C# (CSharp) HttpPostedFileBase.GetExtName Beispiele

Beispiel #1

        /// <summary>
        /// 检验文件类型
        /// </summary>
        /// <param name="file"></param>
        /// <returns></returns>
        public static bool CheckType(this HttpPostedFileBase file)
        {
            string ext = file.GetExtName();

            return(ExtFormat.IndexOf(ext.ToLower()) < 0);
        }