Enum扩大特征实例代码【C#.Net教程】,Enum,中文,代替,特性,扩展

因为对英语的天生缺点，在罗列时一向运用中文，如许就不必看解释就晓得罗列意义，本日看到博文

运用特征替代了直接运用中文作为属性。特地摘抄部分为今后运用方便

    /// <summary>/// 罗列协助类/// </summary>public static class EnumTools
    {/// <summary>///  猎取当前罗列值的形貌和排序/// </summary>/// <param name="value"></param>/// <returns>返回元组Tuple(string,int)</returns>public static Tuple<string,int> GetDescription(this Enum value)
        {int order = 0;string description = string.Empty;

            Type type = value.GetType();// 猎取罗列FieldInfo fieldInfo = type.GetField(value.ToString());// 猎取罗列自定义的特征DescriptionAttributeobject[] attrs = fieldInfo.GetCustomAttributes(typeof(DescriptionAttribute), false);
            DescriptionAttribute attr = (DescriptionAttribute)attrs.FirstOrDefault(a => a is DescriptionAttribute);

            description = fieldInfo.Name;if (attr != null)
            {
                order = attr.Order;
                description = attr.Name;
            }return new Tuple<string,int>(description,order);

        }/// <summary>/// 猎取当前罗列的一切形貌/// </summary>/// <returns></returns>public static List<KeyValuePair<int, string>> GetAll<T>()
        {return GetAll(typeof(T));
        }/// <summary>/// 猎取一切的罗列形貌和值/// </summary>/// <param name="type"></param>/// <returns></returns>public static List<KeyValuePair<int, string>> GetAll(Type type)
        {

            List<EnumToolsModel> list = new List<EnumToolsModel>();// 轮回罗列猎取一切的Fieldsforeach (var field in type.GetFields())
            {// 如果是罗列范例if (field.FieldType.IsEnum)
                {object tmp = field.GetValue(null);
                    Enum enumValue = (Enum)tmp;int intValue = Convert.ToInt32(enumValue);var dec = enumValue.GetDescription();int order= dec.Item2;string showName = dec.Item1; // 猎取形貌和排序list.Add(new EnumToolsModel { Key = intValue, Name = showName, Order = order });
                }
            }// 排序并转成KeyValue返回return list.OrderBy(i => i.Order).Select(i => new KeyValuePair<int, string>(i.Key, i.Name)).ToList();

        }/// <summary>/// 罗列Model/// </summary> partial class EnumToolsModel
        {public int Order { get; set; }public string Name { get; set; }public int Key { get; set; }
        }

    }/// <summary>/// 罗列特征/// </summary>[AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = false)]public class DescriptionAttribute : Attribute
    {/// <summary>/// 排序/// </summary>public int Order { get; set; }/// <summary>/// 称号/// </summary>public string Name { get; set; }/// <summary>/// 定义形貌称号/// </summary>/// <param name="name">称号</param>public DescriptionAttribute(string name)
        {
            Name = name;
        }/// <summary>/// 定义形貌称号和排序/// </summary>/// <param name="name">称号</param>/// <param name="order">排序</param>public DescriptionAttribute(string name, int order)
        {
            Name = name;
            Order = order;
        }

    }

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把原文中的out参数替换成返回元组，因为项目是vs2015开辟，不能用c#7.0特征，否则用7.0中的值元组应当更好一点。机能和显现友好性都邑有革新。

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