PHP 实现公历日期与农历日期的互转换

PHP 实现公历日期与农历日期的互转换

前言：

今天根据客户的需求对时间进行了转换，就是客户要求增加农历日期的显示，在网上抄袭了一段，稍微修改了一下运行成功了，不难的，改动的很少的.

示例代码：

<?php
/*
 *
 * 陈海波   新二级页面 农历转换成公历
 *
 * */
// lunar.php   新建这个php文件，所有的代码无需改，需要改的是下面teacher.php 的几行
class Lunar
{
 private $_SMDay = array(1 => 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);//定义公历月分天数
 private $_LStart = 1950 ;//农历从1950年开始
 private $_LMDay = array(
  //差：该年的农历正月初一到该年公历1月1日的天数；1~12：农历月份天数；闰：如有闰月，记录该月平月天数
  //  差 1 2 3 4 5 6 7 8 9 10 11 12 闰
  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 闰五月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 闰三月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 闰八月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 闰六月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 闰四月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 闰三月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 闰七月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 闰五月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 闰四月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 闰八月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 闰六月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 闰四月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 闰十月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 闰六月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 闰五月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 闰三月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 闰八月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 闰五月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 闰四月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 闰二月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 闰七月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 闰五月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 闰四月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 闰九月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 闰六月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 闰四月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 闰二月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 闰六月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 闰五月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 闰三月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 闰十一月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 闰六月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 闰五月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 闰二月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 闰七月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 闰五月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 闰三月30
 );
  //是否闰年
  private function IsLeapYear($AYear)
  {
   return ($AYear % 4 == 0) && (($AYear % 100 != 0) || ($AYear % 400 == 0));
  }
  //公历该月的天数(year：年份； month：月份)
  private function GetSMon($year,$month)
  {
    if($this->IsLeapYear($year) && $month == 2)
       return 29;
    else
      return $this->_SMDay[$month];
  }
   //农历名称转换
  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 $day;
  }
   //公历转农历(Sdate：公历日期)
  public function S2L($date)
  {
    list($year, $month, $day) = explode("-", $date);
    if($year <= 1951 || $month <= 0 || $day <= 0 || $year >= 2051 ) return false;
     //获取查询日期到当年1月1日的天数
    $date1 = strtotime($year."-01-01");//当年1月1日
    $date2 = strtotime($year."-".$month."-".$day);
    $days=round(($date2-$date1)/3600/24);
    $days += 1;
     //获取相应年度农历数据，化成数组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.="(闰)";
     //return $Ldate;
   }
   //农历转公历(date：农历日期； type：是否闰月)
   public function L2S($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($Larray)<=12 ) return false;//要求查询闰，但查无闰月
     //如果查询的农历是闰月并该年度农历数组存在闰月数据就获取
     if($Larray[$month]>30 && $type == 1 && count($Larray) >=13)  $day = $Larray[13] + $day;
     //获取该年农历日期到公历1月1日的天数
     $days = $day;
     for($i=0;$i<=$month-1;$i++)
       $days += $Larray[$i];
    //当查询农历日期距离公历1月1日超过一年时
    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;
   }
 }
?>

teacher.php

  //公历转农历
 require_once(CORE_."Lunar.php");  // 加载lunar.php文件
 $today = date("Y-m-d");
 $lunar = new Lunar();       // 实例化类
 $nonglitime = array();
 $nl = date("Y-n-d",$lunar->S2L($today));
 echo $nl;exit;  // 转为农历是:2012-05-25

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