Autofac

程序集准备

Assembly:

Autofac/Autofac.Integration.Mvc/System.Web.Mvc/System.Web.Helpers/System.Web.WebPages.Deployment/System.Web.WebPages/

System.Web.WebPages.Razor

版本：

Autofac:3.5.00

Autofac.Integration.Mvc：3.3.0.0

System.Web.Mvc：5.2.3.0

System.Web.Helpers：3.0.0.0

System.Web.WebPages.Deployment：3.0.0.0

System.Web.WebPages:3.0.0.0

System.Web.WebPages.Razor:3.0.0.0

开始

webconfig，packages.config   因为重新引入版本的缘故改下

   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35"/>
         <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0"/>
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Autofac" publicKeyToken="17863af14b0044da" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-3.5.0.0" newVersion="3.5.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35"/>
         <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0"/>
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>
         <bindingRedirect oldVersion="1.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
       </dependentAssembly>
     </assemblyBinding>
   </runtime>

 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="bootstrap" version="3.0.0" targetFramework="net45" />
   <package id="jQuery" version="1.10.2" targetFramework="net45" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.Mvc.zh-Hans" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.Razor.zh-Hans" version="3.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages.zh-Hans" version="3.2.3" targetFramework="net45" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net45" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net45" developmentDependency="true" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
   <package id="Modernizr" version="2.6.2" targetFramework="net45" />
 </packages>

Core部分

贴代码

1.ContainerManager

    /// <summary>
    /// Container manager
    /// </summary>
    public class ContainerManager
    {
        private readonly IContainer _container;

        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="container">Conainer</param>
        public ContainerManager(IContainer container)
        {
            this._container = container;
        }

        /// <summary>
        /// Gets a container
        /// </summary>
        public virtual IContainer Container
        {
            get
            {
                return _container;
            }
        }

        /// <summary>
        /// Resolve
        /// </summary>
        /// <typeparam name="T">Type</typeparam>
        /// <param name="key">key</param>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <returns>Resolved service</returns>
        public virtual T Resolve<T>(string key = "", ILifetimeScope scope = null) where T : class
        {
            if (scope == null)
            {
                //no scope specified
                scope = Scope();
            }
            if (string.IsNullOrEmpty(key))
            {
                return scope.Resolve<T>();
            }
            return scope.ResolveKeyed<T>(key);
        }

        /// <summary>
        /// Resolve
        /// </summary>
        /// <param name="type">Type</param>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <returns>Resolved service</returns>
        public virtual object Resolve(Type type, ILifetimeScope scope = null)
        {
            if (scope == null)
            {
                //no scope specified
                scope = Scope();
            }
            return scope.Resolve(type);
        }

        /// <summary>
        /// Resolve all
        /// </summary>
        /// <typeparam name="T">Type</typeparam>
        /// <param name="key">key</param>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <returns>Resolved services</returns>
        public virtual T[] ResolveAll<T>(string key = "", ILifetimeScope scope = null)
        {
            if (scope == null)
            {
                //no scope specified
                scope = Scope();
            }
            if (string.IsNullOrEmpty(key))
            {
                return scope.Resolve<IEnumerable<T>>().ToArray();
            }
            return scope.ResolveKeyed<IEnumerable<T>>(key).ToArray();
        }

        /// <summary>
        /// Resolve unregistered service
        /// </summary>
        /// <typeparam name="T">Type</typeparam>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <returns>Resolved service</returns>
        public virtual T ResolveUnregistered<T>(ILifetimeScope scope = null) where T : class
        {
            return ResolveUnregistered(typeof(T), scope) as T;
        }

        /// <summary>
        /// Resolve unregistered service
        /// </summary>
        /// <param name="type">Type</param>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <returns>Resolved service</returns>
        public virtual object ResolveUnregistered(Type type, ILifetimeScope scope = null)
        {
            if (scope == null)
            {
                //no scope specified
                scope = Scope();
            }
            var constructors = type.GetConstructors();
            foreach (var constructor in constructors)
            {
                try
                {
                    var parameters = constructor.GetParameters();
                    var parameterInstances = new List<object>();
                    foreach (var parameter in parameters)
                    {
                        var service = Resolve(parameter.ParameterType, scope);
                        if (service == null) throw new Exception("Unknown dependency");
                        parameterInstances.Add(service);
                    }
                    return Activator.CreateInstance(type, parameterInstances.ToArray());
                }
                catch (Exception)
                {
                    // ignored
                }
            }
            throw new Exception("No constructor  was found that had all the dependencies satisfied.");
        }

        /// <summary>
        /// Try to resolve srevice
        /// </summary>
        /// <param name="serviceType">Type</param>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <param name="instance">Resolved service</param>
        /// <returns>Value indicating whether service has been successfully resolved</returns>
        public virtual bool TryResolve(Type serviceType, ILifetimeScope scope, out object instance)
        {
            if (scope == null)
            {
                //no scope specified
                scope = Scope();
            }
            return scope.TryResolve(serviceType, out instance);
        }

        /// <summary>
        /// Check whether some service is registered (can be resolved)
        /// </summary>
        /// <param name="serviceType">Type</param>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <returns>Result</returns>
        public virtual bool IsRegistered(Type serviceType, ILifetimeScope scope = null)
        {
            if (scope == null)
            {
                //no scope specified
                scope = Scope();
            }
            return scope.IsRegistered(serviceType);
        }

        /// <summary>
        /// Resolve optional
        /// </summary>
        /// <param name="serviceType">Type</param>
        /// <param name="scope">Scope; pass null to automatically resolve the current scope</param>
        /// <returns>Resolved service</returns>
        public virtual object ResolveOptional(Type serviceType, ILifetimeScope scope = null)
        {
            if (scope == null)
            {
                //no scope specified
                scope = Scope();
            }
            return scope.ResolveOptional(serviceType);
        }

        /// <summary>
        /// Get current scope
        /// </summary>
        /// <returns>Scope</returns>
        public virtual ILifetimeScope Scope()
        {
            try
            {
                if (HttpContext.Current != null)
                    return AutofacDependencyResolver.Current.RequestLifetimeScope;

                //when such lifetime scope is returned, you should be sure that it'll be disposed once used (e.g. in schedule tasks)
                return Container.BeginLifetimeScope(MatchingScopeLifetimeTags.RequestLifetimeScopeTag);
            }
            catch (Exception)
            {
                //we can get an exception here if RequestLifetimeScope is already disposed
                //for example, requested in or after "Application_EndRequest" handler
                //but note that usually it should never happen

                //when such lifetime scope is returned, you should be sure that it'll be disposed once used (e.g. in schedule tasks)
                return Container.BeginLifetimeScope(MatchingScopeLifetimeTags.RequestLifetimeScopeTag);
            }
        }
    }

2.IDependencyRegistrar----注入的接口实现控制器等等都需要继承这个接口

    /// <summary>
    /// Dependency registrar interface
    /// </summary>
    public interface IDependencyRegistrar
    {
        /// <summary>
        /// Register services and interfaces
        /// </summary>
        /// <param name="builder">Container builder</param>
        /// <param name="typeFinder">Type finder</param>
        void Register(ContainerBuilder builder, ITypeFinder typeFinder);

        /// <summary>
        /// Order of this dependency registrar implementation
        /// </summary>
        int Order { get; }
    }

3.AppDomainTypeFinder----这个循环匹配所有匹配的程序集，项目名称不可以匹配其中的关键字 不然注入不了，自定义生成的程序集也可以添加到匹配列表里

    public class AppDomainTypeFinder : ITypeFinder
    {
        #region Fields

        private bool ignoreReflectionErrors = true;
        private bool loadAppDomainAssemblies = true;
        private string assemblySkipLoadingPattern = "^System|^mscorlib|^Microsoft|^AjaxControlToolkit|^Antlr3|^Autofac|^AutoMapper|^Castle|^ComponentArt|^CppCodeProvider|^DotNetOpenAuth|^EntityFramework|^EPPlus|^FluentValidation|^ImageResizer|^itextsharp|^log4net|^MaxMind|^MbUnit|^MiniProfiler|^Mono.Math|^MvcContrib|^Newtonsoft|^NHibernate|^nunit|^Org.Mentalis|^PerlRegex|^QuickGraph|^Recaptcha|^Remotion|^RestSharp|^Rhino|^Telerik|^Iesi|^TestDriven|^TestFu|^UserAgentStringLibrary|^VJSharpCodeProvider|^WebActivator|^WebDev|^WebGrease";
        private string assemblyRestrictToLoadingPattern = ".*";
        private IList<string> assemblyNames = new List<string>();

        #endregion

        #region Properties

        /// <summary>要查找的应用程序域</summary>
        public virtual AppDomain App
        {
            get { return AppDomain.CurrentDomain; }
        }

        /// <summary>获取或设置在加载类型时是否应该迭代应用程序域中的程序集。 加载模式在加载这些组件时应用。</summary>
        public bool LoadAppDomainAssemblies
        {
            get { return loadAppDomainAssemblies; }
            set { loadAppDomainAssemblies = value; }
        }

        /// <summary>除了在AppDomain中加载的组件之外，获取或设置组件加载的启动。</summary>
        public IList<string> AssemblyNames
        {
            get { return assemblyNames; }
            set { assemblyNames = value; }
        }

        /// <summary>获取我们知道不需要调查的dll的模式.</summary>
        public string AssemblySkipLoadingPattern
        {
            get { return assemblySkipLoadingPattern; }
            set { assemblySkipLoadingPattern = value; }
        }

        /// <summary>Gets or sets the pattern for dll that will be investigated. For ease of use this defaults to match all but to increase performance you might want to configure a pattern that includes assemblies and your own.</summary>
        /// <remarks>If you change this so that Nop assemblies arn't investigated (e.g. by not including something like "^Nop|..." you may break core functionality.</remarks>
        public string AssemblyRestrictToLoadingPattern
        {
            get { return assemblyRestrictToLoadingPattern; }
            set { assemblyRestrictToLoadingPattern = value; }
        }

        #endregion

        #region Methods

        public IEnumerable<Type> FindClassesOfType<T>(bool onlyConcreteClasses = true)
        {
            return FindClassesOfType(typeof(T), onlyConcreteClasses);
        }

        public IEnumerable<Type> FindClassesOfType(Type assignTypeFrom, bool onlyConcreteClasses = true)
        {
            return FindClassesOfType(assignTypeFrom, GetAssemblies(), onlyConcreteClasses);
        }

        public IEnumerable<Type> FindClassesOfType<T>(IEnumerable<Assembly> assemblies, bool onlyConcreteClasses = true)
        {
            return FindClassesOfType(typeof(T), assemblies, onlyConcreteClasses);
        }

        public IEnumerable<Type> FindClassesOfType(Type assignTypeFrom, IEnumerable<Assembly> assemblies, bool onlyConcreteClasses = true)
        {
            var result = new List<Type>();
            try
            {
                foreach (var a in assemblies)
                {
                    Type[] types = null;
                    try
                    {
                        types = a.GetTypes();
                    }
                    catch
                    {
                        //Entity Framework 6 doesn't allow getting types (throws an exception)
                        if (!ignoreReflectionErrors)
                        {
                            throw;
                        }
                    }
                    if (types != null)
                    {
                        foreach (var t in types)
                        {
                            if (assignTypeFrom.IsAssignableFrom(t) || (assignTypeFrom.IsGenericTypeDefinition && DoesTypeImplementOpenGeneric(t, assignTypeFrom)))
                            {
                                if (!t.IsInterface)
                                {
                                    if (onlyConcreteClasses)
                                    {
                                        if (t.IsClass && !t.IsAbstract)
                                        {
                                            result.Add(t);
                                        }
                                    }
                                    else
                                    {
                                        result.Add(t);
                                    }
                                }
                            }
                        }
                    }
                }
            }
            catch (ReflectionTypeLoadException ex)
            {
                var msg = string.Empty;
                foreach (var e in ex.LoaderExceptions)
                    msg += e.Message + Environment.NewLine;

                var fail = new Exception(msg, ex);
                Debug.WriteLine(fail.Message, fail);

                throw fail;
            }
            return result;
        }

        /// <summary>Gets the assemblies related to the current implementation.</summary>
        /// <returns>A list of assemblies that should be loaded by the Nop factory.</returns>
        public virtual IList<Assembly> GetAssemblies()
        {
            var addedAssemblyNames = new List<string>();
            var assemblies = new List<Assembly>();

            if (LoadAppDomainAssemblies)
                AddAssembliesInAppDomain(addedAssemblyNames, assemblies);
            AddConfiguredAssemblies(addedAssemblyNames, assemblies);

            return assemblies;
        }

        #endregion

        #region Utilities

        /// <summary>
        /// Iterates all assemblies in the AppDomain and if it's name matches the configured patterns add it to our list.
        /// </summary>
        /// <param name="addedAssemblyNames"></param>
        /// <param name="assemblies"></param>
        private void AddAssembliesInAppDomain(List<string> addedAssemblyNames, List<Assembly> assemblies)
        {
            foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
            {
                if (Matches(assembly.FullName))
                {
                    if (!addedAssemblyNames.Contains(assembly.FullName))
                    {
                        assemblies.Add(assembly);
                        addedAssemblyNames.Add(assembly.FullName);
                    }
                }
            }
        }

        /// <summary>
        /// Adds specifically configured assemblies.
        /// </summary>
        /// <param name="addedAssemblyNames"></param>
        /// <param name="assemblies"></param>
        protected virtual void AddConfiguredAssemblies(List<string> addedAssemblyNames, List<Assembly> assemblies)
        {
            foreach (string assemblyName in AssemblyNames)
            {
                Assembly assembly = Assembly.Load(assemblyName);
                if (!addedAssemblyNames.Contains(assembly.FullName))
                {
                    assemblies.Add(assembly);
                    addedAssemblyNames.Add(assembly.FullName);
                }
            }
        }

        /// <summary>
        /// Check if a dll is one of the shipped dlls that we know don't need to be investigated.
        /// </summary>
        /// <param name="assemblyFullName">
        /// The name of the assembly to check.
        /// </param>
        /// <returns>
        /// True if the assembly should be loaded into BotanicSystem.
        /// </returns>
        public virtual bool Matches(string assemblyFullName)
        {
            return !Matches(assemblyFullName, AssemblySkipLoadingPattern)
                   && Matches(assemblyFullName, AssemblyRestrictToLoadingPattern);
        }

        /// <summary>
        /// Check if a dll is one of the shipped dlls that we know don't need to be investigated.
        /// </summary>
        /// <param name="assemblyFullName">
        /// The assembly name to match.
        /// </param>
        /// <param name="pattern">
        /// The regular expression pattern to match against the assembly name.
        /// </param>
        /// <returns>
        /// True if the pattern matches the assembly name.
        /// </returns>
        protected virtual bool Matches(string assemblyFullName, string pattern)
        {
            return Regex.IsMatch(assemblyFullName, pattern, RegexOptions.IgnoreCase | RegexOptions.Compiled);
        }

        /// <summary>
        /// Makes sure matching assemblies in the supplied folder are loaded in the app domain.
        /// </summary>
        /// <param name="directoryPath">
        /// The physical path to a directory containing dlls to load in the app domain.
        /// </param>
        protected virtual void LoadMatchingAssemblies(string directoryPath)
        {
            var loadedAssemblyNames = new List<string>();
            foreach (Assembly a in GetAssemblies())
            {
                loadedAssemblyNames.Add(a.FullName);
            }

            if (!Directory.Exists(directoryPath))
            {
                return;
            }

            foreach (string dllPath in Directory.GetFiles(directoryPath, "*.dll"))
            {
                try
                {
                    var an = AssemblyName.GetAssemblyName(dllPath);
                    if (Matches(an.FullName) && !loadedAssemblyNames.Contains(an.FullName))
                    {
                        App.Load(an);
                    }

                    //old loading stuff
                    //Assembly a = Assembly.ReflectionOnlyLoadFrom(dllPath);
                    //if (Matches(a.FullName) && !loadedAssemblyNames.Contains(a.FullName))
                    //{
                    //    App.Load(a.FullName);
                    //}
                }
                catch (BadImageFormatException ex)
                {
                    Trace.TraceError(ex.ToString());
                }
            }
        }

        /// <summary>
        /// Does type implement generic?
        /// </summary>
        /// <param name="type"></param>
        /// <param name="openGeneric"></param>
        /// <returns></returns>
        protected virtual bool DoesTypeImplementOpenGeneric(Type type, Type openGeneric)
        {
            try
            {
                var genericTypeDefinition = openGeneric.GetGenericTypeDefinition();
                foreach (var implementedInterface in type.FindInterfaces((objType, objCriteria) => true, null))
                {
                    if (!implementedInterface.IsGenericType)
                        continue;

                    var isMatch = genericTypeDefinition.IsAssignableFrom(implementedInterface.GetGenericTypeDefinition());
                    return isMatch;
                }
                return false;
            }
            catch
            {
                return false;
            }
        }

        #endregion
    }

4.Engine 注入操作在这儿

    /// <summary>
    /// Engine
    /// </summary>
    public class Engine : IEngine
    {
        #region Fields

        private ContainerManager _containerManager;

        #endregion

        #region Utilities

        /// <summary>
        /// Run startup tasks
        /// </summary>
        protected virtual void RunStartupTasks()
        {
        }

        /// <summary>
        /// Register dependencies
        /// </summary>
        /// <param name="config">Config</param>
        protected virtual void RegisterDependencies()
        {
            var builder = new ContainerBuilder();
            var container = builder.Build();
            this._containerManager = new ContainerManager(container);

            //we create new instance of ContainerBuilder
            //because Build() or Update() method can only be called once on a ContainerBuilder.

            //dependencies
            var typeFinder = new WebAppTypeFinder();
            builder = new ContainerBuilder();
            builder.RegisterInstance(this).As<IEngine>().SingleInstance();
            builder.RegisterInstance(typeFinder).As<ITypeFinder>().SingleInstance();
            builder.Update(container);

            //register dependencies provided by other assemblies
            builder = new ContainerBuilder();
            var drTypes = typeFinder.FindClassesOfType<IDependencyRegistrar>();
            var drInstances = new List<IDependencyRegistrar>();
            foreach (var drType in drTypes)
                drInstances.Add((IDependencyRegistrar)Activator.CreateInstance(drType));
            //sort
            drInstances = drInstances.AsQueryable().OrderBy(t => t.Order).ToList();
            foreach (var dependencyRegistrar in drInstances)
                dependencyRegistrar.Register(builder, typeFinder);
            builder.Update(container);

            //set dependency resolver
            DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
        }

        #endregion

        #region Methods

        /// <summary>
        /// Initialize components and plugins in the nop environment.
        /// </summary>
        public void Initialize()
        {
            //register dependencies
            RegisterDependencies();
        }

        /// <summary>
        /// Resolve dependency
        /// </summary>
        /// <typeparam name="T">T</typeparam>
        /// <returns></returns>
        public T Resolve<T>() where T : class
        {
            return ContainerManager.Resolve<T>();
        }

        /// <summary>
        ///  Resolve dependency
        /// </summary>
        /// <param name="type">Type</param>
        /// <returns></returns>
        public object Resolve(Type type)
        {
            return ContainerManager.Resolve(type);
        }

        /// <summary>
        /// Resolve dependencies
        /// </summary>
        /// <typeparam name="T">T</typeparam>
        /// <returns></returns>
        public T[] ResolveAll<T>()
        {
            return ContainerManager.ResolveAll<T>();
        }

        #endregion

        #region Properties

        /// <summary>
        /// Container manager
        /// </summary>
        public ContainerManager ContainerManager
        {
            get { return _containerManager; }
        }

        #endregion
    }

5.EngineContext

    public class EngineContext
    {
        #region Methods

        /// <summary>
        /// 初始化静态实例
        /// </summary>
        /// <param name="forceRecreate">创建新的工厂实例</param>
        [MethodImpl(MethodImplOptions.Synchronized)]
        public static IEngine Initialize(bool forceRecreate)
        {
            if (Singleton<IEngine>.Instance == null || forceRecreate)
            {
                Singleton<IEngine>.Instance = new Engine();
                Singleton<IEngine>.Instance.Initialize();
            }
            return Singleton<IEngine>.Instance;
        }

        /// <summary>
        /// 替换引擎 实现自己的引擎
        /// </summary>
        /// <param name="engine"></param>
        /// <remarks></remarks>
        public static void Replace(IEngine engine)
        {
            Singleton<IEngine>.Instance = engine;
        }

        #endregion

        #region Properties

        /// <summary>
        /// 使用单例模式获取引擎，这样可以不用在构造函数中构造
        /// </summary>
        public static IEngine Current
        {
            get
            {
                if (Singleton<IEngine>.Instance == null)
                {
                    Initialize(false);
                }
                return Singleton<IEngine>.Instance;
            }
        }

        #endregion
    }

6.IEngine

    public interface IEngine
    {
        /// <summary>
        /// Container manager
        /// </summary>
        ContainerManager ContainerManager { get; }

        /// <summary>
        /// Initialize components  in the environment.
        /// </summary>
        void Initialize();

        /// <summary>
        /// Resolve dependency
        /// </summary>
        /// <typeparam name="T">T</typeparam>
        /// <returns></returns>
        T Resolve<T>() where T : class;

        /// <summary>
        ///  Resolve dependency
        /// </summary>
        /// <param name="type">Type</param>
        /// <returns></returns>
        object Resolve(Type type);

        /// <summary>
        /// Resolve dependencies
        /// </summary>
        /// <typeparam name="T">T</typeparam>
        /// <returns></returns>
        T[] ResolveAll<T>();
    }

7.ITypeFinder

    public interface ITypeFinder
    {
        IList<Assembly> GetAssemblies();

        IEnumerable<Type> FindClassesOfType(Type assignTypeFrom, bool onlyConcreteClasses = true);

        IEnumerable<Type> FindClassesOfType(Type assignTypeFrom, IEnumerable<Assembly> assemblies, bool onlyConcreteClasses = true);

        IEnumerable<Type> FindClassesOfType<T>(bool onlyConcreteClasses = true);

        IEnumerable<Type> FindClassesOfType<T>(IEnumerable<Assembly> assemblies, bool onlyConcreteClasses = true);
    }

8.Singleton

    /// <summary>
    /// 一个标准化的方法来存储单个实例
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <remarks></remarks>
    public class Singleton<T> : Singleton
    {
        static T instance;
        public static T Instance
        {
            get { return instance; }
            set
            {
                instance = value;
                AllSingletons[typeof(T)] = value;
            }
        }
    }

    /// <summary>
    /// 提供某种类型的单例列表。
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class SingletonList<T> : Singleton<IList<T>>
    {
        static SingletonList()
        {
            Singleton<IList<T>>.Instance = new List<T>();
        }

        /// <summary>对于指定类型T的单例实例。对于每种类型的T只有一个该列表的实例在该时间。</summary>
        public new static IList<T> Instance
        {
            get { return Singleton<IList<T>>.Instance; }
        }
    }

    /// <summary>
    /// 提供某个键值对类型的单例字典。
    /// </summary>
    /// <typeparam name="TKey"></typeparam>
    /// <typeparam name="TValue"></typeparam>
    public class SingletonDictionary<TKey, TValue> : Singleton<IDictionary<TKey, TValue>>
    {
        static SingletonDictionary()
        {
            Singleton<Dictionary<TKey, TValue>>.Instance = new Dictionary<TKey, TValue>();
        }

        public new static IDictionary<TKey, TValue> Instance
        {
            get { return Singleton<Dictionary<TKey, TValue>>.Instance; }
        }
    }

    /// <summary>
    /// 提供对存储的所有“单例”的访问 <see cref="Singleton{T}"/>.
    /// </summary>
    public class Singleton
    {
        static Singleton()
        {
            allSingletons = new Dictionary<Type, object>();
        }

        static readonly IDictionary<Type, object> allSingletons;

        public static IDictionary<Type, object> AllSingletons
        {
            get { return allSingletons; }
        }
    }

9.WebAppTypeFinder

    public class WebAppTypeFinder : AppDomainTypeFinder
    {
        #region Fields

        private bool _ensureBinFolderAssembliesLoaded = true;
        private bool _binFolderAssembliesLoaded;

        #endregion

        #region Properties

        /// <summary>
        /// 获取或设置是否应特别检查Web应用程序的bin文件夹中的程序集是否在应用程序加载时加载。
        /// 这在需要在应用程序重新加载后需要在AppDomain中加载插件的情况下需要。
        /// </summary>
        public bool EnsureBinFolderAssembliesLoaded
        {
            get { return _ensureBinFolderAssembliesLoaded; }
            set { _ensureBinFolderAssembliesLoaded = value; }
        }

        #endregion

        #region Methods

        /// <summary>
        ///获取bin的物理路径
        /// </summary>
        /// <returns></returns>
        public virtual string GetBinDirectory()
        {
            if (HostingEnvironment.IsHosted)
            {
                //hosted
                return HttpRuntime.BinDirectory;
            }

            //not hosted. For example, run either in unit tests
            return AppDomain.CurrentDomain.BaseDirectory;
        }

        public override IList<Assembly> GetAssemblies()
        {
            if (this.EnsureBinFolderAssembliesLoaded && !_binFolderAssembliesLoaded)
            {
                _binFolderAssembliesLoaded = true;
                string binPath = GetBinDirectory();
                //binPath = _webHelper.MapPath("~/bin");
                LoadMatchingAssemblies(binPath);
            }

            return base.GetAssemblies();
        }

        #endregion
    }

-------------------------------------------------------------------------------------------------------------------

注入一些常用的，还有最重要的控制器

    public class DependencyRegistrar : IDependencyRegistrar
    {
        public void Register(ContainerBuilder builder, ITypeFinder typeFinder)
        {
            builder.Register(c => c.Resolve<HttpContextBase>().Request)
                .As<HttpRequestBase>()
                .InstancePerLifetimeScope();
            builder.Register(c => c.Resolve<HttpContextBase>().Response)
                .As<HttpResponseBase>()
                .InstancePerLifetimeScope();
            builder.Register(c => c.Resolve<HttpContextBase>().Server)
                .As<HttpServerUtilityBase>()
                .InstancePerLifetimeScope();
            builder.Register(c => c.Resolve<HttpContextBase>().Session)
                .As<HttpSessionStateBase>()
                .InstancePerLifetimeScope();

            //controllers
            builder.RegisterControllers(typeFinder.GetAssemblies().ToArray());
        }

        /// <summary>
        /// Order of this dependency registrar implementation
        /// </summary>
        public int Order
        {
            get { return ; }
        }
    }

-------------------------------------------------------------------------------------------------------------------

Global.asax.cs

        protected void Application_Start()
        {
            EngineContext.Initialize(false);
            AreaRegistration.RegisterAllAreas();
            RouteConfig.RegisterRoutes(RouteTable.Routes);
        }

-------------------------------------------------------------------------------------------------------------------

使用

1. var logger =  EngineContext.Current.Resolve<ILogger>()

2.HomeController

        #region

        private readonly ICalabashService _calabashService;
        #endregion

        public HomeController(ICalabashService calabashService)
        {
            _calabashService = calabashService;
        }

        public ActionResult Calabash()
        {
            return Content(_calabashService.Calabash());
        }

over