两个日期类

发布: 2007-7-14 19:53 | 作者: 佚名 | 来源: 网络转载 | 查看: 10次 | 进入软件测试论坛讨论

<?
/**
 这是公历和农历类的定义，由于php的日期计算限制，所以只能计算1970-1938之间的时间
 农历类的计算方法使用了林洵贤先生的算法，在此表示感谢！在joy Asp可以找到林先生的大作(javascript)
*/

/**
* 日期类
* 本对象套用JavaScript的日期对象的方法
* 设置$mode属性，可兼容JavaScript日期对象
*/
class Date {
 var $time = 0;
 var $mode = 0; // 本属性为与JavaScript兼容而设，$mode=1为JavaScript方式
 var $datemode = "Y-m-d H:i:s"; // 日期格式 "Y-m-d H:i:s"，可自行设定
 function Date($t=0) {
 if($t == 0)
 $this->time = time();
 }
 /**
 * 返回从GMT时间1970年1月1日0时开始的毫秒数
 */
 function getTime() {
 $temp = gettimeofday();
 return $temp[sec]*1000+round($temp[usec]/1000);
 }
 /**
 * 返回年份
 */
 function getYear() {
 $temp = getdate($this->time);
 return $temp[year];
 }
 /**
 * 返回月份
 */
 function getMonth() {
 $temp = getdate($this->time);
 return $temp[mon]-$this->mode;
 }
 /**
 * 返回日期
 */
 function getDate() {
 $temp = getdate($this->time);
 return $temp[mday];
 }
 /**
 * 返回星期
 */
 function getDay() {
 $temp = getdate($this->time);
 return $temp[wday]-$this->mode;
 }
 /**
 * 返回小时
 */
 function getHours() {
 $temp = getdate($this->time);
 return $temp[hours];
 }
 /**
 * 返回分
 */
 function getMinutes() {
 $temp = getdate($this->time);
 return $temp[minutes];
 }
 /**
 * 返回秒
 */
 function getSeconds() {
 $temp = getdate($this->time);
 return $temp[seconds];
 }
 /**
 * 设定年份
 * php 4.0.6 year 1970 -- 2038
 */
 function setYear($val) {
 $temp = getdate($this->time);
 $temp[year] = $val;
 $this->set_time($temp);
 }
 /**
 * 设定月份
 */
 function setMonth($val) {
 $temp = getdate($this->time);
 $temp[mon] = $val+$this->mode;
 $this->set_time($temp);
 }
 /**
 * 设定日期
 */
 function setDate($val) {
 $temp = getdate($this->time);
 $temp[mday] = $val;
 $this->set_time($temp);
 }
 /**
 * 设定星期
 */
 function setDay($val) {
 $temp = getdate($this->time);
 $temp[wday] = $val+$this->mode;
 $this->set_time($temp);
 }
 /**
 * 设定小时
 */
 function setHours($val) {
 $temp = getdate($this->time);
 $temp[hours] = $val;
 $this->set_time($temp);
 }
 /**
 * 设定分
 */
 function setMinutes($val) {
 $temp = getdate($this->time);
 $temp[minutes] = $val;
 $this->set_time($temp);
 }
 /**
 * 设定秒
 */
 function setSeconds($val) {
 $temp = getdate($this->time);
 $temp[seconds] = $val;
 $this->set_time($temp);
 }
 /**
 * 返回系统格式的字符串
 */
 function toLocaleString() {
 return date($this->datemode,$this->time);
 }
 /**
 * 使用GTM时间创建一个日期值
 */
 function UTC($year,$mon,$mday,$hours=0,$minutes=0,$seconds=0) {
 $this->time = mktime($hours,$minutes,$seconds,$mon,$mday,$year);
 return $this->time;
 }
 /**
 * 等价于DateAdd(interval,number,date)
 * 返回已添加指定时间间隔的日期。
 * Inetrval为表示要添加的时间间隔字符串表达式，例如分或天
 * number为表示要添加的时间间隔的个数的数值表达式
 * Date表示日期
 *
 * Interval(时间间隔字符串表达式)可以是以下任意值:
 * yyyy year年
 * q Quarter季度
 * m Month月
 * y Day of year一年的数
 * d Day天
 * w Weekday一周的天数
 * ww Week of year周
 * h Hour小时
 * n Minute分
 * s Second秒
 * w、y和d的作用是完全一样的，即在目前的日期上加一天，q加3个月，ww加7天。
 */
 function Add($interval, $number, $date) {
 $date = Date::get_time($date);
 $date_time_array = getdate($date);
 $hours = $date_time_array["hours"];
 $minutes = $date_time_array["minutes"];
 $seconds = $date_time_array["seconds"];
 $month = $date_time_array["mon"];
 $day = $date_time_array["mday"];
 $year = $date_time_array["year"];
 switch ($interval) {
 case "yyyy": $year +=$number; break;
 case "q": $month +=($number*3); break;
 case "m": $month +=$number; break;
 case "y":
 case "d":
 case "w": $day+=$number; break;
 case "ww": $day+=($number*7); break;
 case "h": $hours+=$number; break;
 case "n": $minutes+=$number; break;
 case "s": $seconds+=$number; break;
 }
 $temptime = mktime($hours ,$minutes, $seconds,$month ,$day, $year);
 return $temptime;
 }
 /**
 * 等价于DateDiff(interval,date1,date2)
 * 返回两个日期之间的时间间隔
 * intervals(时间间隔字符串表达式)可以是以下任意值:
 * w 周
 * d 天
 * h 小时
 * n 分钟
 * s 秒
 */
 function Diff($interval, $date1,$date2) {
 // 得到两日期之间间隔的秒数
 $timedifference = Date::get_time($date2) - Date::get_time($date1);
 switch ($interval) {
 case "w": $retval = bcdiv($timedifference ,604800); break;
 case "d": $retval = bcdiv( $timedifference,86400); break;
 case "h": $retval = bcdiv ($timedifference,3600); break;
 case "n": $retval = bcdiv( $timedifference,60); break;
 case "s": $retval = $timedifference; break;
 }
 return $retval;
 }

 /**
 * 输出，根据需要直接修改本函数或在派生类中重写本函数
 */
 function display() {
 $nStr = array('日','一','二','三','四','五','六');
 echo sprintf("%4d年%2d月%2d日星期%s ",$this->getYear(),$this->getMonth(),$this->getDate(),$nStr[$this->getDay()%7]);
 }
 /**
 * 工作函数
 */
 function set_time(&$ar) {
 $this->time = mktime($ar[hours],$ar[minutes],$ar[seconds],$ar[mon],$ar[mday],$ar[year]);
 }
 /**
 * 转换为UNIX时间戳
 */
 function get_time($d) {
 if(is_numeric($d))
 return $d;
 else {
 if(! is_string($d)) return 0;
 if(ereg(":",$d)) {
 $buf = split(" +",$d);
 $year = split("[-/]",$buf[0]);
 $hour = split(":",$buf[1]);
 if(eregi("pm",$buf[2]))
 $hour[0] += 12;
 return mktime($hour[0],$hour[1],$hour[2],$year[1],$year[2],$year[0]);
 }else {
 $year = split("[-/]",$d);
 return mktime(0,0,0,$year[1],$year[2],$year[0]);
 }
 }
 }
} // 日期类定义结束
?>

<?
/**
* 农历类
*/
class Lunar {
 var $year;
 var $month;
 var $day;
 var $isLeap;
 var $yearCyl;
 var $dayCyl;
 var $monCyl;
 var $time;
 var $lunarInfo = array(
 0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,
 0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,
 0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,
 0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,
 0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,
 0x06ca0,0x0b550,0x15355,0x04da0,0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,
 0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,
 0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b5a0,0x195a6,
 0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,
 0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,
 0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,
 0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,
 0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,
 0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,
 0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0,
 0x14b63);

 /**
 * 传回农历 y年的总天数
 */
 function lYearDays($y) {
 $sum = 348;
 for($i=0x8000; $i>0x8; $i>>=1)
 $sum += ($this->lunarInfo[$y-1900] & $i)? 1: 0;
 return $sum+$this->leapDays($y);
 }
 /**
 * 传回农历 y年闰月的天数
 */
 function leapDays($y) {
 if($this->leapMonth($y))
 return ($this->lunarInfo[$y-1900] & 0x10000)? 30: 29;
 else return 0;
 }
 /**
 * 传回农历 y年闰哪个月 1-12 , 没闰传回 0
 */
 function leapMonth($y) {
 return $this->lunarInfo[$y-1900] & 0xf;
 }
 /**
 * 传回农历 y年m月的总天数
 */
 function monthDays($y,$m) {
 return ($this->lunarInfo[$y-1900] & (0x10000>>$m))? 30: 29;
 }
 /**
 * 创建农历日期对象
 */
 function Lunar($objDate,$month=1,$day=1) {
 $leap=0;
 $temp=0;
 if(is_object($objDate))
 $this->time = mktime(0,0,0,$objDate->getMonth(),$objDate->getDate(),$objDate->getYear());
 else {
 $year = $objDate;
 $this->time = mktime(0,0,0,$month,$day,$year);
 if($year < 1970) {
 return;
 $temp = 0;
 for($i=1970; $i>$year; $i--) {
 $temp = $this->lYearDays($i);
 $offset -= $temp;
 }
 }
 }
 $offset = round($this->time/86400+25537);

 $this->dayCyl = $offset + 40;
 $this->monCyl = 14;

 for($i=1900; $i<$year && $offset>0; $i++) {
 $temp = $this->lYearDays($i);
 $offset -= $temp;
 $this->monCyl += 12;
 }

 if($offset<0) {
 $offset += $temp;
 $i--;
 $this->monCyl -= 12;
 }

 $this->year = $i;
 $this->yearCyl = $i-1864;
 $leap = $this->leapMonth($i); //闰哪个月

 $this->isLeap = false;
 for($i=1; $i<13 && $offset>0; $i++) {
 //闰月
 if($leap>0 && $i==($leap+1) && $this->isLeap==false) {
 $i--;
 $this->isLeap = true;
 $temp = $this->leapDays($this->year);
 }else {
 $temp = $this->monthDays($this->year, $i);
 }

 //解除闰月
 if($this->isLeap==true && $i==($leap+1))
 $this->isLeap = false;

 $offset -= $temp;
 if($this->isLeap == false)
 $this->monCyl ++;
 }

 if($offset==0 && $leap>0 && $i==$leap+1)
 if($this->isLeap)
 $this->isLeap = false;
 else {
 $this->isLeap = true;
 $i--;
 $this->monCyl--;
 }

 if($offset<0) {
 $offset += $temp;
 $i--;
 $this->monCyl--;
 }

 $this->month = $i;
 $this->day = $offset + 1;
 }

 function cyclical($num) {
 $Gan = Array("甲","乙","丙","丁","戊","己","庚","辛","壬","癸");
 $Zhi = Array("子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥");
 return $Gan[$num%10].$Zhi[$num%12];
 }
 /**
 * 输出，根据需要直接修改本函数或在派生类中重写本函数
 */
 function display() {
 $nStr = array(' ','正','二','三','四','五','六','七','八','九','十','十一','腊');
 echo sprintf("农历 %s%s月%s ",($this->isLeap?"闰":""),$nStr[$this->month],$this->cDay($this->day));
 echo sprintf("%s年 %s月 %s日",$this->cyclical($this->yearCyl),$this->cyclical($this->monCyl),$this->cyclical($this->dayCyl));
 }
 /**
 * 中文日期
 */
 function cDay($d) {
 $nStr1 = array('日','一','二','三','四','五','六','七','八','九','十');
 $nStr2 = array('初','十','廿','卅','　');

 switch($d) {
 case 10:
 $s = '初十';
 break;
 case 20:
 $s = '二十';
 break;
 case 30:
 $s = '三十';
 break;
 default :
 $s = $nStr2[floor($d/10)];
 $s .= $nStr1[$d%10];
 }
 return $s;
 }
} // 农历类定义结束
?>

<?
// 测试例

$d = new Date;
echo " 现在是：";
$d->display();

$d->setYear(2037);
echo " 现在是：";
echo $d->getYear()."年";
echo $d->getMonth()."月";
echo $d->getDate()."日";
echo " 星期".$d->getDay()." ";
echo $d->getHours()."时";
echo $d->getMinutes()."分";
echo $d->getSeconds()."秒 ";

$d->UTC(1998,10,2,22,0,8);
echo $d->toLocaleString()." ";

$d = new Date;
$ld = new Lunar($d);
$d->display();
$ld->display();
$d->UTC(1998,10,2,22,0,8);
$ld = new Lunar($d);
$d->display();
$ld->display();
$ld = new Lunar(2002,2,12);
$ld->display();

echo __LINE__." ";

$d1 = "2002-01-11";
$d2 = date("Y-m-d",$d->add("d",35,$d1));

echo $d1."的". Date::diff("d",$d1,$d2)."天后是$d2 ";
echo $d1."的10天前是".date("Y-m-d",Date::add("d",-10,$d1))." ";
$d3 = date("Y/m/d H:i:s");
echo "现在是".$d3."距离2002/2/12 12:59:59还有".Date::diff("s",$d3,"2002/2/12 12:59:59")."秒 ";
?>