依赖注入框架Autofac的简单使用，以及在 ASP.NET MVC 中的使用

Autofac 基础

转载自：http://www.cnblogs.com/liping13599168/archive/2011/07/16/2108209.html

 

Autofac是一款IOC框架，比较于其他的IOC框架，如Spring.NET，Unity，Castle等等所包含的，它很轻量级性能上也是很高的。于是，今天抽空研究了下它。下载地址：http://code.google.com/p/autofac/downloads/list

 

代码：

using System;
using Autofac;
using Autofac.Configuration;

namespace DearBruce.AutofacDemo.ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {
            #region Demo1 - 硬编码注册

            //var builder = new ContainerBuilder();
            //builder.RegisterType<DatabaseManager>();
            //builder.RegisterType<SqlDatabase>().As<IDatabase>();
            //using (var container = builder.Build())
            //{
            //    var manager = container.Resolve<DatabaseManager>();
            //    manager.Search("SELECT * FORM USER");
            //}

            #endregion

            #region Demo2 - 读取配置文件

            //var builder = new ContainerBuilder();
            //builder.RegisterType<DatabaseManager>();
            //builder.RegisterModule(new ConfigurationSettingsReader("autofac"));
            //using (var container = builder.Build())
            //{
            //    var manager = container.Resolve<DatabaseManager>();
            //    manager.Search("SELECT * FORM USER");
            //}

            #endregion

            #region Demo2 - 通过 Register 方法进行注册

            var builder = new ContainerBuilder();
            //builder.RegisterType<DatabaseManager>(); 
            builder.RegisterModule(new ConfigurationSettingsReader("autofac"));
            builder.Register(c => new DatabaseManager(c.Resolve<IDatabase>()));
            using (var container = builder.Build())
            {
                var manager = container.Resolve<DatabaseManager>();
                manager.Search("SELECT * FORM USER");
            }

            #endregion
        }
    }

    /// <summary>
    /// Database operate interface
    /// </summary>
    public interface IDatabase
    {
        string Name { get; }

        void Select(string commandText);

        void Insert(string commandText);

        void Update(string commandText);

        void Delete(string commandText);
    }

    public class SqlDatabase : IDatabase
    {
        public string Name
        {
            get { return "sqlserver"; }
        }

        public void Select(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a query sql in {1}!", commandText, Name));
        }

        public void Insert(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a insert sql in {1}!", commandText, Name));
        }

        public void Update(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a update sql in {1}!", commandText, Name));
        }

        public void Delete(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a delete sql in {1}!", commandText, Name));
        }
    }

    public class OracleDatabase : IDatabase
    {
        public string Name
        {
            get { return "oracle"; }
        }

        public void Select(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a query sql in {1}!", commandText, Name));
        }

        public void Insert(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a insert sql in {1}!", commandText, Name));
        }

        public void Update(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a update sql in {1}!", commandText, Name));
        }

        public void Delete(string commandText)
        {
            Console.WriteLine(string.Format("'{0}' is a delete sql in {1}!", commandText, Name));
        }
    }

    public class DatabaseManager
    {
        IDatabase _database;

        public DatabaseManager(IDatabase database)
        {
            _database = database;
        }

        public void Search(string commandText)
        {
            _database.Select(commandText);
        }

        public void Add(string commandText)
        {
            _database.Insert(commandText);
        }

        public void Save(string commandText)
        {
            _database.Update(commandText);
        }

        public void Remove(string commandText)
        {
            _database.Delete(commandText);
        }

    }
}

 

Demo 下载： https://files.cnblogs.com/Music/AutofacDemo.rar

 

Autofac 在 ASP.NET MVC 下的注册

请参考下面的代码，来自于 https://github.com/MarlabsInc/SocialGoal/

using System.Web.Mvc;
using Autofac;
using Autofac.Integration.Mvc;
using System.Reflection;
using SocialGoal.Data.Repository;
using SocialGoal.Data.Infrastructure;
using SocialGoal.Service;
using SocialGoal.Mappings;
using SocialGoal.Web.Core.Authentication;
using Microsoft.AspNet.Identity.EntityFramework;
using SocialGoal.Model.Models;
using SocialGoal.Data.Models;
using Microsoft.AspNet.Identity;

namespace SocialGoal
{
    public static class Bootstrapper
    {
        public static void Run()
        {
            SetAutofacContainer();
            //Configure AutoMapper
            AutoMapperConfiguration.Configure();
        }
        private static void SetAutofacContainer()
        {
            var builder = new ContainerBuilder();
            builder.RegisterControllers(Assembly.GetExecutingAssembly());
            builder.RegisterType<UnitOfWork>().As<IUnitOfWork>().InstancePerHttpRequest();
            builder.RegisterType<DatabaseFactory>().As<IDatabaseFactory>().InstancePerHttpRequest();
            builder.RegisterAssemblyTypes(typeof(FocusRepository).Assembly)
            .Where(t => t.Name.EndsWith("Repository"))
            .AsImplementedInterfaces().InstancePerHttpRequest();
            builder.RegisterAssemblyTypes(typeof(GoalService).Assembly)
           .Where(t => t.Name.EndsWith("Service"))
           .AsImplementedInterfaces().InstancePerHttpRequest();

            builder.RegisterAssemblyTypes(typeof(DefaultFormsAuthentication).Assembly)
         .Where(t => t.Name.EndsWith("Authentication"))
         .AsImplementedInterfaces().InstancePerHttpRequest();

            builder.Register(c => new UserManager<ApplicationUser>(new UserStore<ApplicationUser>( new SocialGoalEntities())))
                .As<UserManager<ApplicationUser>>().InstancePerHttpRequest();

            builder.RegisterFilterProvider();
            IContainer container = builder.Build();
            DependencyResolver.SetResolver(new AutofacDependencyResolver(container));            
        }
    }
}

 

 

谢谢浏览！