阳历转阴历功能

1,设计思路:

要想计算给定的时间对于的农历是哪一天,我们需要找一个参考时间,然后以该参考时间计算以后的时间。首先计算当前时间与参考时间相差的天数,然后通过求出农历每年的天数,计算当前时间对应的是哪一年的第几天,最后计算出属于那个月的哪一个日期。

2,新建Convert.class.php文件;

对转换功能进行封装,代码如下:

<?php
header("Content-type:text/html;charset=utf-8");
class Convert{
    private $animals=array("鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪");
    private $curData=null;//当前阳历时间
    private $ylYeal=0;
    private $ylMonth=0;
    private $yldate=0;
    private $ylDays=0; //当前日期是农历年的第多少天
    private $leap=0;//代表润哪一个月
    private $leapDays=0;//代表闰月的天数
    private $difmonth=0;//当前时间距离参考时间相差多少月
    private $difDay=0;//当前时间距离参考时间相差多少天
    private $tianGan=array("甲","乙","丙","丁","戊","己","庚","辛","壬","癸");
    private $diZhi=array("子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥");
    private $dataInfo=array(0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,//1900-1909
        0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,//1910-1919
        0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,//1920-1929
        0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,//1930-1939
        0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,//1940-1949
        0x06ca0,0x0b550,0x15355,0x04da0,0x0a5b0,0x14573,0x052b0,0x0a9a8,0x0e950,0x06aa0,//1950-1959
        0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,//1960-1969
        0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b6a0,0x195a6,//1970-1979
        0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,//1980-1989
        0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,//1990-1999
        0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,//2000-2009
        0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,//2010-2019
        0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,//2020-2029
        0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,//2030-2039
        0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0,//2040-2049
        /**Add By JJonline@JJonline.Cn**/
        0x14b63,0x09370,0x049f8,0x04970,0x064b0,0x168a6,0x0ea50, 0x06b20,0x1a6c4,0x0aae0,//2050-2059
        0x0a2e0,0x0d2e3,0x0c960,0x0d557,0x0d4a0,0x0da50,0x05d55,0x056a0,0x0a6d0,0x055d4,//2060-2069
        0x052d0,0x0a9b8,0x0a950,0x0b4a0,0x0b6a6,0x0ad50,0x055a0,0x0aba4,0x0a5b0,0x052b0,//2070-2079
        0x0b273,0x06930,0x07337,0x06aa0,0x0ad50,0x14b55,0x04b60,0x0a570,0x054e4,0x0d160,//2080-2089
        0x0e968,0x0d520,0x0daa0,0x16aa6,0x056d0,0x04ae0,0x0a9d4,0x0a2d0,0x0d150,0x0f252,//2090-2099
        0x0d520);
    public function __construct($curData=null){
        if(!empty($curData)){
            $this->curData=$curData;
        }else{
            $this->curData=date('Y-n-j');
        }
        $this->init();
    }
    public function init(){
        $basedate='1900-2-1';//参照日期
        $timezone='PRC';
        $datetime= new DateTime($basedate, new DateTimeZone($timezone));
        $curTime=new DateTime($this->curData, new DateTimeZone($timezone));
        $offset   = ($curTime->format('U') - $datetime->format('U'))/86400; //相差的天数
        $offset=ceil($offset);
        $this->difDay=$offset;
        $offset+=1;//只能使用ceil,不能使用intval或者是floor,因为1900-1-31为正月初一,故需要加1
        for($i=1900; $i<2050 && $offset>0; $i++){
            $temp = $this->getYearDays($i); //计算i年有多少天
            $offset -= $temp ;
            $this->difmonth+=12;
            //判断该年否存在闰月
            if($this->leapMonth($i)>0){
                $this->difmonth+=1;
            }
        }
        if($offset<0){
            $offset += $temp;
            $i--;
            $this->difmonth-=12;
        }
        if($this->leapMonth($i)>0){
            $this->difmonth-=1;
        }
        $this->ylDays=$offset;
        //此时$offset代表是农历该年的第多少天
        $this->ylYeal=$i;//农历哪一年
        //计算月份,依次减去1~12月份的天数,直到offset小于下个月的天数
        $curMonthDays=$this->monthDays($this->ylYeal,1);
        //判断是否该年是否存在闰月以及闰月的天数
        $this->leap=$this->leapMonth($this->ylYeal);
        if($this->leap !=0){
            $this->leapDays=$this->leapDays($this->ylYeal);
        }
        for($i=1;$i<13 && $curMonthDays<$offset;$curMonthDays=$this->monthDays($this->ylYeal,++$i)){
            if($this->leap == $i){ //闰月
                if($offset>$this->leapDays){
                    --$i;
                    $offset-=$this->leapDays;
                    $this->difmonth+=1;
                }else{
                    break;
                }
            }else{
                $offset-=$curMonthDays;
                $this->difmonth+=1;
            }
        }
        $this->ylMonth=$i;
        $this->yldate=$offset;
    }
    /**
     *计算农历y年有多少天
     **/
    public function getYearDays($y){
        $sum = 348;//12*29=348,不考虑小月的情况下
        for($i=0x8000; $i>=0x10; $i>>=1){
            $sum += ($this->dataInfo[$y-1900] & $i)? 1: 0;
        }
        return($sum+$this->leapDays($y));
    }
    /**
     *获取某一年闰月的天数
     **/
    public function leapDays($y){
        if($this->leapMonth($y)){
            return(($this->dataInfo[$y-1900] & 0x10000)? 30: 29);
        } else {
            return(0);
        }
    }
    /**
     *计算哪一月为闰月
     */
    public  function leapMonth($y){
        return ($this->dataInfo[$y-1900] & 0xf);
    }
    /**
     *计算农历y年m月有多少天
     */
    public function monthDays($y,$m){
        return (($this->dataInfo[$y-1900] & (0x10000>>$m))? 30: 29 );
    }
    public function getLyTime(){
        $tmp=array('初','一','二','三','四','五','六','七','八','九','十','廿');
        $dateStr='';
        if($this->ylMonth>10){
            $m2=intval($this->ylMonth -10); //十位
            $dateStr='十'.$tmp[$m2].'月';
        }elseif($this->ylMonth==1){
            $dateStr='正月';
        }else{
            $dateStr=$tmp[$this->ylMonth].'月';
        }
        if($this->yldate <11){
            $dateStr.='初'.$tmp[$this->yldate];
        }else{
            $m1=intval($this->yldate / 10);
            if( $m1 !=3){
                $dateStr.=($m1==1)?'十':'廿';
                $m2=$this->yldate % 10;
                if($m2==0){
                    $dateStr.='十';
                }else{
                    $dateStr.=$tmp[$m2];
                }
            }else{
                $dateStr.='三十';
            }
        }
        return $dateStr;
    }
    /**
     *获取该年对于的天干地支年
     **/
    public function getYGanZhi(){
        $gan=$this->tianGan[($this->ylYeal-4) % 10];
        $zhi=$this->diZhi[($this->ylYeal-4) % 12];
        return $gan.$zhi.'年';
    }
    /**
     *获取该年对于的天干地支月
     **/
    public function getMGanZhi(){
        $gan=$this->tianGan[($this->difmonth+3) % 10];
        $zhi=$this->diZhi[($this->difmonth+1) % 12];
        return $gan.$zhi.'月';
    }
    /**
     *获取该年对于的天干地支日
     **/
    public function getDGanZhi(){
        $gan=$this->tianGan[$this->difDay % 10];
        $zhi=$this->diZhi[($this->difDay+4) % 12];
        return $gan.$zhi.'日';
    }
}

修改calendar.php代码:

新加get请求:

echo "<th onmouseOver='overTh(this)' onmouseOut='outTh(this)'><a href='?convert=$ymd'>{$d}</a></th>";

调用封装类:

<?php
$convert=isset($_GET["convert"])?$_GET["convert"]:date("Y-m-d");
if($convert!=''){
   $c=new Convert($convert);
   $time=$c->getLyTime();
//    echo $convert.'对应的农历时间:'.$time;
}
echo "<tr onmouseOver='overTr(this)'onmouseOut='outTr(this)'><td colspan='7' align='center'>";
echo "<div>$convert 对应的农历时间:$time</div>";

运行效果如下:

gif5新文件 (44).gif

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<?php echo "阳历转阴历";
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