原文链接:http://www.51ask.org/question/235
function get_order_sn() { mt_srand((double) microtime() * 1000000); return date('Ymd') . str_pad(mt_rand(1, 99999), 5, '0', STR_PAD_LEFT); }
原文链接:http://www.51ask.org/question/235
function get_order_sn() { mt_srand((double) microtime() * 1000000); return date('Ymd') . str_pad(mt_rand(1, 99999), 5, '0', STR_PAD_LEFT); }