这里给定一个时间，计算这个时间在多久前，比如：2天前，1年前 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 ?php function prettyDate($date){ $time = strtotime($date); $now = time(); $ago = $now - $time; if($ago 60){ $when = round($ago); $s = ($when == 1)?second:seconds; return $when $s ago; }elseif($ago 3600){ $when = round($ago / 60); $m = ($when == 1)?minute:minutes; return $when $m ago; }elseif($ago = 3600 $ago 86400){ $when = round($ago / 60 / 60); $h = ($when == 1)?hour:hours; return $when $h ago; }elseif($ago = 86400 $ago 2629743.83){ $when = round($ago / 60 / 60 / 24); $d = ($when == 1)?day:days; return $when $d ago; }elseif($ago = 2629743.83 $ago 31556926){ $when = round($ago / 60 / 60 / 24 / 30.4375); $m = ($when == 1)?month:months; return $when $m ago; }else{ $when = round($ago / 60 / 60 / 24 / 365); $y = ($when == 1)?year:years; return $when $y ago; } } echo prettyDate(2012-07-22 12:23:45).br /; echo prettyDate(2010-11-12 22:25:45).br /; echo prettyDate(2012-01-01 01:00:00).br /; echo prettyDate(2001-05-30 00:00:00).br /;