今天::$start_time=mktime(0,0,0,date('m'),date('d'),date('Y'));$end_time=mktime(0,0,0,date('m'),date('d')+1,date('Y'))-1;明天:$start_time=mktime(0,0,0,date('m'),date('d'),date('Y'))+86400;$end_time=mktime(0,0,0,date('m'),date('d')+1,date('Y'))-1+86400;本周:$start_time=mktime(0,0,0,date('m'),date('d')-date('w')+1,date('Y'));$end_time=mktime(23,59,59,date('m'),date('d')-date('w')+7,date('Y'));本周末:$start_time=mktime(0,0,0,date('m'),date('d')-date('w')+6,date('Y'));$end_time=mktime(23,59,59,date('m'),date('d')-date('w')+7,date('Y'));本月:$start_time=mktime(0,0,0,date('m'),1,date('Y'));$end_time=mktime(23,59,59,date('m'),date('t'),date('Y'));一个月的开始和结束时间戳:$date="2017-09";$date_arr=explode('-',$date);$start_time=mktime(0,0,0,date($date_arr[1]),1,date($date_arr[0]));$end_time=mktime(23,59,59,date($date_arr[1]),date('t',$start_time),date($date_arr[0]));