摘要： <?php$pagestartime=microtime();?><!--网页内容 start-->网页内容......<!--网页内容 end--><?$pageendtime = microtime();$starttime = explode(" ",$pagestartime);$endtime = explode(" ",$pageendtime);$totaltime = $endtime[0]+$endtime[1]-$starttime[0]-$starttime[1];$timecost = s 阅读全文