1、具體工具類轉換

/*

* 獲取農曆日期

 */
var CalendarData = new Array(100);
var madd = new Array(12);
var numString = "一二三四五六七八九十";
var monString = "正二三四五六七八九十冬臘";
var cYear, cMonth, cDay, TheDate;

// 農曆每月僅僅能是29或30天，一年用12(或13)個二進位制位表示，從高到低，相應位為1表示30天，否則29天

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;


function GetBit(m, n) {
return(m >> n) & 1;
}


function e2c() {
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--;
}

}
}


function GetcDateString() {
var tmp = "";

if(cMonth < 1) {
tmp += "(閏)";
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;
}


function GetLunarDay(solarYear, solarMonth, solarDay) {
if(solarYear < 1921 || solarYear > 2020) {
return "";
} else {
solarMonth = (parseInt(solarMonth) > 0) ? (solarMonth - 1) : 11;
e2c(solarYear, solarMonth, solarDay);
return GetcDateString();
}

}

2、呼叫進行設定

var myDate = new Date();

var yy = myDate.getFullYear();
var mm = myDate.getMonth() + 1;
var dd = myDate.getDate();

var nongli = GetLunarDay(yy, mm, dd);

這樣就獲取到農曆日期了。