Memcached帮助类

一.如果用官方提供的方法,在web.config里面配置好了各个参数和服务器IP

<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="enyim.com">
<section name="memcached" type="Enyim.Caching.Configuration.MemcachedClientSection, Enyim.Caching"/>
</sectionGroup>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</configSections>
<enyim.com>
<memcached protocol="Text">
<servers>
<add address="127.0.0.1" port="" />
<add address="127.0.0.1" port="" />
<add address="127.0.0.1" port="" />
<add address="127.0.0.1" port="" />
</servers>
<socketPool minPoolSize="" maxPoolSize="" connectionTimeout="00:00:05" deadTimeout="00:02:00" />
</memcached>
</enyim.com>
<system.web>
<compilation debug="true" targetFramework="4.0"/>
</system.web>
</configuration>

则使用该通用类即可,组件自动调用web.config里面的配置。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Enyim.Caching;
using Enyim.Caching.Configuration;
using Enyim.Caching.Memcached;
/// <summary>
/// MemberHelper 的摘要说明
/// </summary>
public abstract class MemberHelper
{
public MemberHelper()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
#region 添加缓存
/// <summary>
/// 添加缓存(键不存在则添加,存在则替换)
/// </summary>
/// <param name="key">键</param>
/// <param name="value">值</param>
/// <returns></returns>
public static bool AddCache(string key, object value)
{
using (MemcachedClient mc = new MemcachedClient())
{
return mc.Store(StoreMode.Set, key, value);
}
}
#endregion
#region 添加缓存
/// <summary>
/// 添加缓存(键不存在则添加,存在则替换)
/// </summary>
/// <param name="key">键</param>
/// <param name="value">值</param>
/// <param name="minutes">缓存时间(分钟)</param>
/// <returns></returns>
public static bool AddCache(string key, object value, int minutes)
{
using (MemcachedClient mc = new MemcachedClient())
{
return mc.Store(StoreMode.Set, key, value, DateTime.Now.AddMinutes(minutes));
}
}
#endregion
#region 获取缓存
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="key">键</param>
/// <returns>返回缓存,没有找到则返回null</returns>
public static object GetCache(string key)
{
using (MemcachedClient mc = new MemcachedClient())
{
return mc.Get(key);
}
}
#endregion
#region 是否存在该缓存
/// <summary>
/// 是否存在该缓存
/// </summary>
/// <param name="key">键</param>
/// <returns></returns>
public static bool IsExists(string key)
{
using (MemcachedClient mc = new MemcachedClient())
{
return mc.Get(key) != null;
}
}
#endregion
#region 删除缓存(如果键不存在,则返回false)
/// <summary>
/// 删除缓存(如果键不存在,则返回false)
/// </summary>
/// <param name="key">键</param>
/// <returns>成功:true失败:false</returns>
public static bool DelCache(string key)
{
using (MemcachedClient mc = new MemcachedClient())
{
return mc.Remove(key);
}
}
#endregion
#region 清空缓存
/// <summary>
/// 清空缓存
/// </summary>
public static void FlushCache()
{
using (MemcachedClient mc = new MemcachedClient())
{
mc.FlushAll();
}
}
#endregion
}

二.如果不想在web.config配置,那就使用下面的通用类。

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Web;
using Enyim.Caching;
using Enyim.Caching.Configuration;
using Enyim.Caching.Memcached;
/// <summary>
/// MemberHelper 的摘要说明
/// </summary>
public abstract class MemberHelper
{
public MemberHelper()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
#region 创建Memcache客户端
/// <summary>
/// 创建Memcache客户端
/// </summary>
/// <param name="serverList">服务列表</param>
/// <returns></returns>
private static MemcachedClient CreateServer(List<IPEndPoint> serverList)
{
MemcachedClientConfiguration config = new MemcachedClientConfiguration();//创建配置参数
for (int i = ; i < serverList.Count; i++)
{
config.Servers.Add(new System.Net.IPEndPoint(IPAddress.Parse(serverList[i].Address.ToString()), serverList[i].Port));//增加服务节点
}
config.Protocol = MemcachedProtocol.Text;
config.Authentication.Type = typeof(PlainTextAuthenticator);//设置验证模式
config.Authentication.Parameters["userName"] = "uid";//用户名参数
config.Authentication.Parameters["password"] = "pwd";//密码参数
MemcachedClient mac = new MemcachedClient(config);//创建客户端
return mac;
}
#endregion
#region 添加缓存
/// <summary>
/// 添加缓存(键不存在则添加,存在则替换)
/// </summary>
/// <param name="serverList">服务器列表</param>
/// <param name="key">键</param>
/// <param name="value">值</param>
/// <returns></returns>
public static bool AddCache(List<IPEndPoint> serverList, string key, object value)
{
using (MemcachedClient mc = CreateServer(serverList))
{
return mc.Store(StoreMode.Set, key, value);
}
}
#endregion
#region 添加缓存
/// <summary>
/// 添加缓存(键不存在则添加,存在则替换)
/// </summary>
/// <param name="serverList">服务器列表</param>
/// <param name="key">键</param>
/// <param name="value">值</param>
/// <param name="minutes">缓存时间(分钟)</param>
/// <returns></returns>
public static bool AddCache(List<IPEndPoint> serverList,string key, object value, int minutes)
{
using (MemcachedClient mc = CreateServer(serverList))
{
return mc.Store(StoreMode.Set, key, value, DateTime.Now.AddMinutes(minutes));
}
}
#endregion
#region 获取缓存
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="serverList">服务器列表</param>
/// <param name="key">键</param>
/// <returns>返回缓存,没有找到则返回null</returns>
public static object GetCache(List<IPEndPoint> serverList,string key)
{
using (MemcachedClient mc = CreateServer(serverList))
{
return mc.Get(key);
}
}
#endregion
#region 是否存在该缓存
/// <summary>
/// 是否存在该缓存
/// </summary>
/// <param name="serverList">服务器列表</param>
/// <param name="key">键</param>
/// <returns></returns>
public static bool IsExists(List<IPEndPoint> serverList,string key)
{
using (MemcachedClient mc = CreateServer(serverList))
{
return mc.Get(key) != null;
}
}
#endregion
#region 删除缓存(如果键不存在,则返回false)
/// <summary>
/// 删除缓存(如果键不存在,则返回false)
/// </summary>
/// <param name="serverList">服务器列表</param>
/// <param name="key">键</param>
/// <returns>成功:true失败:false</returns>
public static bool DelCache(List<IPEndPoint> serverList, string key)
{
using (MemcachedClient mc = CreateServer(serverList))
{
return mc.Remove(key);
}
}
#endregion
#region 清空缓存
/// <summary>
/// 清空缓存
/// </summary>
/// <param name="serverList">服务器列表</param>
public static void FlushCache(List<IPEndPoint> serverList)
{
using (MemcachedClient mc = CreateServer(serverList))
{
mc.FlushAll();
}
}
#endregion
}
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