array (
  'item' => 
  array (
  ),
  'coupon' => '',
  'discount' => 0,
  'PaymentFee' => 0.3,
  'Total' => 0.3,
  'number' => 0,
  'Subtotal' => 0,
  'Subtotal_off' => 0,
  'userCouponJson' => '',
  'vip_discount' => 0,
  'vip_level' => 0,
  'vip_discount_rate' => 0,
)