sfc修复：

Win+X—命令提示符（管理员）—sfc /scannow—Enter可以查看是否存在系统文件损坏等问题

以管理员权限运行命令提示符，执行“dism /online /cleanup-image /restorehealth”命令，Windows将自动联网修复损坏的文件。

一、在Windows中安装redis数据库

1、在Windows上安装Redis,安装的时候把加入到环境变量勾选上。
2、安装好后，win+r打开运行输入cmd进入控制台程序，直接输入redis-cli并且输入ping，回复pong则链接成功，

1、简单字符串存取
set key value
get key
···

3、安装RedisStudio，redis管理界面，个人觉得最好使用的。

二、在Ubuntu中安装redis数据库

1、在Vmware中安装Ubuntu虚拟机；
2、安装redis

//下载redis-3.2.6
sudo wget http://download.redis.io/releases/redis-3.2.6.tar.gz
//解压redis-3.2.6
sudo tar -zxvf redis-3.2.6.tar.gz

3、在~/下新建一个redis文件夹并且将redis-3.2.6下的文件全部拷贝进该redis文件夹下

//如果没有安装gcc
sudo apt-get install gcc
//进入redis文件夹执行make
sudo make
sudo make install

4、此时就将redis安装到了/usr/local/bin（服务端，客户端都在里面启动）下了

//进入/usr/local/bin文件夹中
cd /usr/local/bin
//启动redis-server
redis-server ~/redis/redis.conf
redis-cli

5、为了能在我们的win中访问linux下的redis，我们还需要对redis.conf进行少量的更改

protected-mode yes  --> protected-mode no
bind 127.0.0.1      --> #bind 127.0.0.1

6、在终端输入ifconfig，查看ubuntu的IP地址inet addr:xxx.xxx.xxx.xxx

三、C#使用redis

1、Nuget安装StackExchange.Redis,程序中加入SeRedisHelper类

/**************************************************************** 
 * 作    者：xuxuzhaozhao
 * CLR 版本：4.0.30319.42000 
 * 创建时间：2017/5/8 9:12:47 
 * 当前版本：1.0.0.1 
 *  
 * 描述说明： StackExchange.Redis 的帮助类
 * 
 * 修改历史： 
 * 
*****************************************************************/

using System;
using StackExchange.Redis;
using System.Configuration;
using System.Collections.Generic;

namespace Common.Redis
{
    public class SERedisHelper
    {
        private static string _conn = ConfigurationManager.AppSettings["RedisConnectString"]

        /// <summary>
        /// 存下实体
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key">键</param>
        /// <param name="t">实体</param>
        /// <param name="ts">过期时间</param>
        /// <returns></returns>
        public static bool Set<T>(string key, T t, TimeSpan ts)
        {
            using (var client = ConnectionMultiplexer.Connect(_conn))
            {
                var jsonstr = Newtonsoft.Json.JsonConvert.SerializeObject(t);
                return client.GetDatabase().StringSet(key, jsonstr, ts);
            }
        }

        /// <summary>
        /// 根据键来获取实体
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key">键</param>
        /// <returns></returns>
        public static T GetEntityBykey<T>(string key) where T : class
        {
            using (var client = ConnectionMultiplexer.Connect(_conn))
            {
                var jsonstr = client.GetDatabase().StringGet(key);
                return string.IsNullOrEmpty(jsonstr) ? null : Newtonsoft.Json.JsonConvert.DeserializeObject<T>(jsonstr);
            }
        }

        /// <summary>
        /// 存单个键值对
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <param name="ts">过期时间</param>
        /// <returns></returns>
        public static bool StringSetSingle(string key, string value, TimeSpan ts)
        {
            using (var client = ConnectionMultiplexer.Connect(_conn))
            {
                return client.GetDatabase().StringSet(key, value, ts);
            }
        }

        /// <summary>
        /// 取单个值
        /// </summary>
        /// <param name="key">键</param>
        /// <returns></returns>
        public static string StringGetSingle(string key)
        {
            try
            {
                using (var client = ConnectionMultiplexer.Connect(_conn))
                {
                    return client.GetDatabase().StringGet(key);
                }
            }
            catch (Exception)
            {

                return null;
            }
        }

        /// <summary>
        /// 批量存值
        /// </summary>
        /// <param name="keys">键数组</param>
        /// <param name="values">值数组</param>
        /// <returns></returns>
        public static bool StringSetMany(string[] keys, string[] values)
        {
            var count = keys.Length;
            var keyValuePair = new KeyValuePair<RedisKey, RedisValue>[count];
            for (int i = 0; i < count; i++)
            {
                keyValuePair[i] = new KeyValuePair<RedisKey, RedisValue>(keys[i], keys[i]);
            }
            using (var client = ConnectionMultiplexer.Connect(_conn))
            {
                return client.GetDatabase().StringSet(keyValuePair);
            }
        }

        /// <summary>
        /// 批量获取值
        /// </summary>
        /// <param name="keysStrings">键数组</param>
        /// <returns></returns>
        public static string[] StringGetMany(string[] keysStrings)
        {
            var count = keysStrings.Length;
            var keys = new RedisKey[count];
            var values = new string[count];
            for (int i = 0; i < count; i++)
            {
                keys[i] = keysStrings[i];
            }
            try
            {
                using (var client = ConnectionMultiplexer.Connect(_conn))
                {
                    var valuess = client.GetDatabase().StringGet(keys);
                    for (int i = 0; i < count; i++)
                    {
                        values[i] = valuess[i];
                    }
                    return values;
                }
            }
            catch (Exception)
            {
                return null;
            }
        }

        /// <summary>
        /// 删除键，即把这条数据删除
        /// </summary>
        /// <param name="key">键</param>
        /// <returns></returns>
        public static bool DeleteKey(string key)
        {
            using (var client = ConnectionMultiplexer.Connect(_conn))
            {
                return client.GetDatabase().KeyDelete(key);
            }
        }
    }
}

2、使用

/**************************************************************** 
 * 作    者：xuxuzhaozhao
 * CLR 版本：4.0.30319.42000 
 * 创建时间：2017/5/8 10:30:26
 * 当前版本：1.0.0.1 
 *  
 * 描述说明： 
 * 
 * 修改历史： 
 * 
*****************************************************************/

using System;
using Common.Redis;

namespace Redis.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            var loginUser = new LoginUser
            {
                Id = 1,
                Name = "xuxuzhaozhao",
                Gender = true,
                CreateTime = DateTime.Today,
                Money = 12.12M
            };
            var updateUser = new LoginUser
            {
                Id = 2,
                Name = "xuchengyi",
                Gender = false,
                CreateTime = DateTime.Now,
                Money = 19.92M
            };

            while (true)
            {
                Console.WriteLine();
                Console.WriteLine("========================================");
                Console.WriteLine("请输入想要对实体进行的操作：");
                Console.WriteLine("1、将实体加入Redis；");
                Console.WriteLine("2、从Redis查询实体；");
                Console.WriteLine("3、从Redis更改实体；");
                Console.WriteLine("4、从Redis删除实体；");
                Console.WriteLine("=======================================");
                var op = Console.ReadLine();
                switch (op)
                {
                    case "1":
                        Console.WriteLine("请输入键名：");
                        var key1 = Console.ReadLine();
                        if(SERedisHelper.Set(key1,loginUser,new TimeSpan(0,0,30,0)))
                            Console.WriteLine("实体成功加入Redis！过期时间为30分钟！");
                        else
                            Console.WriteLine("加入失败！");
                        break;
                    case "2":
                        Console.WriteLine("请输入要查询值对应的键：");
                        var key2 = Console.ReadLine();
                        LoginUser user = SERedisHelper.GetEntityBykey<LoginUser>(key2);
                        if (user != null)
                        {
                            Console.WriteLine("查询成功！实体信息如下：");
                            Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(user));
                        }
                        else
                            Console.WriteLine("没有查询到{0}对应的实体！",key2);
                        break;
                    case "3":
                        Console.WriteLine("请输入要更改的键：");
                        var key3 = Console.ReadLine();
                        if(SERedisHelper.Set(key3,updateUser,new TimeSpan(0, 0, 30, 0)))
                            Console.WriteLine("实体更新成功！");
                        else
                            Console.WriteLine("更新失败！");
                        break;
                    case "4":
                        Console.WriteLine("请输入要删除实体对应的键：");
                        var key4 = Console.ReadLine();
                        if (SERedisHelper.DeleteKey(key4))
                            Console.WriteLine("实体删除成功！");
                        else
                            Console.WriteLine("删除失败！");
                        break;
                    default:
                        Console.WriteLine("请输入数字进行操作！");
                        break;
                }
            }
        }
    }

    class LoginUser
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public bool Gender { get; set; }
        public DateTime CreateTime { get; set; }
        public decimal Money { get; set; }
    }
}

Redis可以到Linux公社资源站下载：