Cache/CacheObject.cs

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using System;
using System.Collections.Specialized;
using System.Runtime.Caching;

namespace DataObject.Cache
{
    /// <summary>
    /// 缓存Object对象
    /// </summary>
    public class CacheObject{
        /// <summary>
        /// 缓存构造函数
        /// </summary>
        public CacheObject() { }

        /// <summary>
        /// 缓存构造函数
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public CacheObject(string key, NameValueCollection value) {
            AddCache(key, value);
        }

        /// <summary>
        /// 添加缓存
        /// </summary>
        /// <param name="key">缓存关键字</param>
        /// <param name="value">缓存对象</param>
        public void AddCache(string key, object value)
        {
            ObjectCache cache = MemoryCache.Default;
            if (cache[key] == null){
                CacheItemPolicy policy = new CacheItemPolicy();
                policy.AbsoluteExpiration = DateTime.Now.AddSeconds(CacheTime);
                cache.Add(key, value, policy);
            }
        }

        /// <summary>
        /// 获取缓存对象
        /// </summary>
        /// <param name="key">缓存关键字</param>
        /// <returns></returns>
        public object GetCache(string key) {
            ObjectCache cache = MemoryCache.Default;
            return cache[key];
        }

        /// <summary>
        /// 移除缓存
        /// </summary>
        /// <param name="key">缓存名</param>
        public bool Clear(string key) { 
            ObjectCache cache = MemoryCache.Default;
            bool isRemove=false;
            if (cache[key] != null) {
                isRemove = cache.Remove(key) != null;
            }
            return isRemove;