PHP 實現公歷日期與農歷日期的互轉換
前言：
今天根據客戶的需求對時間進行了轉換，就是客戶要求增加農歷日期的顯示，在網上抄襲了一段，稍微修改了一下運行成功了，不難的，改動的很少的.
示例代碼：
<?php
/*
*
* 陳海波 新二級頁面 農歷轉換成公歷
*
* */
// lunar.php 新建這個php文件，所有的代碼無需改，需要改的是下面teacher.php 的幾行
class Lunar
{
private $_SMDay = array(1 => 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);//定義公歷月分天數
private $_LStart = 1950 ;//農歷從1950年開始
private $_LMDay = array(
//差：該年的農歷正月初一到該年公歷1月1日的天數；1~12：農歷月份天數；閏：如有閏月，記錄該月平月天數
// 差 1 2 3 4 5 6 7 8 9 10 11 12 閏
array(47,29,30,30,29,30,30,29,29,30,29,30,29),
array(36,30,29,30,30,29,30,29,30,29,30,29,30),
array(6,29,30,29,30,59,29,30,30,29,30,29,30,29), //五月29 閏五月30
array(44,29,30,29,29,30,30,29,30,30,29,30,29),
array(33,30,29,30,29,29,30,29,30,30,29,30,30),
array(23,29,30,59,29,29,30,29,30,29,30,30,30,29), //三月29 閏三月30
array(42,29,30,29,30,29,29,30,29,30,29,30,30),
array(30,30,29,30,29,30,29,29,59,30,29,30,29,30), //八月30 閏八月29
array(48,30,30,30,29,30,29,29,30,29,30,29,30),
array(38,29,30,30,29,30,29,30,29,30,29,30,29),
array(27,30,29,30,29,30,59,30,29,30,29,30,29,30), //六月30 閏六月29
array(45,30,29,30,29,30,29,30,30,29,30,29,30),
array(35,29,30,29,29,30,29,30,30,29,30,30,29),
array(24,30,29,30,58,30,29,30,29,30,30,30,29,29), //四月29 閏四月29
array(43,30,29,30,29,29,30,29,30,29,30,30,30),
array(32,29,30,29,30,29,29,30,29,29,30,30,29),
array(20,30,30,59,30,29,29,30,29,29,30,30,29,30), //三月30 閏三月29
array(39,30,30,29,30,30,29,29,30,29,30,29,30),
array(29,29,30,29,30,30,29,59,30,29,30,29,30,30), //七月30 閏七月29
array(47,29,30,29,30,29,30,30,29,30,29,30,29),
array(36,30,29,29,30,29,30,30,29,30,30,29,30),
array(26,29,30,29,29,59,30,29,30,30,30,29,30,30), //五月30 閏五月29
array(45,29,30,29,29,30,29,30,29,30,30,29,30),
array(33,30,29,30,29,29,30,29,29,30,30,29,30),
array(22,30,30,29,59,29,30,29,29,30,30,29,30,30), //四月30 閏四月29
array(41,30,30,29,30,29,29,30,29,29,30,29,30),
array(30,30,30,29,30,29,30,29,59,29,30,29,30,30), //八月30 閏八月29
array(48,30,29,30,30,29,30,29,30,29,30,29,29),
array(37,30,29,30,30,29,30,30,29,30,29,30,29),
array(27,30,29,29,30,29,60,29,30,30,29,30,29,30), //六月30 閏六月30
array(46,30,29,29,30,29,30,29,30,30,29,30,30),
array(35,29,30,29,29,30,29,29,30,30,29,30,30),
array(24,30,29,30,58,30,29,29,30,29,30,30,30,29), //四月29 閏四月29
array(43,30,29,30,29,29,30,29,29,30,29,30,30),
array(32,30,29,30,30,29,29,30,29,29,59,30,30,30), //十月30 閏十月29
array(50,29,30,30,29,30,29,30,29,29,30,29,30),
array(39,29,30,30,29,30,30,29,30,29,30,29,29),
array(28,30,29,30,29,30,59,30,30,29,30,29,29,30), //六月30 閏六月29
array(47,30,29,30,29,30,29,30,30,29,30,30,29),
array(36,30,29,29,30,29,30,29,30,29,30,30,30),
array(26,29,30,29,29,59,29,30,29,30,30,30,30,30), //五月30 閏五月29
array(45,29,30,29,29,30,29,29,30,29,30,30,30),
array(34,29,30,30,29,29,30,29,29,30,29,30,30),
array(22,29,30,59,30,29,30,29,29,30,29,30,29,30), //三月30 閏三月29
array(40,30,30,30,29,30,29,30,29,29,30,29,30),
array(30,29,30,30,29,30,29,30,59,29,30,29,30,30), //八月30 閏八月29
array(49,29,30,29,30,30,29,30,29,30,30,29,29),
array(37,30,29,30,29,30,29,30,30,29,30,30,29),
array(27,30,29,29,30,58,30,30,29,30,30,29,30,29), //五月29 閏五月29
array(46,30,29,29,30,29,29,30,29,30,30,30,29),
array(35,30,30,29,29,30,29,29,30,29,30,30,29),
array(23,30,30,29,59,30,29,29,30,29,30,29,30,30), //四月30 閏四月29
array(42,30,30,29,30,29,30,29,29,30,29,30,29),
array(31,30,30,29,30,30,29,30,29,29,30,29,30),
array(21,29,59,30,30,29,30,29,30,29,30,29,30,30), //二月30 閏二月29
array(39,29,30,29,30,29,30,30,29,30,29,30,29),
array(28,30,29,30,29,30,29,59,30,30,29,30,30,30), //七月30 閏七月29
array(48,29,29,30,29,29,30,29,30,30,30,29,30),
array(37,30,29,29,30,29,29,30,29,30,30,29,30),
array(25,30,30,29,29,59,29,30,29,30,29,30,30,30), //五月30 閏五月29
array(44,30,29,30,29,30,29,29,30,29,30,29,30),
array(33,30,29,30,30,29,30,29,29,30,29,30,29),
array(22,30,29,30,59,30,29,30,29,30,29,30,29,30), //四月30 閏四月29
array(40,30,29,30,29,30,30,29,30,29,30,29,30),
array(30,29,30,29,30,29,30,29,30,59,30,29,30,30), //九月30 閏九月29
array(49,29,30,29,29,30,29,30,30,30,29,30,29),
array(38,30,29,30,29,29,30,29,30,30,29,30,30),
array(27,29,30,29,30,29,59,29,30,29,30,30,30,29), //六月29 閏六月30
array(46,29,30,29,30,29,29,30,29,30,29,30,30),
array(35,30,29,30,29,30,29,29,30,29,29,30,30),
array(24,29,30,30,59,30,29,29,30,29,30,29,30,30), //四月30 閏四月29
array(42,29,30,30,29,30,29,30,29,30,29,30,29),
array(31,30,29,30,29,30,30,29,30,29,30,29,30),
array(21,29,59,29,30,30,29,30,30,29,30,29,30,30), //二月30 閏二月29
array(40,29,30,29,29,30,29,30,30,29,30,30,29),
array(28,30,29,30,29,29,59,30,29,30,30,30,29,30), //六月30 閏六月29
array(47,30,29,30,29,29,30,29,29,30,30,30,29),
array(36,30,30,29,30,29,29,30,29,29,30,30,29),
array(25,30,30,30,29,59,29,30,29,29,30,30,29,30), //五月30 閏五月29
array(43,30,30,29,30,29,30,29,30,29,29,30,30),
array(33,29,30,29,30,30,29,30,29,30,29,30,29),
array(22,29,30,59,30,29,30,30,29,30,29,30,29,30), //三月30 閏三月29
array(41,30,29,29,30,29,30,30,29,30,30,29,30),
array(30,29,30,29,29,30,29,30,29,30,30,59,30,30), //十一月30 閏十一月29
array(49,29,30,29,29,30,29,30,29,30,30,29,30),
array(38,30,29,30,29,29,30,29,29,30,30,29,30),
array(27,30,30,29,30,29,59,29,29,30,29,30,30,29), //六月29 閏六月30
array(45,30,30,29,30,29,29,30,29,29,30,29,30),
array(34,30,30,29,30,29,30,29,30,29,29,30,29),
array(23,30,30,29,30,59,30,29,30,29,30,29,29,30), //五月30 閏五月29
array(42,30,29,30,30,29,30,29,30,30,29,30,29),
array(31,29,30,29,30,29,30,30,29,30,30,29,30),
array(21,29,59,29,30,29,30,29,30,30,29,30,30,30), //二月30 閏二月29
array(40,29,30,29,29,30,29,29,30,30,29,30,30),
array(29,30,29,30,29,29,30,58,30,29,30,30,30,29), //七月29 閏七月29
array(47,30,29,30,29,29,30,29,29,30,29,30,30),
array(36,30,29,30,29,30,29,30,29,29,30,29,30),
array(25,30,29,30,30,59,29,30,29,29,30,29,30,29), //五月29 閏五月30
array(44,29,30,30,29,30,30,29,30,29,29,30,29),
array(32,30,29,30,29,30,30,29,30,30,29,30,29),
array(22,29,30,59,29,30,29,30,30,29,30,30,29,29), //三月29 閏三月30
);
//是否閏年
private function IsLeapYear($AYear)
{
return ($AYear % 4 == 0) && (($AYear % 100 != 0) || ($AYear % 400 == 0));
}
//公歷該月的天數(year：年份； month：月份)
private function GetSMon($year,$month)
{
if($this->IsLeapYear($year) && $month == 2)
return 29;
else
return $this->_SMDay[$month];
}
//農歷名稱轉換
private function LYearName($year)
{
$Name = array("零","一","二","三","四","五","六","七","八","九");
for($i=0;$i<4;$i++)
for($k=0;$k<10;$k++)
if($year[$i]==$k)
$tmp.=$Name[$k];
return $tmp;
}
private function LMonName($month)
{
if($month >=1 && $month <=12 )
{
$Name = array( 1=>"正","二","三","四","五","六","七","八","九","十","十一","十二");
return $Name[$month];
}
return $month;
}
private function LDayName($day)
{
if($day >=1 && $day <=30 )
{
$Name = array( 1 =>
"初一","初二","初三","初四","初五","初六","初七","初八","初九","初十",
"十一","十二","十三","十四","十五","十六","十七","十八","十九","二十",
"廿一","廿二","廿三","廿四","廿五","廿六","廿七","廿八","廿九","三十"
);
return $Name[$day];
}
return $day;
}
//公歷轉農歷(Sdate：公歷日期)
public function S2L($date)
{
list($year, $month, $day) = explode("-", $date);
if($year <= 1951 || $month <= 0 || $day <= 0 || $year >= 2051 ) return false;
//獲取查詢日期到當年1月1日的天數
$date1 = strtotime($year."-01-01");//當年1月1日
$date2 = strtotime($year."-".$month."-".$day);
$days=round(($date2-$date1)/3600/24);
$days += 1;
//獲取相應年度農歷數據，化成數組Larray
$Larray = $this->_LMDay[$year - $this->_LStart];
if($days <= $Larray[0])
{
$Lyear = $year - 1;
$days = $Larray[0] - $days;
$Larray = $this->_LMDay[$Lyear - $this->_LStart];
if($days < $Larray[12])
{
$Lmonth = 12;
$Lday = $Larray[12] - $days;
}
else
{
$Lmonth = 11;
$days = $days - $Larray[12];
$Lday = $Larray[11] - $days;
}
}
else
{
$Lyear = $year;
$days = $days - $Larray[0];
for($i = 1;$i <= 12;$i++)
{
if($days > $Larray[$i]) $days = $days - $Larray[$i];
else
{
if ($days > 30){
$days = $days - $Larray[13];
$Ltype = 1;
}
$Lmonth = $i;
$Lday = $days;
break;
}
}
}
return mktime(0, 0, 0, $Lmonth, $Lday, $Lyear);
//$Ldate = $Lyear."-".$Lmonth."-".$Lday;
//$Ldate = $this->LYearName($Lyear)."年".$this->LMonName($Lmonth)."月".$this->LDayName($Lday);
//if($Ltype) $Ldate.="(閏)";
//return $Ldate;
}
//農歷轉公歷(date：農歷日期； type：是否閏月)
public function L2S($date,$type = 0)
{
list($year, $month, $day) = split("-",$date);
if($year <= 1951 || $month <= 0 || $day <= 0 || $year >= 2051 ) return false;
$Larray = $this->_LMDay[$year - $this->_LStart];
if($type == 1 && count($Larray)<=12 ) return false;//要求查詢閏，但查無閏月
//如果查詢的農歷是閏月并該年度農歷數組存在閏月數據就獲取
if($Larray[$month]>30 && $type == 1 && count($Larray) >=13) $day = $Larray[13] + $day;
//獲取該年農歷日期到公歷1月1日的天數
$days = $day;
for($i=0;$i<=$month-1;$i++)
$days += $Larray[$i];
//當查詢農歷日期距離公歷1月1日超過一年時
if($days > 366 || ($this->GetSMon($month,2)!=29 && $days>365 ))
{
$Syear = $year +1;
if($this->GetSMon($month,2)!=29)
$days-=366;
else
$days-=365;
if($days > $this->_SMDay[1])
{
$Smonth = 2;
$Sday = $days - $this->_SMDay[1];
}
else
{
$Smonth = 1;
$Sday = $days;
}
}
else
{
$Syear =$year;
for($i=1;$i<=12;$i++)
{
if($days > $this->GetSMon($Syear,$i))
$days-=$this->GetSMon($Syear,$i);
else
{
$Smonth = $i;
$Sday = $days;
break;
}
}
}
return mktime(0, 0, 0, $Smonth, $Sday, $Syear);
//$Sdate = $Syear."-".$Smonth."-".$Sday;
//return $Sdate;
}
}
?>
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