1 public class DictDAL
 2 {
 3 public readonly static object locker = new object();
 4 
 5 public static Dictionary<DictTypeEnum, List<DictItem>> Dicts = new Dictionary<DictTypeEnum, List<DictItem>>();
 6 
 7 public List<DictItem> GetDict(DictTypeEnum dictTypeEnum)
 8 {
 9 if (Dicts.ContainsKey(dictTypeEnum))
10 {
11 return Dicts[dictTypeEnum];
12 }
13 else
14 {
15 lock (locker)
16 {
17 //这句判断是为了防止多线程同时请求同一个字典,当第一个字典从数据库加载后 第二个线程直接获取内容
18 if (Dicts.ContainsKey(dictTypeEnum))
19 {
20 return Dicts[dictTypeEnum];
21 }
22 
23 //从数据库的字典表加载对应数据
24 List<DictItem> analogList = new List<DictItem>();
25 analogList.Add(new DictItem() { Text = "名字1", Value = "1" });
26 analogList.Add(new DictItem() { Text = "名字2", Value = "2" });
27 
28 Dicts.Add(dictTypeEnum, analogList);
29 return analogList;
30 
31 }
32 
33 }
34 
35 }
36 
37 }
38 
39 public enum DictTypeEnum
40 {
41 验证手段,
42 性别,
43 装载类型,
44 }