1 public static partial class Extensions
2 {
3 #region 枚举成员转成dictionary类型
4 /// <summary>
5 /// 转成dictionary类型
6 /// </summary>
7 /// <param name="enumType"></param>
8 /// <returns></returns>
9 public static Dictionary<int, string> EnumToDictionary(this Type enumType)
10 {
11 Dictionary<int, string> dictionary = new Dictionary<int, string>();
12 Type typeDescription = typeof(DescriptionAttribute);
13 FieldInfo[] fields = enumType.GetFields();
14 int sValue = 0;
15 string sText = string.Empty;
16 foreach (FieldInfo field in fields)
17 {
18 if (field.FieldType.IsEnum)
19 {
20 sValue = ((int)enumType.InvokeMember(field.Name, BindingFlags.GetField, null, null, null));
21 object[] arr = field.GetCustomAttributes(typeDescription, true);
22 if (arr.Length > 0)
23 {
24 DescriptionAttribute da = (DescriptionAttribute)arr[0];
25 sText = da.Description;
26 }
27 else
28 {
29 sText = field.Name;
30 }
31 dictionary.Add(sValue, sText);
32 }
33 }
34 return dictionary;
35 }
36 /// <summary>
37 /// 枚举成员转成键值对Json字符串
38 /// </summary>
39 /// <param name="enumType"></param>
40 /// <returns></returns>
41 //public static string EnumToDictionaryString(this Type enumType)
42 //{
43 // List<KeyValuePair<int, string>> dictionaryList = EnumToDictionary(enumType).ToList();
44 // var sJson = JsonConvert.SerializeObject(dictionaryList);
45 // return sJson;
46 //}
47 #endregion
48
49 #region 获取枚举的描述
50 /// <summary>
51 /// 获取枚举值对应的描述
52 /// </summary>
53 /// <param name="enumType"></param>
54 /// <returns></returns>
55 public static string GetDescription(this System.Enum enumType)
56 {
57 FieldInfo EnumInfo = enumType.GetType().GetField(enumType.ToString());
58 if (EnumInfo != null)
59 {
60 DescriptionAttribute[] EnumAttributes = (DescriptionAttribute[])EnumInfo.GetCustomAttributes(typeof(DescriptionAttribute), false);
61 if (EnumAttributes.Length > 0)
62 {
63 return EnumAttributes[0].Description;
64 }
65 }
66 return enumType.ToString();
67 }
68 #endregion
69
70 #region 根据值获取枚举的描述
71 public static string GetDescriptionByEnum<T>(this object obj)
72 {
73 var tEnum = System.Enum.Parse(typeof(T), obj.ParseToString()) as System.Enum;
74 var description = tEnum.GetDescription();
75 return description;
76 }
77 #endregion
78 }
