redis 有序集合 降序 redis无序集合

 

1 /// <summary>
 2         /// redis 无序集合
 3         /// </summary>
 4         public static void Redis_Set()
 5         {
 6             RedisClient client = new RedisClient("127.0.0.1", 6379);
 7             //清空数据库缓存，慎用
 8             client.FlushAll();
 9             #region Set无序集合
10             /*
11              它是string类型的无序集合。set是通过hash table实现的，添加，删除和查找,对集合我们可以取并集，交集，差集
12              */
13             client.AddItemToSet("Set1", "lily");
14             client.AddItemToSet("Set1", "lucy");
15             client.AddItemToSet("Set1", "hanmeimei");
16             client.AddItemToSet("Set1", "lilei");
17             HashSet<string> hastsetA = client.GetAllItemsFromSet("Set1");
18             foreach (string item in hastsetA)
19             {
20                 Console.WriteLine("Set无序集合ValueA:{0}", item); //出来的结果是无须的
21             }
22 
23             client.AddItemToSet("Set2", "lilei");
24             client.AddItemToSet("Set2", "liming");
25             client.AddItemToSet("Set2", "lucy");
26             client.AddItemToSet("Set2", "mr wang");
27             HashSet<string> hastsetB = client.GetAllItemsFromSet("Set2");
28             foreach (string item in hastsetB)
29             {
30                 Console.WriteLine("Set无序集合ValueB:{0}", item); //出来的结果是无序的
31             }
32             //求并集
33             HashSet<string> hashUnion = client.GetUnionFromSets(new string[] { "Set1", "Set2" });
34             //便利结果数据
35             foreach (string item in hashUnion)
36             {
37                 Console.WriteLine("求Set1和Set2的并集:{0}", item); //并集
38             }
39             //求交集
40             HashSet<string> hashG = client.GetIntersectFromSets(new string[] { "Set1", "Set2" });
41             //便利结果数据
42             foreach (string item in hashG)
43             {
44                 Console.WriteLine("求Set1和Set2的交集:{0}", item);  //交集
45             }
46             //[返回存在于第一个集合，但是不存在于其他集合的数据。差集]
47             HashSet<string> hashD = client.GetDifferencesFromSet("Set1", new string[] { "Set2" });  
48             foreach (string item in hashD)
49             {
50                 Console.WriteLine("求Set1和Set2的差集:{0}", item);  //差集
51             }
52 
53             #endregion
54         }