一码多付双十一优惠活动

// 引入支付SDK
const wxPay = require('wxpay-sdk');
const alipay = require('alipay-sdk');

// 初始化支付对象
const wxPayInstance = new wxPay({
  appId: 'your_wx_app_id',
  mchId: 'your_wx_mch_id',
  apiKey: 'your_wx_api_key'
});

const alipayInstance = new alipay({
  appId: 'your_alipay_app_id',
  privateKey: 'your_alipay_private_key',
  alipayPublicKey: 'your_alipay_public_key'
});

// 生成支付二维码
function generateQRCode(orderId, amount) {
  const wxPayParams = {
    orderId,
    amount,
    // 其他必要参数
  };
  const alipayParams = {
    orderId,
    amount,
    // 其他必要参数
  };

  const wxPayQRCode = wxPayInstance.createQRCode(wxPayParams);
  const alipayQRCode = alipayInstance.createQRCode(alipayParams);

  return { wxPayQRCode, alipayQRCode };
}

// 处理支付回调
function handlePaymentCallback(req, res) {
  const { orderId, paymentMethod } = req.body;

  if (paymentMethod === 'wxpay') {
    wxPayInstance.verifyCallback(req.body);
    // 更新订单状态等业务逻辑
  } else if (paymentMethod === 'alipay') {
    alipayInstance.verifyCallback(req.body);
    // 更新订单状态等业务逻辑
  }

  res.send('success');
}