(精华)2020年6月26日 C#类库 FilterContext(扩展方法)

using System.Linq;

namespace Microsoft.AspNetCore.Mvc.Filters
{
    /// <summary>
    /// 拓展类
    /// </summary>
    public static partial class Extention
    {
        /// <summary>
        /// 是否拥有某过滤器
        /// </summary>
        /// <typeparam name="T">过滤器类型</typeparam>
        /// <param name="actionExecutingContext">上下文</param>
        /// <returns></returns>
        public static bool ContainsFilter<T>(this FilterContext actionExecutingContext)
        {
            return actionExecutingContext.Filters.Any(x => x.GetType() == typeof(T));
        }
    }
}