怎么获取枚举的值_枚举是值类型吗

 1 /// <summary>
 2     /// 学生状态
 3     /// </summary>
 4     public enum StudentStatusEnum
 5     {
 6         /// <summary>
 7         /// 在读
 8         /// </summary>
 9         [Description("在读")]
10         Study = 0,
11 
12         /// <summary>
13         /// 毕业
14         /// </summary>
15         [Description("毕业")]
16         Graduate = 1,
17 
18         /// <summary>
19         /// 退学
20         /// </summary>
21         [Description("退学")]
22         Leave = 2,
23 
24         /// <summary>
25         /// 休学
26         /// </summary>
27         [Description("休学")]
28         Suspend = 3
29     }

1  foreach (var em in Enum.GetNames(typeof(StudentStatusEnum)))
2  {
3      var value = (int)Enum.Parse(typeof(StudentStatusEnum), em);
4      var name = ((StudentStatusEnum)Enum.Parse(typeof(StudentStatusEnum), em)).GetDescription();
5      lst.Add(new BusinessObject { Name=name,Code=value.ToString()});
6  }

 1 public static string GetDescription(this object o)
 2 {
 3             return GetEnumAtribute(o);
 4 }
 5 
 6 public static string GetEnumAtribute(object obj)
 7 {
 8             if (obj == null)
 9                 return string.Empty;
10             var o = GetCustomAttribute<DescriptionAttribute>(obj);
11             if (o != null)
12                 return o.Description;
13             return obj.ToString();
14 }
15 
16 public static ATT GetCustomAttribute<ATT>(object o) where ATT : Attribute
17         {
18             if (o == null)
19                 return default(ATT);
20             System.Reflection.FieldInfo f = o.GetType().GetField(o.ToString());
21             if (f == null)
22                 return default(ATT);
23             var a = f.GetCustomAttributes(typeof(ATT), true).FirstOrDefault();
24             if (a == null)
25                 return default(ATT);
26             else
27                 return (ATT)a;
28         }