码迷,mamicode.com
首页 > Windows程序 > 详细

C#缓存 CacheHelper

时间:2016-06-15 14:05:45      阅读:854      评论:0      收藏:0      [点我收藏+]

标签:

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Caching;
using System.Web;

namespace Framework.Common
{
    /// <summary>
    /// 缓存辅助类
    /// </summary>
    public class CacheHelper
    {
        /// <summary>
        /// 创建缓存项的文件依赖
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <param name="obj">object对象</param>
        /// <param name="fileName">文件绝对路径</param>
        public static void Insert(string key, object obj, string fileName)
        {
            //创建缓存依赖项
            CacheDependency dep = new CacheDependency(fileName);
            //创建缓存
            HttpRuntime.Cache.Insert(key, obj, dep);
        }

        /// <summary>
        /// 创建缓存项过期
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <param name="obj">object对象</param>
        /// <param name="expires">过期时间(分钟)</param>
        public static void Insert(string key, object obj, int expires)
        {
            if (string.IsNullOrEmpty(key) || obj == null)
            {
                return;
            }
            HttpRuntime.Cache.Insert(key, obj, null, Cache.NoAbsoluteExpiration, new TimeSpan(0, expires, 0));
        }

        /// <summary>
        /// 获取缓存对象
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <returns>object对象</returns>
        public static object Get(string key)
        {
            if (string.IsNullOrEmpty(key))
            {
                return null;
            }
            return HttpRuntime.Cache.Get(key);
        }

        /// <summary>
        /// 获取缓存对象
        /// </summary>
        /// <typeparam name="T">T对象</typeparam>
        /// <param name="key">缓存Key</param>
        /// <returns></returns>
        public static T Get<T>(string key)
        {
            object obj = Get(key);
            return obj == null ? default(T) : (T)obj;
        }
    }
}

  

C#缓存 CacheHelper

标签:

原文地址:http://www.cnblogs.com/xsj1989/p/5587213.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!