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h5通过当前时间获取农历日期

2018-02-01 10:22 417 查看
1、具体工具类转换

/*

* 获取农历日期

 */

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腊";

var cYear, cMonth, cDay, TheDate;

// 农历每月仅仅能是29或30天,一年用12(或13)个二进制位表示,从高到低,相应位为1表示30天,否则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 += "(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;

}

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、调用进行设置

var myDate = new Date();

var yy = myDate.getFullYear();

var mm = myDate.getMonth() + 1;

var dd = myDate.getDate();

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

这样就获取到农历日期了。
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标签:  js 获取农历日期