JavaScript转换农历类实现及调用方法

农历是日常生活中不可或缺的一部分，它与人类的生活息息相关，从某种程度上说，它一直伴随着我们，今天的任务是JavaScript转换农历类的实现，感兴趣的你可以千万不要错过，希望本文对你有所帮助

复制代码代码如下:
var LunarDate = {
madd: new Array(0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334),
HsString: '甲乙丙丁戊己庚辛壬癸',
EbString: '子丑寅卯辰巳午未申酉戌亥',
NumString: "一二三四五六七八九十",
MonString: "正二三四五六七八九十冬腊",
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),
Year: null,
Month: null,
Day: null,
TheDate: null,
GetBit: function(m, n){
return (m >> n) & 1;
},
e2c: function(){
this.TheDate = (arguments.length != 3) ? new Date(): new Date(arguments[0], arguments[1], arguments[2]);
var total, m, n, k;
var isEnd = false;
var tmp = this.TheDate.getFullYear();
total = (tmp - 1921) * 365 + Math.floor((tmp - 1921) / 4) + this.madd[this.TheDate.getMonth()] + this.TheDate.getDate() - 38;
if (this.TheDate.getYear() % 4 == 0 && this.TheDate.getMonth() > 1) {
total++;
}
for (m = 0; ; m++) {
k = (this.CalendarData[m] <0xfff) ? 11: 12;
for (n = k; n >= 0; n--) {
if (total <= 29 + this.GetBit(this.CalendarData[m], n)) {
isEnd = true;
break;
}
total = total - 29 - this.GetBit(this.CalendarData[m], n);
}
if (isEnd)
break;
}
this.Year = 1921 + m;
this.Month = k - n + 1;
this.Day = total;
if (k == 12) {
if (this.Month == Math.floor(this.CalendarData[m] / 0x10000) + 1) {
this.Month = 1 - this.Month;
}
if (this.Month > Math.floor(this.CalendarData[m] / 0x10000) + 1) {
this.Month--;
}
}
},
GetcDateString: function(){
var tmp = "";
tmp += this.HsString.charAt((this.Year - 4) % 10);
tmp += this.EbString.charAt((this.Year - 4) % 12);
tmp += "年 ";
if (this.Month <1) {
tmp += "(闰)";
tmp += this.MonString.charAt(-this.Month - 1);
} else {
tmp += this.MonString.charAt(this.Month - 1);
}
tmp += "月";
tmp += (this.Day <11) ? "初": ((this.Day <20) ? "十": ((this.Day <30) ? "廿": "三十"));
if (this.Day % 10 != 0 || this.Day == 10) {
tmp += this.NumString.charAt((this.Day - 1) % 10);
}
return tmp;
},
GetLunarDay: function(solarYear, solarMonth, solarDay) {
if (solarYear 2020) {
return "";
} else {
solarMonth = (parseInt(solarMonth) > 0) ? (solarMonth - 1): 11;
this.e2c(solarYear, solarMonth, solarDay);
return this.GetcDateString();
}
}
};