Asp.net MVC 搭建属于自己的框架（一）

为什么要自己搭框架？

　　大家伙别急，让我慢慢地告诉你！大家有没有这种感觉，从一家跳槽到另一家公司，公司的框架往往是不相同的，这样你必须就得摒弃原来的，学习新的框架。

问题是你用习惯了一种框架，比如封装的扩展方法、工厂模式、实体映射等等，你用得很爽，但是跳槽到新的公司，又得学习他们公司的框架，往往你在这上面

要花费不少时间。

所以我才有了搭建自己的框架的想法，我的框架用到了EntityFramework6.0+Asp.NET MVC4+Autofac等，下面是我的框架结构：

MyFrame.Domain 实体模型层

MyFrame.DataMapping 数据映射层：映射实体类和数据库表关系，数据库上下文存放在该层

MyFrame.IDao 数据访问接口层

MyFrame.Dao 数据访问层

MyFrame.IService 业务逻辑接口层

MyFrame.Service 业务逻辑层

MyFrame.Common 通用扩展层

MyFrame.Web UI层

层与层之间的引用关系

　　Domain（最低层）=》每个层调用；IDao=>Dao,Service; IService=>Service ; IDao,IService=>Web

实体基类
　　MyFrame.Domain.DomainBase：实体基类，实体类都需要继承DomainBase，现在这个类只有两个属性，等之后慢慢扩展完善　　

 using System;

 namespace MyFrame.Domain
 {
     /// <summary>
     /// 实体基类
     /// </summary>
     public class DomainBase
     {
         /// <summary>
         /// 编号
         /// </summary>
         public int Id { get; set; }

         /// <summary>
         /// 创建时间
         /// </summary>
         public DateTime CreateTime { get; set; }
     }
 }

DomainBase

数据访问基类接口　

MyFrame.IDao.IDaoBase：封装了增删改查方法以及分页等

 using System.Collections.Generic;
 using PagedList;

 namespace MyFrame.IDao
 {
     /// <summary>
     /// 数据访问层的基类接口
     /// </summary>
     public interface IDaoBase<T> where T:class
     {
         /// <summary>
         /// 增加
         /// </summary>
         /// <param name="domain">实体</param>
         /// <returns></returns>
         int Insert(T domain);

         /// <summary>
         /// 通过Id删除
         /// </summary>
         /// <param name="id">Id</param>
         /// <returns></returns>
         bool Delete(int id);

         /// <summary>
         /// 删除
         /// </summary>
         /// <param name="domain">实体</param>
         /// <returns></returns>
         bool Delete(T domain);

         /// <summary>
         /// 更新操作
         /// </summary>
         /// <param name="domain">实体</param>
         /// <returns></returns>
         bool Update(T domain);

         /// <summary>
         /// 通过Id查询
         /// </summary>
         /// <param name="id">Id</param>
         /// <returns></returns>
         T SelectById(int id);

         /// <summary>
         /// 查询所有
         /// </summary>
         /// <returns></returns>
         IEnumerable<T> SelectAll();

         /// <summary>
         /// 分页查询
         /// </summary>
         /// <typeparam name="T"></typeparam>
         /// <param name="pageIndex"></param>
         /// <param name="pageSize"></param>
         /// <returns></returns>
         IPagedList<T> SelectPageList(int? pageIndex = , int? pageSize = );
     }
 }

IDaoBase

数据访问实现基类

MyFrame.Dao.DaoBase：需要继承IDaoBase,IDisposable

 using System;
 using System.Collections.Generic;
 using System.Data.Entity;
 using System.Linq;
 using MyFrame.Domain;
 using MyFrame.IDao;
 using MyFrame.DataMapping;
 using PagedList;

 namespace MyFrame.Dao
 {
     /// <summary>
     /// 数据访问层基类
     /// </summary>
     public class DaoBase<T>  : IDisposable, IDaoBase<T> where T : DomainBase
     {
         protected readonly DbContext DbContext;

         public DaoBase()
         {
             DbContext = new DataBaseContext();
         }

         public  int Insert(T t)
         {
             t.CreateTime = DateTime.Now;
             DbContext.Entry<T>(t);
             DbContext.Set<T>().Add(t);
             return SaveChanges();
         }

         public bool Delete(int id)
         {
             T domain = DbContext.Set<T>().FirstOrDefault(s => s.Id == id);
             if (domain == null)
                 return false;
             DbContext.Set<T>().Attach(domain);
             DbContext.Set<T>().Remove(domain);
             return SaveChanges() > ;
         }

         public bool Delete(T t)
         {
             DbContext.Set<T>().Attach(t);
             DbContext.Set<T>().Remove(t);
             return SaveChanges() > ;
         }

         public bool Update(T t)
         {
             DbContext.Set<T>().Attach(t);
             DbContext.Entry(t).State = EntityState.Modified;
             return SaveChanges() > ;
         }

         public T SelectById(int id)
         {
             return DbContext.Set<T>().FirstOrDefault(s => s.Id == id);
         }

         public IEnumerable<T> SelectAll()
         {
             return DbContext.Set<T>();
         }

         public IPagedList<T> SelectPageList(int? pageIndex, int? pageSize)
         {
             IEnumerable<T> list = DbContext.Set<T>().OrderByDescending(s=>s.CreateTime);
             return list.ToPagedList(pageIndex??,pageSize??);
         }

         /// <summary>
         /// 提交数据库操作进行异常捕捉
         /// </summary>
         /// <returns></returns>
         private int SaveChanges()
         {
             try
             {
                 int result = DbContext.SaveChanges();
                 return result;
             }
             catch (System.Data.Entity.Infrastructure.DbUpdateException ex)
             {
                 string message = "error:";
                 if (ex.InnerException == null)
                     message += ex.Message + ",";
                 else if (ex.InnerException.InnerException == null)
                     message += ex.InnerException.Message + ",";
                 else if (ex.InnerException.InnerException.InnerException == null)
                     message += ex.InnerException.InnerException.Message + ",";
                 throw new Exception(message);
             }
         }

         public void Dispose()
         {
             DbContext.Dispose();
         }
     }
 }

DaoBase

数据库访问上下文

MyFrame.DataMapping.DataBaseContext

 using System.Data.Entity;
 using MyFrame.DataMapping.Mapping;
 using MyFrame.Domain;

 namespace MyFrame.DataMapping
 {
     /// <summary>
     /// 数据库访问上下文
     /// </summary>
     public class DataBaseContext : DbContext
     {
         public DataBaseContext()
             : base("Name=EhiBus")
         {
             Database.SetInitializer<DataBaseContext>(null);
         }
         //实体类
         public DbSet<User> Users { get; set; }
         public DbSet<Driver> Drivers { get; set; }
         //将实体映射到数据库表
         protected override void OnModelCreating(DbModelBuilder modelBuilder)
         {
             modelBuilder.Configurations.Add(new UserMap());
             modelBuilder.Configurations.Add(new DriverMap());
         }

     }
 }

DataBaseContext

 using System.Data.Entity.ModelConfiguration;
 using MyFrame.Domain;

 namespace MyFrame.DataMapping.Mapping
 {
     public class UserMap : EntityTypeConfiguration<User>
     {
         public UserMap()
         {
             this.HasKey(t => t.Id);
             this.ToTable("User");
             this.Property(t => t.Id).HasColumnName("Id");
             this.Property(t => t.CreateTime).HasColumnName("CreateTime");
         }
     }
 }

UserMap

扩展帮助类

MyFrame.Common.Helper：封装了一些常用的方法，我自己用起来比较顺手，增加自己的开发效率

 using System;

 namespace MyFrame.Common
 {
     public static class Helper
     {
         #region 字符串转换为Int
         /// <summary>
         /// 将字符串转换为Int?类型
         /// </summary>
         public static int? ToInt32(this string s)
         {
             int? num;
             try
             {
                 num = Convert.ToInt32(s);
             }
             catch (FormatException formatException)
             {
                 num = null;
             }
             catch (OverflowException overflowException)
             {
                 num = null;
             }
             return num;
         }

         /// <summary>
         /// 将字符串转换为Int类型
         /// </summary>
         public static int ToInt32Req(this string s)
         {
             try
             {
                 int num = Convert.ToInt32(s);
                 return num;
             }
             catch (FormatException ex)
             {
                 throw new Exception(ex.Message);
             }
             catch (OverflowException overflowException)
             {
                 throw new Exception(overflowException.Message);
             }
         }
         #endregion

         #region 字符串转换为Decimal
         /// <summary>
         /// 将字符串转换为Decimal?类型
         /// </summary>
         public static decimal? ToDecimal(this string s)
         {
             decimal? num;
             try
             {
                 num = Convert.ToDecimal(s);
             }
             catch (Exception formatException)
             {
                 num = null;
             }
             return num;
         }

         /// <summary>
         /// 将字符串转换为Decimal类型,无法转换抛出异常
         /// </summary>
         public static decimal ToDecimalReq(this string s)
         {
             try
             {
                 decimal num = Convert.ToDecimal(s);
                 return num;
             }
             catch (FormatException ex)
             {
                 throw new Exception(ex.Message);
             }
             catch (OverflowException overflowException)
             {
                 throw new Exception(overflowException.Message);
             }
         }
         #endregion

         #region 字符串转换为DateTime
         /// <summary>
         /// 将字符串转换为DateTime?类型
         /// </summary>
         public static DateTime? ToDateTime(this string s)
         {
             DateTime? num;
             try
             {
                 num = Convert.ToDateTime(s);
             }
             catch (FormatException formatException)
             {
                 num = null;
             }
             return num;
         }

         /// <summary>
         /// 将字符串转换为DateTime类型,无法转换抛出异常
         /// </summary>
         public static DateTime ToDateTimeReq(this string s)
         {
             try
             {
                 DateTime num = Convert.ToDateTime(s);
                 return num;
             }
             catch (FormatException ex)
             {
                 throw new Exception(ex.Message);
             }
         }
         #endregion

         #region 字符串转换为bool
         /// <summary>
         /// 将字符串转换为bool?类型
         /// </summary>
         public static bool? ToBool(this string s)
         {
             bool? num;
             try
             {
                 num = Convert.ToBoolean(s);
             }
             catch (FormatException formatException)
             {
                 num = null;
             }
             return num;
         }

         /// <summary>
         /// 将字符串转换为bool类型,无法转换抛出异常
         /// </summary>
         public static bool ToBoolReq(this string s)
         {
             try
             {
                 bool num = Convert.ToBoolean(s);
                 return num;
             }
             catch (FormatException ex)
             {
                 throw new Exception(ex.Message);
             }
         }
         #endregion

         #region 根据Text转换为Enum
         /// <summary>
         /// 根据Text转换为Enum?类型
         /// </summary>
         public static T? ToEnumByText<T>(this string s) where T:struct
         {
             T? t;
             try
             {
                 t = (T) Enum.Parse(typeof (T), s);
             }
             catch (Exception ex)
             {
                 t = null;
             }
             return t;
         }

         /// <summary>
         ///根据Text转换为Enum类型,无法转换抛出异常
         /// </summary>
         public static T ToEnumReqByText<T>(this string s) where T : struct
         {

             try
             {
                 T t= (T)Enum.Parse(typeof (T), s);
                 return t;
             }
             catch (ArgumentNullException argumentNullException)
             {
                 throw new Exception(argumentNullException.Message);
             }
             catch (ArgumentException argumentException)
             {
                 throw new Exception(argumentException.Message);
             }
             catch (OverflowException overflowException)
             {
                 throw new Exception(overflowException.Message);
             }
         }
         #endregion

         #region 根据Value转换为Enum
         /// <summary>
         /// 根据Value转换为Enum?类型
         /// </summary>
         public static T? ToEnumByValue<T>(this int s) where T : struct
         {
             T? t;
             try
             {
                 t = (T)Enum.Parse(typeof(T), s.ToString());
             }
             catch (Exception ex)
             {
                 t = null;
             }
             return t;
         }

         /// <summary>
         ///根据Value转换为Enum类型,无法转换抛出异常
         /// </summary>
         public static T ToEnumByValueReq<T>(this int s) where T : struct
         {

             try
             {
                 T t = (T)Enum.Parse(typeof(T), s.ToString());
                 return t;
             }
             catch (ArgumentNullException argumentNullException)
             {
                 throw new Exception(argumentNullException.Message);
             }
             catch (ArgumentException argumentException)
             {
                 throw new Exception(argumentException.Message);
             }
             catch (OverflowException overflowException)
             {
                 throw new Exception(overflowException.Message);
             }
         }
         #endregion

     }
 }

Helper

分页控件

我用得是PagedList，Nuget里搜索安装PagedList.MVC即可，然后自己封装了一下，封装得在DaoBase里SelectPageList()

为了让这个控件扩展性更强，写了一个分部试图_PageList,定义了一个分页Model,

为什么要自己写个而不是用它自己封装好的，因为后期页码可能需要跳转“首页”，”末页“等

 using PagedList;

 namespace MyFrame.Web.Models
 {
     public class PageListModel<T> where T:class
     {
         public IPagedList<T> PageList { get; set; }

         public string Action { get; set; }

         public string Controller { get; set; }
     }
 }

PageListModel

 <div class="page-box">
     @if (Model.PageList.HasPreviousPage)
     {
         <a href="@Url.Action(Model.Action, Model.Controller, new { pageIndex = (Model.PageList.PageNumber - 1) })">上一页</a>
     }
     @for (int i = ; i <= Model.PageList.PageCount; i++)
     {
         <a class="@(i == Model.PageList.PageNumber ? "currentpage" : "")" href="@Url.Action(Model.Action, Model.Controller, new { pageIndex = i })">@i</a>
     }
     @if (Model.PageList.HasNextPage)
     {
         <a href="@Url.Action(Model.Action, Model.Controller, new { pageIndex = (Model.PageList.PageNumber + 1) })">下一页</a>
     }
 </div>

_PageList

分页css

 /*分页*/
 .page-box{ width:770px; height:40px; background:#FFF; padding-top:15px; text-align:right; padding-right:20px;}
 .page-box a{text-decoration: none; padding:3px 7px; display:inline-block; text-align:center; border:1px solid #CFCFCF; color:#666; font-size:12px;}
 .page-box a:hover{ background:#A4A4A4; color:#fff;}
 .page-box .currentpage{ background:#CCC;}

PageList

怎么调用呢？跟调用分部试图方法一样，只是需要传进一个PageListModel

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.Mvc;
 using MyFrame.Common;
 using MyFrame.Domain;
 using MyFrame.Dao;
 using MyFrame.IDao;
 using PagedList;

 namespace MyFrame.Web.Controllers
 {
     public class HomeController : Controller
     {
         private readonly IUserDao _userDao;
         private readonly IDriverDao _driverDao;
         public HomeController(IUserDao userDao,IDriverDao driverDao)
         {
             _userDao = userDao;
             _driverDao = driverDao;
         }

         public ActionResult Index(int? pageIndex=)
         {
             IPagedList<Driver> drivers = _driverDao.SelectPageList(pageIndex,);
             return View(drivers);
         }

     }
 }

Controller

 @using MyFrame.Domain
 @using MyFrame.Web.Models
 @model PagedList.IPagedList<MyFrame.Domain.Driver>
 @{
     ViewBag.Title = "Index";
     Layout = "~/Views/Shared/_Layout.cshtml";
 }

 @foreach (var driver in Model)
 {
     <p>@driver.Id</p>
     <p>@driver.DriverName</p>
     <p>@driver.Phone</p>

 }

 @Html.Partial("_PageList", new PageListModel<Driver> { PageList = Model, Action = "Index", Controller = "Home" })

Index

Autofac组件

控制反转，类似于Ioc容器的组件，通过配置接口对应具体的实现类

然后调用我们只需要调接口就行了，降低耦合性。

组件Nuget里有自己下载安装就行

在Globl.asax里配置

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using System.Web;
 using System.Web.Http;
 using System.Web.Mvc;
 using System.Web.Optimization;
 using System.Web.Routing;
 using Autofac;
 using Autofac.Integration.Mvc;
 using MyFrame.Common;
 using MyFrame.Dao;
 using MyFrame.IDao;
 using MyFrame.IService;
 using MyFrame.Service;

 namespace MyFrame.Web
 {
     // 注意: 有关启用 IIS6 或 IIS7 经典模式的说明，
     // 请访问 http://go.microsoft.com/?LinkId=9394801

     public class MvcApplication : System.Web.HttpApplication
     {

         private void SetupResolveRules(ContainerBuilder builder)
         {
             //Components are wired to services using the As() methods on ContainerBuilder
             builder.RegisterType<UserDao>().As<IUserDao>();
             builder.RegisterType<UserService>().As<IUserService>();
             builder.RegisterType<DriverDao>().As<IDriverDao>();
         }
         protected void Application_Start()
         {
             AreaRegistration.RegisterAllAreas();

             // 依赖注入
             var builder = new ContainerBuilder();
             SetupResolveRules(builder);
             builder.RegisterControllers(Assembly.GetExecutingAssembly());
             var container = builder.Build();
             DependencyResolver.SetResolver(new AutofacDependencyResolver(container));

             WebApiConfig.Register(GlobalConfiguration.Configuration);
             FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
             RouteConfig.RegisterRoutes(RouteTable.Routes);
             BundleConfig.RegisterBundles(BundleTable.Bundles);
         }
     }
 }

通过控制器里的构造方法，调用即可

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.Mvc;
 using MyFrame.Common;
 using MyFrame.Domain;
 using MyFrame.Dao;
 using MyFrame.IDao;
 using PagedList;

 namespace MyFrame.Web.Controllers
 {
     public class HomeController : Controller
     {
         private readonly IUserDao _userDao;
         private readonly IDriverDao _driverDao;
         public HomeController(IUserDao userDao,IDriverDao driverDao)
         {
             _userDao = userDao;
             _driverDao = driverDao;
         }

         public ActionResult Index(int? pageIndex=)
         {
             IPagedList<Driver> drivers = _driverDao.SelectPageList(pageIndex,);
             return View(drivers);
         }

     }
 }

其实配置接口对应哪个具体实体的关系，应该放到config文件比较好，这个后期再慢慢优化把。

结尾

这是一个初级版本，后期肯定要再好好完善，比如加入Transaction事务管理，排序，条件查询等等。

大家如果有什么好的建议，尽管提，互相促进互相学习。

转载请注明出处，谢谢！

源代码下载地址：http://yun.baidu.com/share/link?shareid=2761504180&uk=2820969304