今天是圣诞节，用了半天做了一个节日祝福语和节日主题，效果还不错。可以在洋节和中国节日（包括农历节日 春节、中秋节等等）当天更换王柏元的博客的节日主题，并在站点公告里送上节日祝福语。 下面是关键的PHP类：Lunar。其中的getFestival()函数可传入的实参是不定数目的，可以通过传入的公历年月日，不传入默认是当前的服务器时间，函数实现了判断指定日期是否是已经设定的节日：比如中秋节、春节，同时还输出节日祝福语或诗句，返回的形式是一个数组。其余几个函数实现了获取公历和农历之间的转换，农历还支持返回当前日期农历的天干地支纪年以及生肖。 
PHP获取农历和节日
lunarInfo\[$year-$this->MIN_YEAR\];
if($year==$this->MIN_YEAR&&$month<=2&&$date<=9){
return array(1891,'正月','初一','辛卯',1,1,'兔');
}
return $this->getLunarByBetween($year,$this->getDaysBetweenSolar($year,$month,$date,$yearData\[1\],$yearData\[2\]));
}
/\*\*
\* 将阴历转换为阳历
\* @param year 阴历-年
\* @param month 阴历-月，闰月处理：例如如果当年闰五月，那么第二个五月就传六月，相当于阴历有13个月，只是有的时候第13个月的天数为0
\* @param date 阴历-日
*/
function convertLunarToSolar($year,$month,$date){
$yearData = $this->lunarInfo\[$year-$this->MIN_YEAR\];
$between = $this->getDaysBetweenLunar($year,$month,$date);
$res = mktime(0,0,0,$yearData\[1\],$yearData\[2\],$year);
$res = date('Y-m-d',$res+$between\*24\*60*60);
$day = split_date($res);
$year = $day\[0\];
$month= $day\[1\];
$day = $day\[2\];
return array($year, $month, $day);
}
/\*\*
\* 判断是否是闰年
\* @param year
*/
function isLeapYear($year){
return (($year%4==0 && $year%100 !=0) || ($year%400==0));
}
/\*\*
\* 获取干支纪年
\* @param year
*/
function getLunarYearName($year){
$sky = array('庚','辛','壬','癸','甲','乙','丙','丁','戊','己');
$earth = array('申','酉','戌','亥','子','丑','寅','卯','辰','巳','午','未');
$year = $year.'';
return $sky\[$year{3}\].$earth\[$year%12\];
}
/\*\*
\* 根据阴历年获取生肖
\* @param year 阴历年
*/
function getYearZodiac($year){
$zodiac = array('猴','鸡','狗','猪','鼠','牛','虎','兔','龙','蛇','马','羊');
return $zodiac\[$year%12\];
}
/\*\*
\* 获取阳历月份的天数
\* @param year 阳历-年
\* @param month 阳历-月
*/
function getSolarMonthDays($year,$month){
$monthHash = array('1'=>31,'2'=>$this->isLeapYear($year)?29:28,'3'=>31,'4'=>30,'5'=>31,'6'=>30,'7'=>31,'8'=>31,'9'=>30,'10'=>31,'11'=>30,'12'=>31);
return $monthHash\["$month"\];
}
/\*\*
\* 获取阴历月份的天数
\* @param year 阴历-年
\* @param month 阴历-月，从一月开始
*/
function getLunarMonthDays($year,$month){
$monthData = $this->getLunarMonths($year);
return $monthData\[$month-1\];
}
/\*\*
\* 获取阴历每月的天数的数组
\* @param year
*/
function getLunarMonths($year){
$yearData = $this->lunarInfo\[$year - $this->MIN_YEAR\];
$leapMonth = $yearData\[0\];
$bit = decbin($yearData\[3\]);
for ($i = 0; $i < strlen($bit);$i ++) {
$bitArray\[$i\] = substr($bit, $i, 1);
}
for($k=0,$klen=16-count($bitArray);$k<$klen;$k++){
array_unshift($bitArray, '0');
}
$bitArray = array_slice($bitArray,0,($leapMonth==0?12:13));
for($i=0; $i
lunarInfo\[$year-$this->MIN_YEAR\];
$monthArray = $this->getLunarYearMonths($year);
$len = count($monthArray);
return ($monthArray\[$len-1\]==0?$monthArray\[$len-2\]:$monthArray\[$len-1\]);
}
function getLunarYearMonths($year){
//debugger;
$monthData = $this->getLunarMonths($year);
$res=array();
$temp=0;
$yearData = $this->lunarInfo\[$year-$this->MIN_YEAR\];
$len = ($yearData\[0\]==0?12:13);
for($i=0;$i<$len;$i++){
$temp=0;
for($j=0;$j<=$i;$j++){
$temp+=$monthData\[$j\];
}
array_push($res, $temp);
}
return $res;
}
/\*\*
\* 获取闰月
\* @param year 阴历年份
*/
function getLeapMonth($year){
$yearData = $this->lunarInfo\[$year-$this->MIN_YEAR\];
return $yearData\[0\];
}
/\*\*
\* 计算阴历日期与正月初一相隔的天数
\* @param year
\* @param month
\* @param date
*/
function getDaysBetweenLunar($year,$month,$date){
$yearMonth = $this->getLunarMonths($year);
$res=0;
for($i=1;$i<$month;$i++){
$res +=$yearMonth\[$i-1\];
}
$res+=$date-1;
return $res;
}
/\*\*
\* 计算2个阳历日期之间的天数
\* @param year 阳历年
\* @param cmonth
\* @param cdate
\* @param dmonth 阴历正月对应的阳历月份
\* @param ddate 阴历初一对应的阳历天数
*/
function getDaysBetweenSolar($year,$cmonth,$cdate,$dmonth,$ddate){
$a = mktime(0,0,0,$cmonth,$cdate,$year);
$b = mktime(0,0,0,$dmonth,$ddate,$year);
return ceil(($a-$b)/24/3600);
}
/\*\*
\* 根据距离正月初一的天数计算阴历日期
\* @param year 阳历年
\* @param between 天数
*/
function getLunarByBetween($year,$between){
//debugger;
$lunarArray = array();
$yearMonth=array();
$t=0;
$e=0;
$leapMonth=0;
$m='';
if($between==0){
array_push($lunarArray, $year,'正月','初一');
$t = 1;
$e = 1;
}else{
$year = $between>0? $year : ($year-1);
$yearMonth = $this->getLunarYearMonths($year);
$leapMonth = $this->getLeapMonth($year);
$between = $between>0?$between : ($this->getLunarYearDays($year)+$between);
for($i=0;$i<13;$i++){
if($between==$yearMonth\[$i\]){
$t=$i+2;
$e=1;
break;
}else if($between<$yearMonth\[$i\]){
$t=$i+1;
$e=$between-(empty($yearMonth\[$i-1\])?0:$yearMonth\[$i-1\])+1;
break;
}
}
$m = ($leapMonth!=0&&$t==$leapMonth+1)?('闰'.$this->getCapitalNum($t- 1,true)):$this->getCapitalNum(($leapMonth!=0&&$leapMonth+1<$t?($t-1):$t),true);
array_push($lunarArray,$year,$m,$this->getCapitalNum($e,false));
}
array_push($lunarArray,$this->getLunarYearName($year));//天干地支
array_push($lunarArray,$t,$e);
array_push($lunarArray,$this->getYearZodiac($year));//12生肖
array_push($lunarArray,$leapMonth);//闰几月
return $lunarArray;
}
/\*\*
\* 获取数字的阴历叫法
\* @param num 数字
\* @param isMonth 是否是月份的数字
*/
function getCapitalNum($num,$isMonth){
$isMonth = $isMonth || false;
$dateHash=array('0'=>'','1'=>'一','2'=>'二','3'=>'三','4'=>'四','5'=>'五','6'=>'六','7'=>'七','8'=>'八','9'=>'九','10'=>'十 ');
$monthHash=array('0'=>'','1'=>'正月','2'=>'二月','3'=>'三月','4'=>'四月','5'=>'五月','6'=>'六月','7'=>'七月','8'=>'八月','9'=>'九月','10'=>'十月','11'=>'冬月','12'=>'腊月');
$res='';
if($isMonth){
$res = $monthHash\[$num\];
}else{
if($num<=10){
$res = '初'.$dateHash\[$num\];
}else if($num>10&&$num<20){
$res = '十'.$dateHash\[$num-10\];
}else if($num==20){
$res = "二十";
}else if($num>20&&$num<30){
$res = "廿".$dateHash\[$num-20\];
}else if($num==30){
$res = "三十";
}
}
return $res;
}
function getFestival(){
$festivals=array(
array(
array(
"date"=>"正月初一",
"info"=>"春节",
"wish"=>"春回大地风光好，福满人间喜事多。"
),
array(
"date"=>"正月初二",
"info"=>"新春",
"wish"=>"春回大地风光好，福满人间喜事多。"
),
array(
"date"=>"正月初三",
"info"=>"新春",
"wish"=>"春回大地风光好，福满人间喜事多。"
),
array(
"date"=>"正月十五",
"info"=>"元宵节",
"wish"=>"火树银花合，星桥铁锁开。"
),
array(
"date"=>"七月初七",
"info"=>"七夕",
"wish"=>"七夕今宵看碧霄，牵牛织女渡河桥。"
),
array(
"date"=>"八月十五",
"info"=>"中秋",
"wish"=>"但愿人长久，千里共婵娟！"
),
array(
"date"=>"腊月廿九",
"info"=>"除夕",
"wish"=>"爆竹声中一岁除，春风送暖入屠苏。"
),
array(
"date"=>"腊月三十",
"info"=>"除夕",
"wish"=>"爆竹声中一岁除，春风送暖入屠苏。"
)
),
array(
array(
"date"=>"1/1",
"info"=>"元旦"
),
array(
"date"=>"2/14",
"info"=>"情人节"
),
array(
"date"=>"10/1",
"info"=>"国庆节"
),
array(
"date"=>"12/25",
"info"=>"圣诞节",
"wish"=>"Merry Christmas！"
)
)
);
$args = func\_get\_args();
$y=isset($args\[0\])? $args\[0\]:date("Y");
$m=isset($args\[1\])? $args\[1\]:date("m");
$d=isset($args\[2\])? $args\[2\]:date("d");
$result=array();
$result\["is"\]=false;
$ldate=$this->convertSolarToLunar($y,$m,$d);
$day=$m."/".$d;
$lday=$ldate\[1\]."".$ldate\[2\];
for($i=0;$i
愿闻其详
农历1991年之前的转成公历数据不对。