会议小程序年末促销

<!-- index.wxml -->
<view class="container">
  <text class="title">年末大促</text>
  <view class="product">
    <image src="/images/product.jpg" mode="aspectFit"></image>
    <text class="price">¥{{discountPrice}}</text>
    <button bindtap="addToCart">立即购买</button>
  </view>
  <button class="promo-button" bindtap="participatePromo">参与抽奖</button>
</view>

// index.js
Page({
  data: {
    discountPrice: 99.99
  },
  addToCart: function() {
    wx.navigateTo({
      url: '/pages/cart/cart'
    });
  },
  participatePromo: function() {
    wx.navigateTo({
      url: '/pages/promo/promo'
    });
  }
});

const express = require('express');
const app = express();

app.get('/api/promo/discount', (req, res) => {
  const discount = calculateDiscount(); // 假设这是一个计算折扣的函数
  res.json({ discount });
});

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