Asp.net MVC通过自定义特性实现Action日志记录

/// <summary>
/// 描述特性
/// </summary>
[AttributeUsage(AttributeTargets.Method)]
public sealed class DescribeAttribute : Attribute
{
private string _funDescribe;

public DescribeAttribute() { }

public DescribeAttribute(string funDescribe)
{
this._funDescribe = funDescribe;
}

public string FunDescribe
{
get { return _funDescribe; }
}
}

[Describe("系统主页面")]
public ActionResult Index()
{
return View();
}

public sealed class LogFilter : ActionFilterAttribute
{
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (filterContext == null)
{
throw new ArgumentNullException(nameof(filterContext));
}

object[] attrs = filterContext.ActionDescriptor.GetCustomAttributes(typeof(DescribeAttribute), false);
if (attrs.Length > 0)
{
string funDescribe = ((DescribeAttribute)attrs[0]).FunDescribe;
}
base.OnActionExecuted(filterContext);
}
}

public class FilterConfig
{
public static void RegisterGlobalFilters(GlobalFilterCollection filters)
{
filters.Add(new AuthorizeAttribute());
filters.Add(new HandleErrorAttribute());
filters.Add(new LogFilter());
}
}