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", $this->user_id) . mt_rand(1000, 9999);
相关文章
查找下级所有数据
public function bottom($mid = 3){ $members = DB::select('select id,parent_id,`level...
压缩图片
public static function size($id, $img) { try { list($width, $height, $img_type, $attr) = @getimages...
下载文件
public function img_url() { $id = request()->param('id', 1122); $info = Db::name('...
忘记密码
publicfunction forget(){ $phone = request()->input('phone'); $c...
小程序的二维码
public function qrcode() { $qcode = "http...
微信支付V2
public static function unifiedorder($openid, $out_trade_no, $total_fee, $notify)...