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  • Redis 使用demo

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    
    namespace RedisTest
    {
        class Program
        {
            static void Main(string[] args)
            {
                
                //读取数据,如果缓存存在直接从缓存中读取,否则从数据库读取然后写入redis
                using (var redisClient = RedisManager.GetClient())
                {
                    //Sorted Set类型,可手动指定score,优先级更高。没有指定就按照默认的字母排序。
                    redisClient.AddItemToSortedSet("a5", "ffff", 10);
                    redisClient.AddItemToSortedSet("a5", "bbbb");
                    redisClient.AddItemToSortedSet("a5", "gggg");
                    redisClient.AddItemToSortedSet("a5", "cccc", 20);
                    redisClient.AddItemToSortedSet("a5", "waaa", 1);
                    System.Collections.Generic.List<string> list = redisClient.GetAllItemsFromSortedSet("a5");
                    foreach (string str in list)
                    {
                        Console.WriteLine(str);
                    }
    
    
    
                        ////Set类型
                        ////对Set类型进行操作
                        //redisClient.AddItemToSet("a3", "ddd");
                        //redisClient.AddItemToSet("a3", "ccc");
                        //redisClient.AddItemToSet("a3", "tttt");
                        //redisClient.AddItemToSet("a3", "sssh");
                        //redisClient.AddItemToSet("a3", "hhhh");
                        //System.Collections.Generic.HashSet<string> hashset = redisClient.GetAllItemsFromSet("a3");
                        //foreach (string str in hashset)
                        //{
                        //    Console.WriteLine(str);
                        //}
                        ////求并集
                        //redisClient.AddItemToSet("a3", "ddd");
                        //redisClient.AddItemToSet("a3", "ccc");
                        //redisClient.AddItemToSet("a3", "tttt");
                        //redisClient.AddItemToSet("a3", "sssh");
                        //redisClient.AddItemToSet("a3", "hhhh");
                        //redisClient.AddItemToSet("a4", "hhhh");
                        //redisClient.AddItemToSet("a4", "h777");
                        //hashset = redisClient.GetUnionFromSets(new string[] { "a3", "a4" });
                        //foreach (string str in hashset)
                        //{
                        //    Console.WriteLine(str);
                        //}
                        ////求交集
                        //hashset = redisClient.GetIntersectFromSets(new string[] { "a3", "a4" });
                        //foreach (string str in hashset)
                        //{
                        //    Console.WriteLine(str);
                        //}
                        ////求差集.
                        //hashset = redisClient.GetDifferencesFromSet("a3", new string[] { "a4" });
                        //foreach (string str in hashset)
                        //{
                        //    Console.WriteLine(str);
                        //}
    
    
                        ////List数据类型
                        ////作为队列使用
                        //redisClient.EnqueueItemOnList("name", "zhangsan");
                        //redisClient.EnqueueItemOnList("name", "lisi");
                        //long count = redisClient.GetListCount("name");
                        //for (int i = 0; i < count; i++)
                        //{
                        //    Console.WriteLine(redisClient.DequeueItemFromList("name"));
                        //}
    
                        ////作为栈使用
                        //redisClient.PushItemToList("name2", "wangwu");
                        //redisClient.PushItemToList("name2", "maliu");
                        //count = redisClient.GetListCount("name2");
                        //for (int i = 0; i < count; i++)
                        //{
                        //    Console.WriteLine(redisClient.PopItemFromList("name2"));
                        //}
    
    
                        ////Hash类型
                        //redisClient.SetEntryInHash("user", "userInfo", "aaaaaaaaaab");
                        //redisClient.SetEntryInHash("user", "address", "bbbb");
                        //redisClient.SetEntryInHash("user", "address", "shang hai");
                        //List<string> list1 = redisClient.GetHashKeys("user");
                        //var userinfo = redisClient.GetValueFromHash("user", "userInfo");//获取值
                        //var address = redisClient.GetValueFromHash("user", "address");//获取值
    
    
    
                        ////String类型 --存储List<Model>数据
                        ////string UserName;
                        //Student student1 = new Student() { ID=1, Name="张三", Age=21};
                        //Student student2 = new Student() { ID = 2, Name = "李四", Age = 22 };
                        //Student student3 = new Student() { ID = 3, Name = "王五", Age = 23 };
                        //List<Student> students = new List<Student>() { student1, student2, student3};
                        //redisClient.Set<Student>("student1", student1);
                        //var s1 =  redisClient.Get<Student>("student1");
                        //printStuInfo(s1);
    
                        //redisClient.Set<List<Student>>("students", students);
                        //var list = redisClient.Get<List<Student>>("students");
                        //printStuList(list);
    
                        ////String类型 --存储简单的字符串
                        //UserName = redisClient.Get<string>("UserInfo_123");
                        //if (string.IsNullOrEmpty(UserName)) //初始化缓存
                        //{
                        //    //TODO 从数据库中获取数据,并写入缓存
                        //    UserName = "张三";
                        //    redisClient.Set<string>("UserInfo_123", UserName, DateTime.Now.AddSeconds(10));
                        //    Console.WriteLine("数据库数据:" + "张三");
                        //    //return;
                        //}
                        //Console.WriteLine("Redis缓存数据:" + UserName);
                    }
    
                Console.ReadLine();
            }
    
            public static void printStuInfo(Student s)
            {
                if (s != null)
                {
                    Console.WriteLine($"ID={s.ID},Name={s.Name},Age={s.Age}");
                }
            }
    
            public static void printStuList(List<Student> list)
            {
                if (list != null)
                {
                    foreach (var s in list)
                        printStuInfo(s);
                }
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/itjeff/p/14446439.html
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