/// <summary>
/// 获取Enum 枚举类型的注释
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static string GetDescription(this Enum obj)
{
return(EnumDictionary.GetOrAdd(obj, (o) =>
{
var type = o.GetType();
FieldInfo field = type.GetField(Enum.GetName(type, o));
DescriptionAttribute descAttr = Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute)) as DescriptionAttribute;
if (descAttr == null)
{
return string.Empty;
}
return descAttr.Description;
}));
}