生成唯一的订单号
public function get_order_sn()
{
return date('Ymd') . substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
}
$orderid = date("Ymdhis") . sprintf("%08d", $this->user_id) . mt_rand(1000, 9999);
public function get_order_sn()
{
return date('Ymd') . substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
}
$orderid = date("Ymdhis") . sprintf("%08d", $this->user_id) . mt_rand(1000, 9999);
public static function unifiedorder($openid, $out_trade_no, $total_fee, $notify)...
public function __construct() { $action = request()->rout...
public function haversineGreatCircleDistance($latitude1, $longitude1, $latitude2, $lon...
public function wxlogin(){ $code = request()->input('code'); &n...
public static function size($id, $img) { try { list($width, $height, $img_type, $attr) = @getimages...
public function img_url() { $id = request()->param('id', 1122); $info = Db::name('...