SIPAIIS_WMS_JSSW/WebRoot/JS/lunarCalendar.js

//农历
var CalendarData=new Array(100);
var madd=new Array(12);
var tgString="甲乙丙丁戊己庚辛壬癸";
var dzString="子丑寅卯辰巳午未申酉戌亥";
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 weekString="日一二三四五六";
var sx="鼠牛虎兔龙蛇马羊猴鸡狗猪";
var cYear,cMonth,cDay,TheDate;
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="";
    tmp+=tgString.charAt((cYear-4)%10);
    tmp+=dzString.charAt((cYear-4)%12);
    tmp+="(";
    tmp+=sx.charAt((cYear-4)%12);
    tmp+=")年 ";
    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){
    //solarYear = solarYear<1900?(1900+solarYear):solarYear;
    if(solarYear<1921){
        return "";
    }else{
        solarMonth = (parseInt(solarMonth)>0) ? (solarMonth-1) : 11;
        e2c(solarYear,solarMonth,solarDay);
        return GetcDateString();
    }
}