获取枚举值中的特性[Display]中的name值

         /// <summary>
        /// 政治面貌
        /// </summary>
        public enum EumPoliticSstatus
        {
            [Display(Name = "党员")]
            PartyMember = 1,
            [Display(Name = "团员")]
            Member = 2,
            [Display(Name = "群众")]
            Masses = 3,
            [Display(Name = "民主党派")]
            DemocraticParty = 4
        }

public static class EumHelper
    {
        /// <summary>
        /// 获得枚举的displayName
        /// </summary>
        /// <param name="eum"></param>
        /// <returns></returns>
        public static string GetDisplayName(this Enum eum)
        {
            var type=eum.GetType();//先获取这个枚举的类型
            var field=type.GetField(eum.ToString());//通过这个类型获取到值
            var obj = (DisplayAttribute)field.GetCustomAttribute(typeof (DisplayAttribute));//得到特性
            return obj.Name ?? "";
        }
    }