<?PHP //今天 $today = date("Y-m-d"); 昨天 $yesterday = date("Y-m-d",strtotime(date("Y-m-d"))-86400上周 $lastweek_start = date("Y-m-d H:i:s",1)">mktime(0,1)">date("m"),1)">date("d")-date("w")+1-7,1)">date("Y"))); $lastweek_end = mktime(23,59,1)">date("w")+7-7,1)">))); 本周 $thisweek_start = date("w")+1,1)">$thisweek_end = date("w")+7,1)">上月 $lastmonth_start = date("m")-1,1,1)">$lastmonth_end = 本月 $thismonth_start = $thismonth_end = date("t"),1)">本季度未最后一月天数 $getMonthDays = date("t",1)">date('n')+(date('n')-1)%3,1)">本季度/ $thisquarter_start = date('Y-m-d H:i:s',1)">date('n')-(date('Y'$thisquarter_end = $getMonthDays,1)">))); ?>