枚举 字符串--获取描述信息

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Text;   namespace ZB.QueueSys.Common.Enum {     public enum QsQueueStatusEnum     {         /// <summary>         /// 启用         /// </summary>         [Description("启用")]         StartUsing = 1,         /// <summary>         /// 禁用         /// </summary>         [Description("禁用")]         NoUsing = 0,     } }

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

using System.ComponentModel; using System.Reflection;   namespace ZB.QueueSys.Common {     public class EnumHelper     {         //定义一个用于保存静态变量的实例         private static EnumHelper instance = null;         //定义一个保证线程同步的标识         private static readonly object locker = new object();         //构造函数为私有，使外界不能创建该类的实例         private EnumHelper() { }         public static EnumHelper Instance         {             get             {                 if (instance == null)                 {                     lock (locker)                     {                         if (instance == null) instance = new EnumHelper();                     }                 }                 return instance;             }         }           public string GetEnumDescription(System.Enum enumValue)         {             string value = enumValue.ToString();             FieldInfo field = enumValue.GetType().GetField(value);             object[] objs = field.GetCustomAttributes(typeof(DescriptionAttribute), false);  //获取描述属性             if (objs == null || objs.Length == 0)  //当描述属性没有时，直接返回名称                 return value;             DescriptionAttribute descriptionAttribute = (DescriptionAttribute)objs[0];             return descriptionAttribute.Description;         }           //扩展方法，必须定义在静态类、静态方法         //public static string GetDescription(this System.Enum value)         //{         //    FieldInfo field = value.GetType().GetField(value.ToString());           //    DescriptionAttribute attribute         //            = Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute))         //                as DescriptionAttribute;           //    return attribute == null ? value.ToString() : attribute.Description;         //}       } }