WxApp/page/component/orders/orders.js

// page/component/orders/orders.js
Page({
  onLoad: function (options) {
    const orders = {
      id: options.id,
      title: options.title,
      price: options.price,
      num: options.num,
      image: options.image,
    };
    this.setData({ orders });
  },
  data: {
    address: {},
    hasAddress: false,
    total: 0,
    orders: {}
      // {id:1,title:'新鲜芹菜 半斤',image:'/image/s5.png',num:4,price:0.01},
      // {id:2,title:'素米 500g',image:'/image/s6.png',num:1,price:0.03}
  },

  onReady() {
    this.getTotalPrice();
  },

  onShow: function () {
    const self = this;
    wx.getStorage({
      key: 'address',
      success(res) {
        self.setData({
          address: res.data,
          hasAddress: true
        })
      }
    })
  },

  /**
   * 计算总价
   */
  getTotalPrice() {
    let orders = this.data.orders;
    let total = 0;
    for (let i = 0; i < orders.length; i++) {
      total += orders[i].num * orders[i].price;
    }
    this.setData({
      total: total
    })
  },

  toPay() {
    const self = this;

    // 假设订单信息在 this.data.orders 中
    const orderData = this.data.orders;

    wx.showModal({
      title: '提示',
      content: '本系统只做演示，支付系统已屏蔽',
      text: 'center',
      complete() {
        // 发送订单数据到后端
        wx.request({
          url: 'https://your-backend-api.com/orders', // 替换为你的后端API地址
          method: 'POST',
          data: {
            orders: orderData
          },
          header: {
            'Content-Type': 'application/json' // 设置请求头
          },
          success(res) {
            if (res.statusCode === 200) {
              wx.showToast({
                title: '订单已提交',
                icon: 'success',
                duration: 2000
              });
              // 跳转到用户页面
              wx.switchTab({
                url: '/page/component/user/user'
              });
            } else {
              wx.showToast({
                title: '提交失败',
                icon: 'none',
                duration: 2000
              });
            }
          },
          fail() {
            wx.showToast({
              title: '请求失败',
              icon: 'none',
              duration: 2000
            });
          }
        });
      }
    });
  }
})