/*

* 节气通用算法

*/

function getJieQi()

{

header("Content-Type:text/html;charset=utf-8");

$_year=I("year");

$month=I("month");

$day=I("day");

$year = substr($_year,-2)+0;

$coefficient = array(

array(5.4055,2019,-1),//小寒

array(20.12,2082,1),//大寒

array(3.87),//立春

array(18.74,2026,-1),//雨水

array(5.63),//惊蛰

array(20.646,2084,1),//春分

array(4.81),//清明

array(20.1),//谷雨

array(5.52,1911,1),//立夏

array(21.04,2008,1),//小满

array(5.678,1902,1),//芒种

array(21.37,1928,1),//夏至

array(7.108,2016,1),//小暑

array(22.83,1922,1),//大暑

array(7.5,2002,1),//立秋

array(23.13),//处暑

array(7.646,1927,1),//白露

array(23.042,1942,1),//秋分

array(8.318),//寒露

array(23.438,2089,1),//霜降

array(7.438,2089,1),//立冬

array(22.36,1978,1),//小雪

array(7.18,1954,1),//大雪

array(21.94,2021,-1)//冬至

);

$term_name = array(

"小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨",

"立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑",

"白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至");

$idx1 = ($month-1)*2;

$_leap_value = floor(($year-1)/4);

$day1 = floor($year*0.2422+$coefficient[$idx1][0])-$_leap_value;

if(isset($coefficient[$idx1][1])&&$coefficient[$idx1][1]==$_year) $day1 += $coefficient[$idx1][2];

$day2 = floor($year*0.2422+$coefficient[$idx1+1][0])-$_leap_value;

if(isset($coefficient[$idx1+1][1])&&$coefficient[$idx1+1][1]==$_year) $day1 += $coefficient[$idx1+1][2];

//echo __FILE__.'->'.__LINE__.' $day1='.$day1,',$day2='.$day2.'
'.chr(10);

$data=array();

if($day

$data['name1']=$term_name[$idx1-1];

$data['name2']=$term_name[$idx1-1].'后';

}else if($day==$day1){

$data['name1']=$term_name[$idx1];

$data['name2']=$term_name[$idx1];

}else if($day>$day1 && $day

$data['name1']=$term_name[$idx1];

$data['name2']=$term_name[$idx1].'后';

}else if($day==$day2){

$data['name1']=$term_name[$idx1+1];

$data['name2']=$term_name[$idx1+1];

}else if($day>$day2){

$data['name1']=$term_name[$idx1+1];

$data['name2']=$term_name[$idx1+1].'后';

}

echo json_encode($data);

}