0x2b6,
0x957,
0x2092f,
0x497,
0x60c96,
0xd4a,
0xea5,
0x50da9,
0x5ad,
0x2b6,
0x3126e,
0x92e,
0x7192d,
0xc95,
0xd4a,
0x61b4a,
0xb55,
0x56a,
0x4155b,
0x25d,
0x92d,
0x2192b,
0xa95,
0x71695,
0x6ca,
0xb55,
0x50ab5,
0x4da,
0xa5b,
0x30a57,
0x52b,
0x8152a,
0xe95,
0x6aa,
0x615aa,
0xab5,
0x4b6,
0x414ae,
0xa57,
0x526,
0x31d26,
0xd95,
0x70b55,
0x56a,
0x96d,
0x5095d,
0x4ad,
0xa4d,
0x41a4d,
0xd25,
0x81aa5,
0xb54,
0xb6a,
0x612da,
0x95b,
0x49b,
0x41497,
0xa4b,
0xa164b,
0x6a5,
0x6d4,
0x615b4,
0xab6,
0x957,
0x5092f,
0x497,
0x64b,
0x30d4a,
0xea5,
0x80d65,
0x5ac,
0xab6,
0x5126d,
0x92e,
0xc96,
0x41a95,
0xd4a,
0xda5,
0x20b55,
0x56a,
0x7155b,
0x25d,
0x92d,
0x5192b,
0xa95,
0xb4a,
0x416aa,
0xad5,
0x90ab5,
0x4ba,
0xa5b,
0x60a57,
0x52b,
0xa93,
0x40e95
);
madd[0] = 0;
madd[1] = 31;
madd[2] = 59;
madd[3] = 90;
madd[4] = 120;
madd[5] = 151;
madd[6] = 181;
madd[7] = 212;
madd[8] = 243;
madd[9] = 273;
madd[10] = 304;
madd[11] = 334;
const GetBit = (m, n) => {
return (m >> n) & 1;
};
const e2c = (arguments) => {
TheDate =
arguments.length != 3
? new Date()
: new Date(arguments[0], arguments[1], arguments[2]);
var total, m, n, k;
var isEnd = false;
var tmp = TheDate.getYear();
if (tmp < 1900) {
tmp += 1900;
}
total =
(tmp - 1921) * 365 +
Math.floor((tmp - 1921) / 4) +
madd[TheDate.getMonth()] +
TheDate.getDate() -
38;
if (TheDate.getYear() % 4 == 0 && TheDate.getMonth() > 1) {
total++;
}
for (m = 0; ; m++) {
k = CalendarData[m] < 0xfff ? 11 : 12;
for (n = k; n >= 0; n--) {
if (total <= 29 + GetBit(CalendarData[m], n)) {
isEnd = true;
break;
}
total = total - 29 - GetBit(CalendarData[m], n);
}
if (isEnd) break;
}
cYear = 1921 + m;
cMonth = k - n + 1;
cDay = total;
if (k == 12) {
if (cMonth == Math.floor(CalendarData[m] / 0x10000) + 1) {
cMonth = 1 - cMonth;
}
if (cMonth > Math.floor(CalendarData[m] / 0x10000) + 1) {
cMonth--;
}
}
};
const GetcDateString = () => {
var tmp = "";
tmp += tgString.charAt((cYear - 4) % 10);
tmp += dzString.charAt((cYear - 4) % 12);
tmp += "(";
tmp += sx.charAt((cYear - 4) % 12);
tmp += ")年 ";
if (cMonth < 1) {
tmp += "(闰)";
tmp += monString.charAt(-cMonth - 1);
} else {
tmp += monString.charAt(cMonth - 1);
}
tmp += "月";
tmp += cDay < 11 ? "初" : cDay < 20 ? "十" : cDay < 30 ? "廿" : "三十";
if (cDay % 10 != 0 || cDay == 10) {
tmp += numString.charAt((cDay - 1) % 10);
}
return tmp;
};
const GetLunarDay = (solarYear, solarMonth, solarDay) => {
if (solarYear < 1921 || solarYear > 2120) {
return "";
} else {
solarMonth = parseInt(solarMonth) > 0 ? solarMonth - 1 : 11;
e2c(solarYear, solarMonth, solarDay);
return GetcDateString();
}
};
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