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  • C#操作Redis Set 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         }
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  • 原文地址:https://www.cnblogs.com/youmingkuang/p/14276934.html
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