JavaScript转换农历类实现及调用方法_javascript技巧
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内容图文
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 < 1921 || solarYear > 2020) {
return "";
} else {
solarMonth = (parseInt(solarMonth) > 0) ? (solarMonth - 1): 11;
this.e2c(solarYear, solarMonth, solarDay);
return this.GetcDateString();
}
}
};
调用方法：
代码如下:
LunarDate.GetLunarDay(2013, 1, 24);
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