开发中,经常用到时间的一些例子,比如昨天,今天,前天,近七天,一周等等。这里整理了一个时间的完整类实例,直接实例化,有需要的可以看看
以下直接代码
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<?php header( "Content-type:text/html;Charset=utf-8" ); class time{ private $year ; //年 private $month ; //月 private $day ; //天 private $hour ; //小时 private $minute ; //分钟 private $second ; //秒 private $microtime ; //毫秒 private $weekday ; //星期 private $longDate ; //完整的时间格式 private $diffTime ; //两个时间的差值 //返回年份 time:时间格式为时间 2018-8-21 function getyear( $time = "" , $type = "" ){ if ( $time == "" ){ $time =time(); } if ( $type ==1){ return $this ->year= date ( "y" , $time ); //返回两位的年份 18 } else { return $this ->year= date ( "Y" , $time ); //返回四位的年份 2018 } } //返回当前时间的月份 time:时间格式为时间 2018-8-21 function getmonth( $time = "" , $type = "" ){ if ( $time == "" ){ $time =time(); } switch ( $type ){ case 1: $this ->month= date ( "n" , $time ); //返回格式 8 break ; case 2: $this ->month= date ( "m" , $time ); //返回格式 08 break ; case 3: $this ->month= date ( "M" , $time ); //返回格式 Aug break ; case 4: $this ->month= date ( "F" , $time ); //返回格式 August break ; default : $this ->month= date ( "n" , $time ); } return $this ->month; } //返回当前时间的天数 time:时间格式为时间 2018-8-21 function getday( $time = "" , $type = "" ){ if ( $time == "" ){ $time =time(); } if ( $type ==1){ $this ->day= date ( "d" , $time ); //返回格式 21 } else { $this ->day= date ( "j" , $time ); //返回格式 21 } return $this ->day; } //返回当前时间的小时 2018-08-21 1:19:21 20:19:21 function gethour( $time = "" , $type = "" ){ if ( $time == "" ){ $time =time(); } switch ( $type ){ case 1: $this ->hour= date ( "H" , $time ); //格式: 1 20 break ; case 2: $this ->hour= date ( "h" , $time ); //格式 01 08 break ; case 3: $this ->hour= date ( "G" , $time ); //格式 1 20 break ; case 4: $this ->hour= date ( "g" , $time ); //格式 1 8 break ; default : $this ->hour= date ( "H" , $time ); } return $this ->hour; } //返回当前时间的分钟数 1:9:18 function getminute( $time = "" , $type = "" ){ if ( $time == "" ){ $time =time(); } $this ->minute= date ( "i" , $time ); //格式 09 return $this ->minute; } //返回当前时间的秒数 20:19:01 function getsecond( $time = "" , $type = "" ){ if ( $time == "" ){ $time =time(); } $this ->second= date ( "s" , $time ); //格式 01 return $this ->second; } //返回当前时间的星期数 function getweekday( $time = "" , $type = "" ){ if ( $time == "" ){ $time =time(); } if ( $type ==1){ $this ->weekday= date ( "D" , $time ); //格式 Sun } else if ( $type ==2){ $this ->weekday= date ( "l" , $time ); //格式 Sunday } else { $this ->weekday= date ( "w" , $time ); //格式 数字表示 0--6 } return $this ->weekday; } //比较两个时间的大小 格式 2018-8-21 8:4:3 function compare( $time1 , $time2 ){ $time1 = strtotime ( $time1 ); $time2 = strtotime ( $time2 ); if ( $time1 >= $time2 ){ //第一个时间大于等于第二个时间 返回1 否则返回0 return 1; } else { return -1; } } //比较两个时间的差值 function diffdate( $time1 = "" , $time2 = "" ){ //echo $time1.'------'.$time2.'<br>'; if ( $time1 == "" ){ $time1 = date ( "Y-m-d H:i:s" ); } if ( $time2 == "" ){ $time2 = date ( "Y-m-d H:i:s" ); } $date1 = strtotime ( $time1 ); $date2 = strtotime ( $time2 ); if ( $date1 > $date2 ){ $diff = $date1 - $date2 ; } else { $diff = $date2 - $date1 ; } if ( $diff >=0){ $day = floor ( $diff /86400); $hour = floor (( $diff %86400)/3600); $minute = floor (( $diff %3600)/60); $second = floor (( $diff %60)); $this ->diffTime= '相差' . $day . '天' . $hour . '小时' . $minute . '分钟' . $second . '秒' ; } return $this ->diffTime; } //返回 X年X月X日 function buildDate( $time = "" , $type = "" ){ if ( $type ==1){ $this ->longDate = $this ->getyear( $time ) . '年' . $this ->getmonth( $time ) . '月' . $this ->getday( $time ) . '日' ; } else { $this ->longDate = $this ->getyear( $time ) . '年' . $this ->getmonth( $time ) . '月' . $this ->getday( $time ) . '日' . $this ->gethour( $time ). ':' . $this ->getminute( $time ). ':' . $this ->getsecond( $time ); } return $this ->longDate; } } ?> |
实例化一个对象
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<?php $time_var = "2018-08-21" ; $obj = new time(); $year = $obj ->getyear( $time_var ); echo ( $year ); ?> |
以上其他的方法也可以按照上面那个例子,输出你想要得到的日期,在开发过程中,可以直接放入在扩展库里,直接引用!
原文链接:https://blog.csdn.net/liuxingjiaoyuC/article/details/112692677
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