如何使用Go语言开发点餐系统的营销活动功能

go version

package main

import "fmt"

type Coupon struct {
    ID     int64  // 优惠券ID
    Name   string // 优惠券名称
    Amount int64  // 优惠金额
}

func main() {
    coupon := Coupon{
        ID:     1,
        Name:   "全场通用券-满100减20",
        Amount: 20,
    }

    fmt.Println("领取优惠券:", coupon.Name)
}

package main

import (
    "fmt"
    "github.com/chanxuehong/wechat/message/news"
    "github.com/chanxuehong/wechat/mp/core"
)

func main() {
    // 初始化微信公众号消息管道
    wc := core.New("AppID", "AppSecret", "Token")

    // 发送图文消息
    newsMessage := news.NewList([]news.Item{
        {
            Title:    "特惠推荐",
            Digest:   "精选菜品尝鲜，全场五折起！",
            PicURL:   "http://www.example.com/images/1.jpg",
            URL:      "http://www.example.com/activity/1",
        },
        {
            Title:    "满减优惠",
            Digest:   "满100减50，还等什么？",
            PicURL:   "http://www.example.com/images/2.jpg",
            URL:      "http://www.example.com/activity/2",
        },
    })

    // 推送图文消息给所有关注者
    err := wc.BroadcastSend(newsMessage.ToJsonString(), "mpnews")
    if err != nil {
        fmt.Println(err)
        return
    }

    fmt.Println("消息推送成功！")
}