whereDate('created_at', Carbon::today())->count() + 1; $len = config('payment.refund_no_counter_length'); $prefix = config('payment.refund_no_counter_prefix'); $len = $len < 6 ? 6 : $len; $len = $len > 16 ? 16 : $len; $model->refund_no = $prefix.date('YmdHis'). sprintf('%06d', $time[0] * 1e6). sprintf('%0'.$len.'d', $counter); }); } /** * Notes : 支付订单 * * @Date : 2021/6/1 11:13 上午 * @Author : < Jason.C > * @return \Illuminate\Database\Eloquent\Relations\BelongsTo */ public function payment(): BelongsTo { return $this->belongsTo(Payment::class); } }