项目结构图：
App_start文件夹中的文件是VS自己创建的，其中NinjectWebCommon类在创建之初并不存在。后面会再次提到！
添加一个Home控制器。代码如下：
using EssentialTools.Models;using Ninject;using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Mvc;namespace EssentialTools.Controllers{ ???public class HomeController : Controller ???{ ???????private IValueCalculator calc; ???????Product[] products ={ ???????new Product{Name="Kayak",Category="Watersports",Price=275M}, ???????new Product{Name="LifeJacket",Category="Watersports",Price=48.95M}, ???????new Product{Name="Soccer Ball",Category="Soccer",Price=19.50M}, ???????new Product{Name="Corner Flag",Category="Soccer",Price=34.95M} ???????}; ???????public HomeController(IValueCalculator calcParam) ???????{ ???????????calc = calcParam; ???????} ???????public ActionResult Index() ???????{ ?????????????????????????//IKernel ninjectKernel = new StandardKernel(); ???????????//ninjectKernel.Bind<IValueCalculator>().To<LinqValueCalculator>(); ???????????//LinqValueCalculator calc = new LinqValueCalculator(); ???????????//return View(calc.ValueProducts(products)); ???????????ShoppingCart cart = new ShoppingCart(calc) { Products = products }; ???????????decimal totalValue = cart.CalculateProductTotal(); ???????????return View(totalValue); ???????} ??????????}}为控制器中的Index方法添加视图。代码如下：
@model decimal@{ ???ViewBag.Title = "Index"; ???Layout = null;}<div> Total value is $@Model</div>创建Infrastructure文件夹，在该文件夹下创建Ninject的依赖解析器。代码如下：
using EssentialTools.Models;using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Mvc;using Ninject;namespace EssentialTools.Infrastructure{ ???public class NinjectDependencyResolver : IDependencyResolver ???{ ???????private IKernel kernel; ???????public NinjectDependencyResolver(IKernel knernelParam) ???????{ ???????????kernel = knernelParam; ???????????AddBindings(); ???????} ???????public object GetService(Type serviceType) ???????{ ???????????return kernel.TryGet(serviceType); ???????} ???????public IEnumerable<object> GetServices(Type serviceType) ???????{ ???????????return kernel.GetAll(serviceType); ???????} ???????private void AddBindings() ???????{ ???????????kernel.Bind<IValueCalculator>().To<LinqValueCalculator>(); ???????} ???}}在Models文件夹中攒关键1个接口，3个类。代码如下：
using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace EssentialTools.Models{ ???public interface IValueCalculator ???{ ???????decimal ValueProducts(IEnumerable<Product> products); ???}}using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace EssentialTools.Models{ ???public class LinqValueCalculator : IValueCalculator ???{ ???????public decimal ValueProducts(IEnumerable<Product> products) ???????{ ???????????return products.Sum(p => p.Price); ???????} ???}}using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace EssentialTools.Models{ ???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; } ???}}using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace EssentialTools.Models{ ???public class ShoppingCart ???{ ???????IValueCalculator calc; ???????public ShoppingCart(IValueCalculator calcParam) ???????{ ???????????calc = calcParam; ???????} ???????public IEnumerable<Product> Products { get; set; } ???????public decimal CalculateProductTotal() ???????{ ???????????return calc.ValueProducts(Products); ???????} ???}}使用nuget安装Ninject
工具→库程序包管理器→程序包管理器控制台
安装ninject内核包:
install-package Ninject -version 3.0.1.10 ?
安装ninject内核包的拓展包：
install-package Ninject.Web.Common -version 3.0.0.7
对MVC3的引用（在mvc5中仍能用到）
install-package ninject.mvc3 -version 3.0.0.6
版本号最好带上，不带版本号，可能会出错！
安装好了之后NinjectWebCommon.cs文件就会出现。这时候需要为该类中的RegisterServices方法添加代码（注册依赖解析器）
RegisterServices方法代码如下：
private static void RegisterServices(IKernel kernel) ???????{ ???????????System.Web.Mvc.DependencyResolver.SetResolver( ???????????????new EssentialTools.Infrastructure.NinjectDependencyResolver(kernel)); ???????}对浏览器发出请求到控制器处理请求这段时间发生的事！
1、浏览器向MVC框架发送一个请求Home的URL，MVC框架推测出该请求意指Home控制器，于是会创建HomeController类实例。
2、MVC框架在创建HomeController类实例过程中会发现其构造器有一个对IValueCalculator接口的依赖项，于是会要求依赖项解析器对此依赖项进行解析， 将该接口指定为依赖项解析器中的GetService方法所使用的类型参数。
3、依赖项解析器会将传递过来的类型参数交给TryGet方法，要求Ninject创建一个新的HomeController接口实例。
4、Ninect会检测到HomeController构造器与其实现类LilnqValueCalculator具有绑定关系，于是为该接口创建一个LinqValueCalculator类实例，并将其回递给依赖项解析器。
5、依赖项解析器将Ninject所返回的LilnqValueCalculator类作为IValueCalculator接口实现类实例回递给MVC框架
6、MVC框架利用依赖项解析器返回的接口类实例创建HomeController控制器实例，并使用该控制器实例对请求进行服务。
在MVC项目中使用Ninject
原文地址：https://www.cnblogs.com/vichin/p/8595371.html