小编Ric*_*rdG的帖子

尝试使用Autofac将log4net类注入我的控制器,但是我得到以下异常:

可以使用可用的服务和参数调用在'MvcApplication6.Controllers.HomeController'类型上找到'公共绑定标志'的构造函数:无法解析构造函数'void .ctor(log4net.ILog)的参数'log4net.ILog logger' ".

我创建了一个模块,Log使用正确的类型注入类:

public class LogInjectionModule : Module
{
    protected override void AttachToComponentRegistration(IComponentRegistry registry, IComponentRegistration registration)
    {
         registration.Preparing += OnComponentPreparing;
    }

    static void OnComponentPreparing(object sender, PreparingEventArgs e)
    {
        var t = e.Component.Activator.LimitType;
        e.Parameters = e.Parameters.Union(new[] 
        { 
            new ResolvedParameter((p, i) => p.ParameterType == typeof(ILog), (p, i) => LogManager.GetLogger(t)) 
        });
    }
}

然后我在我的ASP.NET MVC Application_Start方法中注册该模块:

protected void Application_Start()
{
     ContainerBuilder builder = new ContainerBuilder();
     builder.RegisterControllers(typeof (MvcApplication).Assembly) ;

     var container = builder.Build() ;
     DependencyResolver.SetResolver(new AutofacDependencyResolver(container)); 

     builder.RegisterModule(new LogInjectionModule()); …