coco点餐小程序

<!-- index.wxml -->
<view class="container">
  <view class="menu-item" wx:for="{{menu}}" wx:key="id">
    <text>{{item.name}}</text>
    <text>{{item.price}}元</text>
    <button bindtap="addToCart" data-id="{{item.id}}">添加到购物车</button>
  </view>
  <button bindtap="checkout">去结算</button>
</view>

// index.js
Page({
  data: {
    menu: [
      { id: 1, name: '宫保鸡丁', price: 25 },
      { id: 2, name: '鱼香肉丝', price: 22 },
      // 更多菜品...
    ],
    cart: []
  },
  addToCart(e) {
    const id = e.currentTarget.dataset.id;
    const item = this.data.menu.find(menuItem => menuItem.id === id);
    this.data.cart.push(item);
    this.setData({ cart: this.data.cart });
  },
  checkout() {
    // 处理结算逻辑，跳转到支付页面
    wx.navigateTo({
      url: '/pages/payment/payment'
    });
  }
});

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

app.use(bodyParser.json());

let menu = [
  { id: 1, name: '宫保鸡丁', price: 25 },
  { id: 2, name: '鱼香肉丝', price: 22 },
  // 更多菜品...
];

app.get('/api/menu', (req, res) => {
  res.json(menu);
});

app.post('/api/order', (req, res) => {
  const order = req.body;
  // 处理订单逻辑，保存到数据库
  console.log('Received order:', order);
  res.json({ status: 'success' });
});

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