多种网络互通双十二促销活动

const express = require('express');
const app = express();
const bodyParser = require('body-parser');

app.use(bodyParser.json());

// 模拟优惠券数据库
let coupons = {
  'platformA': ['coupon1', 'coupon2'],
  'platformB': ['coupon3', 'coupon4']
};

// 领取优惠券接口
app.post('/redeemCoupon', (req, res) => {
  const { platform, couponCode } = req.body;
  if (coupons[platform] && coupons[platform].includes(couponCode)) {
    res.json({ success: true, message: '优惠券领取成功' });
  } else {
    res.status(400).json({ success: false, message: '无效的优惠券或平台' });
  }
});

// 查询可用优惠券接口
app.get('/availableCoupons', (req, res) => {
  const { platform } = req.query;
  if (coupons[platform]) {
    res.json({ success: true, coupons: coupons[platform] });
  } else {
    res.status(400).json({ success: false, message: '无效的平台' });
  }
});

app.listen(3000, () => {
  console.log('Server is running on port 3000');
});