C# 获取属性字段上DescriptionAttribute的值

  var ent = new Ent();
            foreach (var item in ent.GetType().GetProperties())
            {
                var v = (DescriptionAttribute[])item.GetCustomAttributes(typeof(DescriptionAttribute), false);
                var descriptionName = v[0].Description;

                item.SetValue(ent,descriptionName+":1");
            }