1、首先创建一个MVC项目 定义Model 层 view 层 index.cshtml 控制器层Controllers等文件
2、在线安装或者引用dapper 以及扩展相关包 同时Autofac 的相关包以及 Autofac.Asp.Net.Mvc5 包之类
3、定义Model
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace AutofacMVC.Models
{
///
4、 创建文件夹Repository 定义UserInfoRepository 实现IUserInfoRepository仓储接口
using AutofacMVC.IRepository;
using AutofacMVC.Models;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using Dapper;
using DapperExtensions;
namespace AutofacMVC.Repository
{
/// UserInfos = new List();
public List GetAllList()
{
var list = new List();
for (int i = 0; i < 10; i++)
{
list.Add(new UserInfo() { Id = i, UserName = "英文名" + i, Nation = "民族" + i, TrueName = "真实名" + i, LocalAddress = "住址" + i, Gender = i });
}
return list;
}
/// Get_AllList()
{
var list = new List();
string sql = @"select top(20) UserName,TrueName,Nation,LocalAddress,Birthday,Gender from UserInfo";
//select Id,UserName,Nation,TrueName,Birthday,LocalAddress,Gender from UserInfo
using (SqlConnection conn = new SqlConnection(constr))
{
conn.Open();
//dapper标准写法 写原生sql
// list = conn.Query(sql,commandType: CommandType.Text).ToList();
//dapper扩展写法 类似EF框架
list = conn.GetList().ToList();
conn.Close();
}
return list;
}
public IEnumerable GetAll()
{
return UserInfos;
}
}
}
5、创建文件夹IRepository 用于存放仓储接口IUserInfoRepository
using AutofacMVC.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AutofacMVC.IRepository
{
/// GetAllList();
/// Get_AllList();
IEnumerable GetAll();
}
}
6、Controller 这里用构造器注入
using AutofacMVC.IRepository;
using AutofacMVC.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace AutofacMVC.Controllers
{
public class UserController : Controller
{
List UserInfolist = new List();
private IUserInfoRepository _service;
//构造器注入
public UserController(IUserInfoRepository service)
{
this._service = service;
}
//属性注入
// public IUserInfoRepository repository { get; set; }
public ActionResult Index()
{
var data = this._service.Get_AllList();
return View(data);
}
}
}
7、index
@model List<AutofacMVC.Models.UserInfo>
@{
ViewBag.Title = "index";
}
<h2>indexh2>
<link href="~/Content/bootstrap.css" rel="stylesheet" />
<div class="well">
<table class="table">
<thead>
<tr>
<th>用户名th>
<th>真实姓名th>
<th>民族th>
<th>地址th>
tr>
thead>
<tbody>
@if (Model != null && Model.Any())
{
foreach (var item in Model)
{
<tr>
<td>@item.UserName td>
<td>@item.TrueName td>
<td>@item.Nation td>
<td>@item.LocalAddress td>
tr>
}
}
tbody>
table>
div>
8、
自动注入
Autofac提供一个RegisterAssemblyTypes方法。它会去扫描所有的dll并把每个类注册为它所实现的接口。既然能够自动注入，那么接口和类的定义一定要有一定的规律。可以定义IDependency接口的类型，其他任何的接口都需要继承这个接口。
IRepository在该文件夹增加一个接口类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AutofacMVC.IRepository
{
///
9、更改IUserInfoRepository.cs 继承IDependency即可 代码已在上面改写
IUserInfoRepository 一一注入的话 该接口文件代码是
using AutofacMVC.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AutofacMVC.IRepository
{
/// GetAllList();
/// Get_AllList();
IEnumerable GetAll();
}
}
10、注入工作在Global.asax 文件中进行
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Optimization;
using System.Web.Routing;
using Autofac;
using Autofac.Builder;
using Autofac.Integration.Mvc;
using System.IO;
using AutofacMVC.IRepository;
using System.Reflection;
namespace AutofacMVC1
{
public class MvcApplication : System.Web.HttpApplication
{
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
#region 自动注入
//创建autofac管理注册类的容器实例
var builder = new ContainerBuilder();
Assembly[] assemblies = Directory.GetFiles(AppDomain.CurrentDomain.RelativeSearchPath, "*.dll").Select(Assembly.LoadFrom).ToArray();
//注册所有实现了 IDependency 接口的类型
Type baseType = typeof(IDependency);
builder.RegisterAssemblyTypes(assemblies)
.Where(type => baseType.IsAssignableFrom(type) && !type.IsAbstract)
.AsSelf().AsImplementedInterfaces()
.PropertiesAutowired().InstancePerLifetimeScope();
//注册MVC类型
builder.RegisterControllers(assemblies).PropertiesAutowired();
builder.RegisterFilterProvider();
var container = builder.Build();
DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
#endregion
#region 手动一个一个的进行注入
// //创建autofac管理注册类的容器实例
// var builder = new ContainerBuilder();
// //为这个容器注册它可以管理的类型
// //builder的Register方法可以通过多种方式注册类型。
// builder.RegisterType().As();
// //使用Autofac提供的RegisterControllers扩展方法来对程序集中所有的Controller一次性的完成注册
// builder.RegisterControllers(Assembly.GetExecutingAssembly());//生成具体的实例
// //如果使用属性注入 就把上面这句改为
////builder.RegisterControllers(Assembly.GetExecutingAssembly()).PropertiesAutowired(); // 这样支持属性注入
// var container = builder.Build();
// //下面就是使用MVC的扩展 更改了MVC中的注入方式.
// DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
#endregion
}
}
}