一、过滤器的优级依次介绍如下(逐次递减)：

　　Authorization Filter ->  Resource Filter -> Acton Filter -> Exception Filter -> Result Filter

　　1、Authorization Filter  （权限过滤器）

 /// <summary> /// 权限过滤器 /// </summary> public class GlobalAuthorizationFilter : Attribute, IAuthorizationFilter { /// <summary> /// 优化权最高的过滤器 /// </summary> /// <param name="context"></param> public void OnAuthorization(AuthorizationFilterContext context) { //context.Result = new ObjectResult("IAuthorizationFilter 过滤输出"); Console.WriteLine("IAuthorizationFilter 过滤输出"); } }

　　2、Resource Filter （资源过滤器）

 /// <summary> /// 资源过滤器 /// </summary> public class GlobalResourceFilter : IResourceFilter { /// <summary> /// 获取资源后拦截 /// </summary> /// <param name="context"></param> public void OnResourceExecuted(ResourceExecutedContext context) { Console.WriteLine("IResourceFilter OnResourceExecuted 输出"); } /// <summary> /// 获取资源前拦截 /// </summary> /// <param name="context"></param> public void OnResourceExecuting(ResourceExecutingContext context) { Console.WriteLine("IResourceFilter OnResourceExecuting 输出"); } }

　　3、Acton Filter

 /// <summary> /// Acion过滤器 /// </summary> public class GlobalActonFilter : Attribute, IActionFilter { /// <summary> /// Acion 执行后拦截 /// </summary> /// <param name="context"></param> public void OnActionExecuted(ActionExecutedContext context) { Console.WriteLine("IActionFilter OnActionExecuted Acion 执行后拦截"); } /// <summary> /// Acion 执行前拦截 /// </summary> /// <param name="context"></param> public void OnActionExecuting(ActionExecutingContext context) { Console.WriteLine("IActionFilter OnActionExecuting Acion 执行前拦截"); } }

　　4、Exception Filter

 /// <summary> /// 异常全局过滤器 /// </summary> public class GlobalExceptionFilter : IExceptionFilter { /// <summary> /// 异常处理 /// </summary> /// <param name="context">异常上下文</param> public void OnException(ExceptionContext context) { Console.WriteLine(context.Exception); //如果这里设为false，就表示告诉MVC框架，我没有处理这个错误。然后让它跳转到自己定义的错误页（设为true的话，就表示告诉MVC框架，异常我已经处理了。不需要在跳转到错误页了，也部会抛出黄页了） context.ExceptionHandled = false; } }

　　5、Result Filter

 /// <summary> /// 结果过滤器 /// </summary> public class GlobalResultFilter : IResultFilter { /// <summary> /// 动作结果执行后 /// </summary> /// <param name="context"></param> public void OnResultExecuted(ResultExecutedContext context) { Console.WriteLine("IResultFilter OnResultExecuted Acion 动作结果执行后"); } /// <summary> /// 动作结果执行前 /// </summary> /// <param name="context"></param> public void OnResultExecuting(ResultExecutingContext context) { Console.WriteLine("IResultFilter OnResultExecuting Acion 动作结果执行前"); } }