jQueryはある日の旧暦の日付を取得し、大晦日か新年かどうかを判断する方法

この例では、jQueryがある日の旧暦の日付を取得し、大晦日や新年を判断する方法について説明します.皆さんの参考にしてください.具体的には以下の通りです.

  //------------------- Begin ----------------------
  CalendarHelper={};
  CalendarHelper.GetCNDate = function (D) {
    var CalendarData = new Array(100);
    var madd = new Array(12);
    var tgString = "          ";
    var dzString = "            ";
    var numString = "          ";
    var monString = "            ";
    var weekString = "       ";
    var sx = "            ";
    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 += ")  ";
      if (cMonth < 1) {
        tmp += "( )";
        tmp += monString.charAt(-cMonth - 1);
      } else {
        tmp += monString.charAt(cMonth - 1);
      }
      tmp += " ";
      tmp += (cDay < 11) ? " " : ((cDay < 20) ? " " : ((cDay < 30) ? " " : "  "));
      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 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;
    return GetLunarDay(yy, mm, dd);
  };
  CalendarHelper.GetAddDay = function (D, v) {
    var LSTR_ndate = D;
    var LSTR_Year = LSTR_ndate.getYear();
    var LSTR_Month = LSTR_ndate.getMonth();
    var LSTR_Date = LSTR_ndate.getDate();
    //  
    var uom = new Date(LSTR_Year, LSTR_Month, LSTR_Date);
    uom.setDate(uom.getDate() + v); //          ,     ,      ,      
    return uom;
  }
  //    
  CalendarHelper.IsLastDayBeforeNewYearOfCN = function (D) {
    var strCurrDay = CalendarHelper.GetCNDate(D);
    var strNextDay = CalendarHelper.GetCNDate(CalendarHelper.GetAddDay(D, 1));
    //alert(strCurrDay+","+strNextDay);
    return strCurrDay.split(' ')[0] != strNextDay.split(' ')[0];
  };
  //    
  CalendarHelper.IsNewYearOfCN = function (D) {
    var strCurrDay = CalendarHelper.GetCNDate(D);
    var strPrevDay = CalendarHelper.GetCNDate(CalendarHelper.GetAddDay(D, -1));
    //alert(strCurrDay+","+strPrevDay);
    return strCurrDay.split(' ')[0] != strPrevDay.split(' ')[0];
  };
  //------------------- End ----------------------
  var d1 = new Date();
  var d2 = new Date(2013, 1, 9); // ：     2013 2 9 
  var d3 = new Date(2013, 1, 10);
  var result = GetResult(d1) + GetResult(d2) + GetResult(d3);
  alert(result);
  function GetResult(D) {
    var y = D.getFullYear();
    var m = D.getMonth() + 1;
    var dd = D.getDate();
    var str = y + " " + m + " " + dd + " ";
    var isR = CalendarHelper.IsLastDayBeforeNewYearOfCN(D);
    var isN = CalendarHelper.IsNewYearOfCN(D);
    return "  :"+str+","+ (isR?" ":"  ") + "  " + "," + (isN?" ":"  ") + "  

" ;
  }

jQueryの関連内容についてもっと興味のある読者は、「jQuery日付と時間操作技術総括」、「jQueryドラッグ特効と技術総括」、「jQuery拡張技術総括」、「jQueryよく見られる経典特効総括」、「jQueryアニメーションと特効法総括」、『jqueryセレクタ用法総括』及び『jQuery常用プラグイン及び用法総括』
本文で述べたことが皆さんのjQueryプログラム設計に役立つことを望んでいます.