/// <summary>
 /// 是否包含某特性
 /// </summary>
 /// <typeparam name="T">特性类型</typeparam>
 /// <param name="filterContext">AOP对象</param>
 /// <returns></returns>
 public static bool ContainsAttribute <T>(this ActionExecutingContext filterContext) where T : Attribute
 {
     return(filterContext.GetAllCustomAttributes().Any(x => x.GetType() == typeof(T)));
 }