通过商户订单号查询订单

商户可以通过先享卡订单号或商户订单号查询用户目前的先享卡使用情况、订单状态，可用于对账或者界面展示。 官方文档

wxpay.v3.discountCard.orders.outTradeNo._out_trade_no_.get({
  out_trade_no,
})
.then(
  ({ 
    data: {
      out_order_no,
      discount_card_id,
      out_trade_no,
      appid,
      service_id,
      order_id,
      transaction_id,
      openid,
      card_begin_time,
      card_end_time,
      card_name,
      objective_description,
      reward_description,
      estimated_reward_amount,
      online_instructions,
      offline_instructions,
      state,
      total_amount,
      deduction_amount,
      settlement_amount,
      create_time,
      pay_time,
      objectives,
      rewards,
    },
  }) => ({
    out_order_no,
    discount_card_id,
    out_trade_no,
    appid,
    service_id,
    order_id,
    transaction_id,
    openid,
    card_begin_time,
    card_end_time,
    card_name,
    objective_description,
    reward_description,
    estimated_reward_amount,
    online_instructions,
    offline_instructions,
    state,
    total_amount,
    deduction_amount,
    settlement_amount,
    create_time,
    pay_time,
    objectives,
    rewards,
  })
)