这个程序是算法是怎么的?
IT-学徒 2012-08-06 08:23:19 谁帮翻译一下这个程序的算法,我是c#,不会JavaScript 只要求节气的算法,谢谢
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content="农历; 万年历; 月历; 节日; 时区; 节气; 八字; 干支; 生肖; gregorian solar; chinese lunar; calendar;"
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/*****************************************************************************
日期资料
*****************************************************************************/
var lunarInfo=new Array(
0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,
0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,
0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,
0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,
0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,
0x06ca0,0x0b550,0x15355,0x04da0,0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,
0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,
0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b5a0,0x195a6,
0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,
0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,
0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,
0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,
0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,
0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0)
var solarMonth=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
var Gan=new Array("甲","乙","丙","丁","戊","己","庚","辛","壬","癸");
var Zhi=new Array("子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥");
var Animals=new Array("鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪");
var solarTerm = new Array("小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨","立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至")
var sTermInfo = new Array(0,21208,42467,63836,85337,107014,128867,150921,173149,195551,218072,240693,263343,285989,308563,331033,353350,375494,397447,419210,440795,462224,483532,504758)
var nStr1 = new Array('日','一','二','三','四','五','六','七','八','九','十')
var nStr2 = new Array('初','十','廿','卅',' ')
var monthName = new Array("1 月","2 月","3 月","4 月","5 月","6 月","7 月","8 月","9 月","10 月","11 月","12 月");
//国历节日 *表示放假日
var sFtv = new Array(
"0101*元旦",
"0910 教师节",
"1226 毛泽东诞辰")
//农历节日 *表示放假日
var lFtv = new Array(
"0101*春节",
"0102*初二",
"0103*初三",
"0100*除夕")
//某月的第几个星期几
var wFtv = new Array(
"0520 母亲节")
var fFtv = new Array(
"0630 父亲节")
/*****************************************************************************
日期计算
*****************************************************************************/
//====================================== 传回农历 y年的总天数
function lYearDays(y) {
var i, sum = 348
for(i=0x8000; i>0x8; i>>=1) sum +=(lunarInfo[y-1900] & i)? 1: 0
return(sum+leapDays(y))
}
//====================================== 传回农历 y年闰月的天数
function leapDays(y) {
if(leapMonth(y)) return((lunarInfo[y-1900] & 0x10000)? 30: 29)
else return(0)
}
//====================================== 传回农历 y年闰哪个月 1-12 , 没闰传回 0
function leapMonth(y) {
return(lunarInfo[y-1900] & 0xf)
}
//====================================== 传回农历 y年m月的总天数
function monthDays(y,m) {
return( (lunarInfo[y-1900] & (0x10000>>m))? 30: 29 )
}
//====================================== 算出农历, 传入日期物件, 传回农历日期物件
// 该物件属性有 .year .month .day .isLeap .yearCyl .dayCyl .monCyl
function Lunar(objDate) {
var i, leap=0, temp=0
var baseDate = new Date(1900,0,31)
var offset = (objDate - baseDate)/86400000
this.dayCyl = offset + 40
this.monCyl = 14
for(i=1900; i<2050 && offset>0; i++) {
temp = lYearDays(i)
offset -= temp
this.monCyl += 12
}
if(offset<0) {
offset += temp;
i--;
this.monCyl -= 12
}
this.year = i
this.yearCyl = i-1864
leap = leapMonth(i) //闰哪个月
this.isLeap = false
for(i=1; i<13 && offset>0; i++) {
//闰月
if(leap>0 && i==(leap+1) && this.isLeap==false)
{ --i; this.isLeap = true; temp = leapDays(this.year); }
else
{ temp = monthDays(this.year, i); }
//解除闰月
if(this.isLeap==true && i==(leap+1)) this.isLeap = false
offset -= temp
if(this.isLeap == false) this.monCyl ++
}
if(offset==0 && leap>0 && i==leap+1)
if(this.isLeap)
{ this.isLeap = false; }
else
{ this.isLeap = true; --i; --this.monCyl;}
if(offset<0){ offset += temp; --i; --this.monCyl; }
this.month = i
this.day = offset + 1
}
//==============================传回国历 y年某m+1月的天数
function solarDays(y,m) {
if(m==1)
return(((y%4 == 0) && (y%100 != 0) || (y%400 == 0))? 29: 28)
else
return(solarMonth[m])
}
//============================== 传入 offset 传回干支, 0=甲子
function cyclical(num) {
return(Gan[num%10]+Zhi[num%12])
}
//============================== 月历属性
function calElement(sYear,sMonth,sDay,week,lYear,lMonth,lDay,isLeap,cYear,cMonth,cDay) {
this.isToday = false;
//国历
this.sYear = sYear;
this.sMonth = sMonth;
this.sDay = sDay;
this.week = week;
//农历
this.lYear = lYear;
this.lMonth = lMonth;
this.lDay = lDay;
this.isLeap = isLeap;
//干支
this.cYear = cYear;
this.cMonth = cMonth;
this.cDay = cDay;
this.color = '';
this.lunarFestival = ''; //农历节日
this.solarFestival = ''; //国历节日
this.solarTerms = ''; //节气
}
//===== 某年的第n个节气为几日(从0小寒起算)
function sTerm(y,n) {
var offDate = new Date( ( 31556925974.7*(y-1900) + sTermInfo[n]*60000 ) + Date.UTC(1900,0,6,2,5) )
return(offDate.getUTCDate())
}
//============================== 传回月历物件 (y年,m+1月)
function calendar(y,m) {
var sDObj, lDObj, lY, lM, lD=1, lL, lX=0, tmp1, tmp2
var lDPOS = new Array(3)
var n = 0
var firstLM = 0
sDObj = new Date(y,m,1) //当月一日日期
this.length = solarDays(y,m) //国历当月天数
this.firstWeek = sDObj.getDay() //国历当月1日星期几
for(var i=0;i<this.length;i++) {
if(lD>lX) {
sDObj = new Date(y,m,i+1) //当月一日日期
lDObj = new Lunar(sDObj) //农历
lY = lDObj.year //农历年
lM = lDObj.month //农历月
lD = lDObj.day //农历日
lL = lDObj.isLeap //农历是否闰月
lX = lL? leapDays(lY): monthDays(lY,lM) //农历当月最後一天
if(n==0) firstLM = lM
lDPOS[n++] = i-lD+1
}
//sYear,sMonth,sDay,week,
//lYear,lMonth,lDay,isLeap,
//cYear,cMonth,cDay
this[i] = new calElement(y, m+1, i+1, nStr1[(i+this.firstWeek)%7],
lY, lM, lD++, lL,
cyclical(lDObj.yearCyl) ,cyclical(lDObj.monCyl), cyclical(lDObj.dayCyl++) )
if((i+this.firstWeek)%7==0) this[i].color = 'red' //周日颜色
if((i+this.firstWeek)%14==13) this[i].color = 'red' //周休二日颜色
}
//节气
tmp1=sTerm(y,m*2 )-1
tmp2=sTerm(y,m*2+1)-1
this[tmp1].solarTerms = solarTerm[m*2]
this[tmp2].solarTerms = solarTerm[m*2+1]
if(m==3) this[tmp1].color = 'red' //清明颜色
//国历节日
for(i in sFtv)
if(sFtv[i].match(/^(\d{2})(\d{2})([\s\*])(.+)$/))
if(Number(RegExp.$1)==(m+1)) {
this[Number(RegExp.$2)-1].solarFestival += RegExp.$4 + ' '
if(RegExp.$3=='*') this[Number(RegExp.$2)-1].color = 'red'
}
//月周节日
for(i in wFtv)
if(wFtv[i].match(/^(\d{2})(\d)(\d)([\s\*])(.+)$/))
if(Number(RegExp.$1)==(m+1)) {
tmp1=Number(RegExp.$2)
tmp2=Number(RegExp.$3)
this[((this.firstWeek>tmp2)?7:0) + 7*(tmp1-1) + tmp2 - this.firstWeek].solarFestival += RegExp.$5 + ' '
}
for(i in fFtv)
if(fFtv[i].match(/^(\d{2})(\d)(\d)([\s\*])(.+)$/))
if(Number(RegExp.$1)==(m+1)) {
tmp1=Number(RegExp.$2)
tmp2=Number(RegExp.$3)
this[((this.firstWeek>tmp2)?7:0) + 7*(tmp1-1) + tmp2 - this.firstWeek].solarFestival += RegExp.$5 + ' '
}
//农历节日
for(i in lFtv)
if(lFtv[i].match(/^(\d{2})(.{2})([\s\*])(.+)$/)) {
tmp1=Number(RegExp.$1)-firstLM
if(tmp1==-11) tmp1=1
if(tmp1 >=0 && tmp1<n) {
tmp2 = lDPOS[tmp1] + Number(RegExp.$2) -1
if( tmp2 >= 0 && tmp2<this.length) {
this[tmp2].lunarFestival += RegExp.$4 + ' '
if(RegExp.$3=='*') this[tmp2].color='red'
}
}
}
//黑色星期五
if((this.firstWeek+12)%7==5)
this[12].solarFestival += '黑色星期五 '
//今日
if(y==tY && m==tM) this[tD-1].isToday = true;
}