分布式缓存 Redis(二)

时间:2023-03-10 01:41:29
分布式缓存 Redis(二)

代码实例

namespace RedisTest
{
class Program
{
static void Main(string[] args)
{
Student stu = RedisOperator.Instance.Get<Student>("stu");
RedisOperator.Instance.Set<Student>("stu", new Student { Id = , Name = "bb" }, );
Student stu1 = RedisOperator.Instance.Get<Student>("stu");
Console.ReadKey();
}
}
class Student
{
public int Id { get; set; }
public string Name { get; set; }
}
}

控制台 program

using ServiceStack.Redis;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web; namespace RedisTest
{
/// <summary>
/// Install-Package ServiceStack.Redis
/// </summary>
public class RedisManager
{
/// <summary>
/// RedisManager类主要是创建链接池管理对象的
/// </summary>
private static string RedisPath = System.Configuration.ConfigurationManager.AppSettings["RedisPath"];
private static PooledRedisClientManager _prcm; /// <summary>
/// 静态构造方法,初始化链接池管理对象
/// </summary>
static RedisManager()
{
CreateManager();
} /// <summary>
/// 创建链接池管理对象
/// </summary>
private static void CreateManager()
{
_prcm = CreateManager(new string[] { RedisPath }, new string[] { RedisPath });
} private static PooledRedisClientManager CreateManager(string[] readWriteHosts, string[] readOnlyHosts)
{
//WriteServerList:可写的Redis链接地址。
//ReadServerList:可读的Redis链接地址。
//MaxWritePoolSize:最大写链接数。
//MaxReadPoolSize:最大读链接数。
//AutoStart:自动重启。
//LocalCacheTime:本地缓存到期时间,单位:秒。
//RecordeLog:是否记录日志,该设置仅用于排查redis运行时出现的问题,如redis工作正常,请关闭该项。
//RedisConfigInfo类是记录redis连接信息,此信息和配置文件中的RedisConfig相呼应 // 支持读写分离,均衡负载
return new PooledRedisClientManager(readWriteHosts, readOnlyHosts, new RedisClientManagerConfig
{
MaxWritePoolSize = , // “写”链接池链接数
MaxReadPoolSize = , // “读”链接池链接数
AutoStart = true,
});
} private static IEnumerable<string> SplitString(string strSource, string split)
{
return strSource.Split(split.ToArray());
} /// <summary>
/// 客户端缓存操作对象
/// </summary>
public static IRedisClient GetClient()
{
if (_prcm == null)
{
CreateManager();
}
return _prcm.GetClient();
}
} }

RedisManager

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ServiceStack.Redis;
using ServiceStack.Redis.Support; namespace RedisTest
{
public class RedisOperator:IDisposable
{
private IRedisClient _redis;
private int _defaultSessionMinute = ;
public RedisOperator()
{
this._redis = RedisManager.GetClient();
string RedisSessionTimeOutMinute = System.Configuration.ConfigurationManager.AppSettings["RedisSessionTimeOutMinute"];
if (!string.IsNullOrEmpty(RedisSessionTimeOutMinute) && !int.TryParse(RedisSessionTimeOutMinute, out this._defaultSessionMinute))
{
this._defaultSessionMinute = ;
}
}
private static RedisOperator _instance;
private static object lockobj = new object();
public static RedisOperator Instance {
get
{
if (_instance == null)
{
lock (lockobj)
{
if (_instance == null)
{
_instance = new RedisOperator();
}
}
}
return _instance;
} } public void Set<T>(string key, T obj, double minuteOut = )
{
if (minuteOut >= )
{
if (minuteOut == )
minuteOut = this._defaultSessionMinute;
this._redis.Set<T>(key, obj, TimeSpan.FromMinutes(minuteOut));
}
else
{
this._redis.Set<T>(key, obj);
}
} public T Get<T>(string key)
{
return this._redis.Get<T>(key);
} public bool Remove(string key)
{
return this._redis.Remove(key);
} public void Dispose()
{
try
{
if (this._redis != null)
this._redis.Dispose();
}
catch (Exception ex)
{ }
}
}
}

RedisOperator

webConfig

<appSettings>
<!--Redis 配置 -->
<add key="RedisPath" value="127.0.0.1:6379" />
<add key="RedisSessionTimeOutMinute" value="20" />
</appSettings>

1.Redis Manager 用于处理Reids 连接池

2.RedisOperator 负责Redis缓存的添加,删除

3.配置文件 RedisPath  Redis服务器地址,端口用默认的6379

4.RedisSessionTimeOutMinute  缓存过期时间可以通过配置默认20分钟 代码里边也可以传值设置时间的话就不走配置的默认值了(代码RedisOperator里有判断)

注意:1.由于redis的安全设置,只允许本地访问,

2.若要让其他iP 可访问,那么

a.在安装的redis 文件夹下找到redis.conf 文件 将 所有的bind 127.0.0.1   bind..  注释掉

b.在电脑防火墙  入站规则里边添加新建规则 redis   tcp 端口为 6379