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JavaScriptJavaScript当前位置:首页 >>开发技巧>>JavaScript
JavaScript实现显示当前阳历日期、农历日期​
编辑yang 发布时间2014-09-11 浏览量2404 来源本站编辑 特大
摘要:JavaScript实现显示当前阳历日期、农历日期​

       JavaScript实现显示当前阳历日期、农历日期

<script>
    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 || solarYear>2020){
        return "";
        }else{
         solarMonth = (parseInt(solarMonth)>0) ? (solarMonth-1) : 11;
         e2c(solarYear,solarMonth,solarDay);
         return GetcDateString();
        }
    }
                                  
    var D=new Date();
    var _week=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"]
    var yy=D.getFullYear();
    var mm=D.getMonth()+1;
    var dd=D.getDate();
    var ww=D.getDay();
    var ss=parseInt(D.getTime() / 1000);
    if (yy<100) yy="19"+yy;
    function showCal(){
        document.write(yy+"年"+mm+"月"+dd+"日"+_week[ww]);
        document.write("<br>")
        document.write(GetLunarDay(yy,mm,dd));
    }
    showCal();
</script>

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