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本文為大家分享了一段js顯示陰歷（農歷）和當前日期的關鍵性代碼，供大家參考，具體內容如下

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臘";
var weekString="日一二三四五六";
var sx="鼠牛虎兔龍蛇馬羊猴雞狗豬";
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+="(閏)";
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 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(GetLunarDay(yy,mm,dd));
}

頁面調用代碼：

 
<script language="JavaScript" type="text/javascript" src="getCNdate.js"></script>
 
<script type="text/javascript">showCal();</script>

代碼二：用JavaScript獲取當前農歷日期

<script type="text/javascript">
 var sWeek = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
 var dNow = new Date();
 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臘";var weekString="日一二三四五六";var sx="鼠牛虎兔龍蛇馬羊猴雞狗豬";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.getFullYear(); 
 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+="年 "; 
if(cMonth<1) { tmp+="(閏)"; 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)
{
 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 yy=D.getFullYear(); 
var mm=D.getMonth()+1; 
var dd=D.getDate(); 
var ww=D.getDay(); 
var ss=parseInt(D.getTime() / 1000); 
function getFullYear(d){// 修正firefox下year錯誤
yr=d.getYear();if(yr<1000)
yr+=1900;return yr;}
function showDate() {
 var sValue = getFullYear(dNow)+"年"+(dNow.getMonth()+1)+"月"+dNow.getDate()+"日"+" "+sWeek[dNow.getDay()]+" ";
 sValue+=GetLunarDay(yy,mm,dd);
   document.getElementById("pDate").innerHTML = sValue;
};
window.onload=showDate;
</script>

知道如何獲取農歷，如何呢獲取當前日期也很簡單。

function GetCurrentDateTime() {
  var d = new Date();
  var year = d.getFullYear();
  var month = d.getMonth() + 1;
  var date = d.getDate();
  var week = d.getDay();
  var hours = d.getHours();
  var minutes = d.getMinutes();
  var seconds = d.getSeconds();
  var ms = d.getMilliseconds();
  var curDateTime = year;
  if (month > 9)
    curDateTime = curDateTime + "年" + month;
  else
    curDateTime = curDateTime + "年0" + month;
  if (date > 9)
    curDateTime = curDateTime + "月" + date + "日";
  else
    curDateTime = curDateTime + "月0" + date + "日";
  if (hours > 9)
    curDateTime = curDateTime + " " + hours;
  else
    curDateTime = curDateTime + " 0" + hours;
  if (minutes > 9)
    curDateTime = curDateTime + ":" + minutes;
  else
    curDateTime = curDateTime + ":0" + minutes;
  if (seconds > 9)
    curDateTime = curDateTime + ":" + seconds;
  else
    curDateTime = curDateTime + ":0" + seconds;
  var weekday = "";
  if (week == 0)
    weekday = "星期日";
  else if (week == 1)
    weekday = "星期一";
  else if (week == 2)
    weekday = "星期二";
  else if (week == 3)
    weekday = "星期三";
  else if (week == 4)
    weekday = "星期四";
  else if (week == 5)
    weekday = "星期五";
  else if (week == 6)
    weekday = "星期六";
  curDateTime = curDateTime + " " + weekday;
  return curDateTime;
}

頁面調用代碼：

<script language="JavaScript" type="text/javascript" src="getToday.js"></script>

希望本文所述對大家利用js代碼獲取陰歷（農歷）日期有所幫助，抓緊收藏起來吧！