u_yinyang.pas

把阳历转换对应的阴历等信息

    Exit;
  end;
  Height:=0;
  Low:=29;
  iBit:=16-iLunarMonth;
  if (iLunarMonth>GetLeapMonth(iLunarYear)) and (GetLeapMonth(iLunarYear)>0) then
    Dec(iBit);
  if (gLunarMonthDay[iLunarYear-START_YEAR] and (1 shl iBit))>0 then
    Inc(Low);
  if iLunarMonth=GetLeapMonth(iLunarYear) then
    if (gLunarMonthDay[iLunarYear-START_YEAR] and (1 shl (iBit-1)))>0 then
      Height:=30
    else
      Height:=29;
  Result:=MakeLong(Low,Height);
end;

function LunarYearDays(iLunarYear:Word):Word;
var
  Days,i:Word;
  tmp:Longword;
begin
  Days:=0;
  for i:=1 to 12 do
  begin
    tmp:=LunarMonthDays(iLunarYear,i);
    Days:=Days+HiWord(tmp);
    Days:=Days+LoWord(tmp);
  end;
  Result:=Days;
end;

procedure FormatLunarYear(iYear:Word;var pBuffer:string);
var
  szText1,szText2,szText3:string;
begin
  szText1:='甲乙丙丁戊己庚辛壬癸';
  szText2:='子丑寅卯辰巳午未申酉戌亥';
  szText3:='鼠牛虎免龙蛇马羊猴鸡狗猪';
  pBuffer:=Copy(szText1,((iYear-4) mod 10)*2+1,2);
  pBuffer:=pBuffer+Copy(szText2,((iYear-4) mod 12)*2+1,2);
  pBuffer:=pBuffer+' ';
  pBuffer:=pBuffer+Copy(szText3,((iYear-4) mod 12)*2+1,2);
  pBuffer:=pBuffer+'年';
end;

function FormatLunarYear(iYear:Word):string;
var
  pBuffer:string;
begin
  FormatLunarYear(iYear,pBuffer);
  Result:=pBuffer;
end;

procedure FormatMonth(iMonth:Word;var pBuffer:string;bLunar:Boolean);
var
  szText:string;
begin
  if (not bLunar) and (iMonth=1) then
  begin
    pBuffer:='  一月';
    Exit;
  end;
  szText:='正二三四五六七八九十';
  if iMonth<=10 then
  begin
    pBuffer:='  ';
    pBuffer:=pBuffer+Copy(szText,(iMonth-1)*2+1,2);
    pBuffer:=pBuffer+'月';
    Exit;
  end;
  if iMonth=11 then
    pBuffer:='十一'
  else
    pBuffer:='十二';
  pBuffer:=pBuffer+'月';
end;

function FormatMonth(iMonth:Word;bLunar:Boolean):string;
var
  pBuffer:string;
begin
  FormatMonth(iMonth,pBuffer,bLunar);
  Result:=pBuffer;
end;

procedure FormatLunarDay(iDay:Word;var pBuffer:string);
var
  szText1,szText2:string;
begin
  szText1:='初十廿三';
  szText2:='一二三四五六七八九十';
  if (iDay<>20) and (iDay<>30) then
  begin
    pBuffer:=Copy(szText1,((iDay-1) div 10)*2+1,2);
    pBuffer:=pBuffer+Copy(szText2,((iDay-1) mod 10)*2+1,2);
  end
  else
  begin
    pBuffer:=Copy(szText1,(iDay div 10)*2+1,2);
    pBuffer:=pBuffer+'十';
  end;
end;

function FormatLunarDay(iDay:Word):string;
var
  pBuffer:string;
begin
  FormatLunarDay(iDay,pBuffer);
  Result:=pBuffer;
end;

function CalcDateDiff(iEndYear,iEndMonth,iEndDay:Word;iStartYear:Word;iStartMonth:Word;iStartDay:Word):Longword;
begin
  Result:=Trunc(EncodeDate(iEndYear,iEndMonth,iEndDay)-EncodeDate(iStartYear,iStartMonth,iStartDay));
end;

function CalcDateDiff(EndDate,StartDate:TDateTime):Longword;
begin
  Result:=Trunc(EndDate-StartDate);
end;

procedure l_CalcLunarDate(var iYear,iMonth,iDay:Word;iSpanDays:Longword);
var
  tmp:Longword;
begin
  //阳历1901年2月19日为阴历1901年正月初一
  //阳历1901年1月1日到2月19日共有49天
  if iSpanDays<49 then
  begin
    iYear:=START_YEAR-1;
    if iSpanDays<19 then
    begin
      iMonth:=11;
      iDay:=11+Word(iSpanDays);
    end
    else
    begin
      iMonth:=12;
      iDay:=Word(iSpanDays)-18;
    end;
    Exit;
  end;
  //下面从阴历1901年正月初一算起
  iSpanDays:=iSpanDays-49;
  iYear:=START_YEAR;
  iMonth:=1;
  iDay:=1;
  //计算年
  tmp:=LunarYearDays(iYear);
  while iSpanDays>=tmp do
  begin
    iSpanDays:=iSpanDays-tmp;
    Inc(iYear);
    tmp:=LunarYearDays(iYear);
  end;
  //计算月
  tmp:=LoWord(LunarMonthDays(iYear,iMonth));
  while iSpanDays>=tmp do
  begin
    iSpanDays:=iSpanDays-tmp;
    if iMonth=GetLeapMonth(iYear) then
    begin
      tmp:=HiWord(LunarMonthDays(iYear,iMonth));
      if iSpanDays<tmp then Break;
      iSpanDays:=iSpanDays-tmp;
    end;
    Inc(iMonth);
    tmp:=LoWord(LunarMonthDays(iYear,iMonth));
  end;
  //计算日
  iDay:=iDay+Word(iSpanDays);
end;

function l_GetLunarHolDay(iYear,iMonth,iDay:Word):Word;
var
  Flag:Byte;
  Day:Word;
begin
  Flag:=gLunarHolDay[(iYear-START_YEAR)*12+iMonth-1];
  if iDay<15 then
    Day:=15-((Flag shr 4) and $0f)
  else
    Day:=(Flag and $0f)+15;
  if iDay=Day then
    if iDay>15 then
      Result:=(iMonth-1)*2+2
    else
      Result:=(iMonth-1)*2+1
  else
    Result:= 0;
end;

function GetLunarHolDay(InDate:TDateTime):string;
var
  i,iYear,iMonth,iDay:Word;
begin
  DecodeDate(InDate,iYear,iMonth,iDay);
  i:=l_GetLunarHolDay(iYear,iMonth,iDay);
  case i of
    1:Result:='小 寒';
    2:Result:='大 寒';
    3:Result:='立 春';
    4:Result:='雨 水';
    5:Result:='惊 蛰';
    6:Result:='春 分';
    7:Result:='清 明';
    8:Result:='谷 雨';
    9:Result:='立 夏';
    10:Result:='小 满';
    11:Result:='芒 种';
    12:Result:='夏 至';
    13:Result:='小 暑';
    14:Result:='大 暑';
    15:Result:='立 秋';
    16:Result:='处 暑';
    17:Result:='白 露';
    18:Result:='秋 分';
    19:Result:='寒 露';
    20:Result:='霜 降';
    21:Result:='立 冬';
    22:Result:='小 雪';
    23:Result:='大 雪';
    24:Result:='冬 至';
  else
    l_CalcLunarDate(iYear,iMonth,iDay,CalcDateDiff(InDate,EncodeDate(START_YEAR,1,1)));
    Result := trim(FormatMonth(iMonth) + FormatLunarDay(iDay));
  end;
end;

function GetLunarHolDay(iYear,iMonth,iDay:Word):string;
begin
  Result:=GetLunarHolDay(EncodeDate(iYear,iMonth,iDay));
end;

function TForm1.GetConstellation( DateTime: TDateTime): string;
var
  Y, M, D: Word;
  res:integer;
begin
  DecodeDate(DateTime, Y, M, D);
  Y := M * 100 + D;
  if (Y >= 321) and (Y <= 419) then
    res := 0
  else
    if (Y >= 420) and (Y <= 520) then
      res := 1
    else
      if (Y >= 521) and (Y <= 620) then
        res := 2
      else
        if (Y >= 621) and (Y <= 722) then
          res := 3
        else
          if (Y >= 723) and (Y <= 822) then
            res := 4
          else
            if (Y >= 823) and (Y <= 922) then
              res := 5
            else
              if (Y >= 923) and (Y <= 1022) then
                res := 6
              else
                if (Y >= 1023) and (Y <= 1121) then
                  res := 7
                else
                  if (Y >= 1122) and (Y <= 1221) then
                    res := 8
                  else
                    if (Y >= 1222) or (Y <= 119) then
                      res := 9
                    else
                      if (Y >= 120) and (Y <= 218) then
                        res := 10
                      else
                        if (Y >= 219) and (Y <= 320) then
                          res := 11
                        else
                          res := -1;
  case res of
    0: Result := '白羊座';
    1: Result := '金牛座';
    2: Result := '双子座';
    3: Result := '巨蟹座';
    4: Result := '狮子座';
    5: Result := '处女座';
    6: Result := '天秤座';
    7: Result := '天蝎座';
    8: Result := '射手座';
    9: Result := '摩羯座';
    10: Result := '水瓶座';
    11: Result := '双鱼座';
  else
    Result := '';
  end;

end;
end.