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  • Redis常见用法

    using ServiceStack.Redis;
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading;

    namespace FeigeRedisDB
    {
    public class Student
    {
    public string id { get; set; }
    public string name { get; set; }
    }
    class Program
    {
    static void Main(string[] args)
    {
    //在Redis中存储常用的5种数据类型:String,Hash,List,SetSorted set

    RedisClient client = new RedisClient("127.0.0.1", 6379);
    client.FlushAll();

    #region string
    client.Add<string>("StringValueTime", "我已设置过期时间噢10秒后会消失", DateTime.Now.AddMilliseconds(10000));
    while (true)
    {
    if (client.ContainsKey("StringValueTime"))
    {
    Console.WriteLine("String.键:StringValue,值:{0} {1}", client.Get<string>("StringValueTime"), DateTime.Now);
    Thread.Sleep(5000);
    }
    else
    {
    Console.WriteLine("键:StringValue,值:我已过期 {0}", DateTime.Now);
    break;
    }
    }

    client.Add<string>("StringValue", " String和Memcached操作方法差不多");
    Console.WriteLine("数据类型为:String.键:StringValue,值:{0}", client.Get<string>("StringValue"));

    Student stud = new Student() { id = "1001", name = "李四" };
    client.Add<Student>("StringEntity", stud);
    Student Get_stud = client.Get<Student>("StringEntity");
    Console.WriteLine("数据类型为:String.键:StringEntity,值:{0} {1}", Get_stud.id, Get_stud.name);
    #endregion

    #region Hash
    client.SetEntryInHash("HashID", "Name", "张三");
    client.SetEntryInHash("HashID", "Age", "24");
    client.SetEntryInHash("HashID", "Sex", "男");
    client.SetEntryInHash("HashID", "Address", "上海市XX号XX室");

    List<string> HaskKey = client.GetHashKeys("HashID");
    foreach (string key in HaskKey)
    {
    Console.WriteLine("HashID--Key:{0}", key);
    }

    List<string> HaskValue = client.GetHashValues("HashID");
    foreach (string value in HaskValue)
    {
    Console.WriteLine("HashID--Value:{0}", value);
    }

    List<string> AllKey = client.GetAllKeys(); //获取所有的key。
    foreach (string Key in AllKey)
    {
    Console.WriteLine("AllKey--Key:{0}", Key);
    }
    #endregion

    #region List
    /*
    * list是一个链表结构,主要功能是push,pop,获取一个范围的所有的值等,操作中key理解为链表名字。
    * Redis的list类型其实就是一个每个子元素都是string类型的双向链表。我们可以通过push,pop操作从链表的头部或者尾部添加删除元素,
    * 这样list既可以作为栈,又可以作为队列。Redis list的实现为一个双向链表,即可以支持反向查找和遍历,更方便操作,不过带来了部分额外的内存开销,
    * Redis内部的很多实现,包括发送缓冲队列等也都是用的这个数据结构
    */
    client.EnqueueItemOnList("QueueListId", "1.张三"); //入队
    client.EnqueueItemOnList("QueueListId", "2.张四");
    client.EnqueueItemOnList("QueueListId", "3.王五");
    client.EnqueueItemOnList("QueueListId", "4.王麻子");
    int q = client.GetListCount("QueueListId");
    for (int i = 0; i < q; i++)
    {
    Console.WriteLine("QueueListId出队值:{0}", client.DequeueItemFromList("QueueListId")); //出队(队列先进先出)
    }

    client.PushItemToList("StackListId", "1.张三"); //入栈
    client.PushItemToList("StackListId", "2.张四");
    client.PushItemToList("StackListId", "3.王五");
    client.PushItemToList("StackListId", "4.王麻子");
    int p = client.GetListCount("StackListId");
    for (int i = 0; i < p; i++)
    {
    Console.WriteLine("StackListId出栈值:{0}", client.PopItemFromList("StackListId")); //出栈(栈先进后出)
    }


    #endregion

    #region Set无序集合
    /*
    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
    */
    client.AddItemToSet("Set1001", "小A");
    client.AddItemToSet("Set1001", "小B");
    client.AddItemToSet("Set1001", "小C");
    client.AddItemToSet("Set1001", "小D");
    HashSet<string> hastsetA = client.GetAllItemsFromSet("Set1001");
    foreach (string item in hastsetA)
    {
    Console.WriteLine("Set无序集合ValueA:{0}", item); //出来的结果是无须的
    }

    client.AddItemToSet("Set1002", "小K");
    client.AddItemToSet("Set1002", "小C");
    client.AddItemToSet("Set1002", "小A");
    client.AddItemToSet("Set1002", "小J");
    HashSet<string> hastsetB = client.GetAllItemsFromSet("Set1002");
    foreach (string item in hastsetB)
    {
    Console.WriteLine("Set无序集合ValueB:{0}", item); //出来的结果是无须的
    }

    HashSet<string> hashUnion = client.GetUnionFromSets(new string[] { "Set1001", "Set1002" });
    foreach (string item in hashUnion)
    {
    Console.WriteLine("求Set1001和Set1002的并集:{0}", item); //并集
    }

    HashSet<string> hashG = client.GetIntersectFromSets(new string[] { "Set1001", "Set1002" });
    foreach (string item in hashG)
    {
    Console.WriteLine("求Set1001和Set1002的交集:{0}", item); //交集
    }

    HashSet<string> hashD = client.GetDifferencesFromSet("Set1001", new string[] { "Set1002" }); //[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]
    foreach (string item in hashD)
    {
    Console.WriteLine("求Set1001和Set1002的差集:{0}", item); //差集
    }

    #endregion

    #region SetSorted 有序集合
    /*
    sorted set 是set的一个升级版本,它在set的基础上增加了一个顺序的属性,这一属性在添加修改.元素的时候可以指定,
    * 每次指定后,zset(表示有序集合)会自动重新按新的值调整顺序。可以理解为有列的表,一列存 value,一列存顺序。操作中key理解为zset的名字.
    */
    client.AddItemToSortedSet("SetSorted1001", "1.刘仔");
    client.AddItemToSortedSet("SetSorted1001", "2.星仔");
    client.AddItemToSortedSet("SetSorted1001", "3.猪仔");
    List<string> listSetSorted = client.GetAllItemsFromSortedSet("SetSorted1001");
    foreach (string item in listSetSorted)
    {
    Console.WriteLine("SetSorted有序集合{0}", item);
    }
    #endregion

    Console.ReadKey();
    }
    }
    }

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  • 原文地址:https://www.cnblogs.com/feige/p/5887117.html
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