C#获取枚举类型字段的特性(Attribute)

 /// <summary>
 /// 获取枚举类型指定字段的特性(Attribute)
 /// </summary>
 /// <typeparam name="T">特性(Attribute)类型</typeparam>
 /// <param name="enumType">枚举类型</param>
 /// <param name="fieldName">字段名称</param>
 /// <returns></returns>
 public static T GetEnumFieldAttribute<T>(Type enumType, string fieldName) where T : Attribute
 {
     if (Enum.IsDefined(enumType, fieldName))
     {
         var field = enumType.GetField(fieldName, BindingFlags.Static | BindingFlags.Public);
         return field.GetCustomAttribute<T>();
     }
     else
     {
         return default(T);
     }
 }

var attr = ObjectHelper.GetEnumFieldAttribute<DescriptionAttribute>(typeof(DrawNodeType), node.ObjectType.ToString());
return attr.Description;