Autofac的使用過程，以下為模板

配置：

1、Demo.Repository（1）NuGet包：①EntityFramework②Z.EntityFramework.Extensions③Z.Expressions.Eval④Z.EntityFramework.Plus.EF6注：②③為④的依賴項(xiàng)，先安裝②③再安裝④

2、Demo.Service（1）NuGet包：①Autofac②Autofac.Mvc5（2）引用：Demo.Repository

3、Demo.Mvc（1）NuGet包：①EntityFramework②Autofac③Autofac.Mvc5（2）引用：Demo.Repository、Demo.Service

數(shù)據(jù)庫(kù)映射

在Demo.Repository添加數(shù)據(jù)庫(kù)映射后，將Demo.Repository下的App.Config中關(guān)于數(shù)據(jù)庫(kù)連接的相關(guān)配置復(fù)制粘貼于Demo.Mvc下的Web.config中

AutofacConfig.cs

public static class AutofacConfig?? ?{?? ??? ?private static IContainer _container;?? ??? ?public static void InitAutofac()?? ??? ?{?? ??? ??? ?var builder = new ContainerBuilder();?? ??? ??? ?//注冊(cè)數(shù)據(jù)庫(kù)基礎(chǔ)操作和工作單元?? ??? ??? ?builder.RegisterGeneric(typeof(BaseDAL<>)).As(typeof(IBaseDAL<>)).PropertiesAutowired();?? ??? ??? ?builder.RegisterType(typeof(UnitWork)).As(typeof(IUnitWork)).PropertiesAutowired();?? ??? ??? ?//注冊(cè)service層?? ??? ??? ?builder.RegisterAssemblyTypes(Assembly.GetExecutingAssembly()).PropertiesAutowired();?? ??? ??? ?// 注冊(cè)controller，使用屬性注入?? ??? ??? ?builder.RegisterControllers(Assembly.GetCallingAssembly()).PropertiesAutowired();?? ??? ??? ?注冊(cè)所有的ApiControllers?? ??? ??? ?//builder.RegisterApiControllers(Assembly.GetCallingAssembly()).PropertiesAutowired();?? ??? ??? ?builder.RegisterModelBinders(Assembly.GetCallingAssembly());?? ??? ??? ?builder.RegisterModelBinderProvider();?? ??? ??? ?// OPTIONAL: Register web abstractions like HttpContextBase.?? ??? ??? ?//builder.RegisterModule<AutofacWebTypesModule>();?? ??? ??? ?// OPTIONAL: Enable property injection in view pages.?? ??? ??? ?builder.RegisterSource(new ViewRegistrationSource());?? ??? ??? ?// 注冊(cè)所有的Attribute?? ??? ??? ?builder.RegisterFilterProvider();?? ??? ??? ?// Set the dependency resolver to be Autofac.?? ??? ??? ?_container = builder.Build();?? ??? ??? ?//Set the MVC DependencyResolver?? ??? ??? ?DependencyResolver.SetResolver(new AutofacDependencyResolver(_container));?? ??? ??? ?//Set the WebApi DependencyResolver?? ??? ??? ?//GlobalConfiguration.Configuration.DependencyResolver = new AutofacWebApiDependencyResolver((IContainer)_container);?? ??? ?}?? ?}

DLL層

實(shí)現(xiàn)類（接口類不寫）

BaseDAL.cs

public class BaseDAL<T> : IBaseDAL<T> where T : class, new()?? ?{?? ??? ?private CompressorTestContext dbContext = new CompressorTestContext();?? ??? ?/// <summary>?? ??? ?/// 查找單個(gè)，且不被上下文所跟蹤?? ??? ?/// AsNoTracking:能從數(shù)據(jù)庫(kù)獲取數(shù)據(jù)?? ??? ?/// </summary>?? ??? ?public T FindSingle(Expression<Func<T, bool>> exp)?? ??? ?{?? ??? ??? ?dbContext.Configuration.ProxyCreationEnabled = false;?? ??? ??? ?return dbContext.Set<T>().AsNoTracking().FirstOrDefault(exp);?? ??? ?}?? ??? ?public IQueryable<T> Find(Expression<Func<T, bool>> exp = null)?? ??? ?{?? ??? ??? ?var dbSet = dbContext.Set<T>().AsNoTracking().AsQueryable();?? ??? ??? ?if (exp != null)?? ??? ??? ??? ?dbSet = dbSet.Where(exp);?? ??? ??? ?return dbSet;?? ??? ?}?? ??? ?public void Add2(T t)?? ??? ?{?? ??? ??? ?dbContext.Set<T>().Add(t);?? ??? ?}?? ??? ?public void Delete2(T t)?? ??? ?{?? ??? ??? ?dbContext.Entry<T>(t).State = EntityState.Deleted;?? ??? ??? ?//dbContext.Set<T>().Remove(t);?? ??? ?}?? ??? ?public void Update2(T t)?? ??? ?{?? ??? ??? ?dbContext.Set<T>().AddOrUpdate(t);?? ??? ?}?? ??? ?public bool Add(T t)?? ??? ?{?? ??? ??? ?dbContext.Set<T>().Add(t);?? ??? ??? ?return SaveChanges();?? ??? ?}?? ??? ?public bool Delete(T t)?? ??? ?{?? ??? ??? ?dbContext.Entry<T>(t).State = EntityState.Deleted;?? ??? ??? ?//dbContext.Set<T>().Remove(t);?? ??? ??? ?return SaveChanges();?? ??? ?}?? ??? ?public bool Update(T t)?? ??? ?{?? ??? ??? ?dbContext.Set<T>().AddOrUpdate(t);?? ??? ??? ?return SaveChanges();?? ??? ?}?? ??? ?public bool SaveChanges()?? ??? ?{?? ??? ??? ?return dbContext.SaveChanges() > 0;?? ??? ?}?? ?}

UnitWork .cs

public class UnitWork : IUnitWork?? ?{?? ??? ?private CompressorTestContext dbContext = new CompressorTestContext();?? ??? ?public IQueryable<T> Find<T>(Expression<Func<T, bool>> exp = null) where T : class?? ??? ?{?? ??? ??? ?var dbSet = dbContext.Set<T>().AsNoTracking().AsQueryable();?? ??? ??? ?if (exp != null)?? ??? ??? ??? ?dbSet = dbSet.Where(exp);?? ??? ??? ?return dbSet;?? ??? ?}?? ??? ?/// <summary>?? ??? ?/// 查找單個(gè)?? ??? ?/// </summary>?? ??? ?public T FindSingle<T>(Expression<Func<T, bool>> exp =null) where T : class?? ??? ?{?? ??? ??? ?return dbContext.Set<T>().AsNoTracking().FirstOrDefault(exp);?? ??? ?}?? ??? ?public void ExecuteSql(string sql)?? ??? ?{?? ??? ??? ?dbContext.Database.ExecuteSqlCommand(sql);?? ??? ?}?? ?}

BAL層

接口類

BaseService.cs

public class BaseService<T> where T : class?? ?{?? ??? ?public IBaseDAL<T> BaseDAL { get; set; }?? ??? ?public IUnitWork UnitWork { get; set; }?? ?}

實(shí)現(xiàn)類

public class HandleService:BaseService<sy_sql>

{

BaseDal.where(...)

}

控制器調(diào)用

public HandleService HandleService{ get; set; }

總結(jié)

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