namespace ConsoleApp1
{
    class shopItem
    {
        public int price;

        public shopItem(int price)
        {
            this.price = price;
        }

    }
    class Program
    {
        static void Main(string[] args)
        {
            List<shopItem> shopItems = new List<shopItem>();//创建一个List来存放商店物品
            shopItems.Add(new shopItem(3));//往List中添加每个物品的价格
            shopItems.Add(new shopItem(1));
            shopItems.Add(new shopItem(2));

            shopItems.Sort((a, b) => { return a.price > b.price ? 1 : -1; });//使用Sort方法对List进行排序，按照价格从低到高排序
        }
    }
}