public class HomeController : Controller    {        public ActionResult Index()        {
                //核心对象            IKernel ninjectKernel = new StandardKernel();                   ninjectKernel.Bind
     
      ().To
      
       ();             //方案1：获取接口实例            IValueCaculator calImpl = ninjectKernel.Get
       
        ();            //方案2:自身绑定            //ShoppingCart cart = ninjectKernel.Get
        
         ();            //cart1.Products = new List
         
          () { new Product() { Category = "food", Price = 12 }, new Product() { Category = "books", Price = 30 }, new Product() { Category = "wine", Price = 40 } };            ShoppingCart cart = new ShoppingCart(calImpl) { Products = new List
          
            { new Product() { Category = "food", Price = 12 }, new Product() { Category = "books", Price = 30 }, new Product() { Category = "wine", Price = 40 } } }; var sum=cart.Cal(); return View(); } public ActionResult About() { return View(); } } public class Product { public int ProductId { get; set; } public string Name { get; set; } public string Description { get; set; } public decimal Price { get; set; } public string Category { get; set; } } public interface IValueCaculator { decimal ValueProduct(IEnumerable
           
             products); } public class LinqValueCalcalator : IValueCaculator { public decimal ValueProduct(IEnumerable
            
              products) { return products.Sum(a => a.Price); } } public class ShoppingCart { protected IValueCaculator valueCaculator; public ShoppingCart(IValueCaculator caculator) { valueCaculator = caculator; } public IEnumerable
             
               Products { get; set; } public decimal Cal() { return valueCaculator.ValueProduct(Products); } }