申请扣款

委托代扣可应用于定期扣款或需事后扣款以期提高效率的场景。例如高速，停车场等通过用户授权给商户，进行委托扣款的场景。注：扣费请求首先按签约协议中记录的优先支付方式扣费，否则从可用扣款方式中依次选择扣款。扣款接口请求成功，返回success仅代表扣款申请受理成功，不代表扣款成功。扣款是否成功以支付通知的结果为准。 官方文档

wxpay.v2.vehicle.pay.payapply.post({
  appid,
  mch_id,
  nonce_str,
  sign_type,
  body,
  detail,
  attach,
  out_trade_no,
  total_fee,
  fee_type,
  spbill_create_ip,
  goods_tag,
  notify_url,
  trade_type,
  version,
  trade_scene,
  openid,
  profit_sharing,
  scene_info,
  start_time,
  end_time,
  charging_time,
  plate_number,
  car_type,
  parking_name,
  deduct_mode,
  support_deduct_mode,
  space_number,
  gas_station,
  gas_label_name,
  gas_type,
  gas_standard,
  gas_amount,
  gas_gun_no,
  entrance_name,
  exit_name,
  carrying_capacity,
  carrying_range,
  channel_type,
})
.then(
  ({ 
    data: {
      return_code,
      return_msg,
      appid,
      mch_id,
      device_info,
      nonce_str,
      sign,
      result_code,
      err_code,
      err_code_des,
    },
  }) => ({
    return_code,
    return_msg,
    appid,
    mch_id,
    device_info,
    nonce_str,
    sign,
    result_code,
    err_code,
    err_code_des,
  })
)