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85 lines
2.0 KiB
85 lines
2.0 KiB
# 集成 Autofac
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Autofac 是.Net世界中最常用的依赖注入框架之一. 相比.Net Core标准的依赖注入库, 它提供了更多高级特性, 比如动态代理和属性注入.
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## 安装 Autofac
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> 所有的启动模板和示例都已经集成了 Autofac. 所以, 多数时候你无需手动安装这个包.
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安装 [Volo.Abp.Autofac](https://www.nuget.org/packages/Volo.Abp.Autofac) nuget 包到你的项目 (对于一个多项目应用程序, 建议安装到可执行项目或者Web项目中.)
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````
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Install-Package Volo.Abp.Autofac
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````
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然后为你的模块添加 `AbpAutofacModule` 依赖:
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```csharp
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using Volo.Abp.Modularity;
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using Volo.Abp.Autofac;
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namespace MyCompany.MyProject
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{
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[DependsOn(typeof(AbpAutofacModule))]
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public class MyModule : AbpModule
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{
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//...
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}
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}
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```
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最后, 配置 `AbpApplicationCreationOptions` 用 Autofac 替换默认的依赖注入服务. 根据应用程序类型, 情况有所不同.
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### ASP.NET Core 应用程序
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如下所示, 在 **Startup.cs** 文件中调用 `UseAutofac()`:
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````csharp
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public class Startup
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{
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public IServiceProvider ConfigureServices(IServiceCollection services)
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{
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services.AddApplication<MyWebModule>(options =>
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{
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//Integrate Autofac!
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options.UseAutofac();
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});
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return services.BuildServiceProviderFromFactory();
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}
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public void Configure(IApplicationBuilder app)
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{
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app.InitializeApplication();
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}
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}
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````
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### 控制台应用程序
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如下所示, 在 `AbpApplicationFactory.Create` 中用options调用 `UseAutofac()` 方法:
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````csharp
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using System;
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using Microsoft.Extensions.DependencyInjection;
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using Volo.Abp;
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namespace AbpConsoleDemo
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{
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class Program
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{
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static void Main(string[] args)
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{
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using (var application = AbpApplicationFactory.Create<AppModule>(options =>
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{
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options.UseAutofac(); //Autofac integration
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}))
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{
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//...
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}
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}
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}
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}
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````
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