ASP.NET自定义输出缓存提供程序(3)

        public override object Get(string key)

        {

            string path =

String.Format("{0}{1}.binary", cachePath, key);

            if (File.Exists(path))

            {

                FileStream fs = new FileStream(

path, FileMode.Open, FileAccess.Read);

                BinaryFormatter formatter = new BinaryFormatter();

                object result = formatter.Deserialize(fs);

                fs.Close();

                return result;

            }

            else

            {

                return null;

            }

        }

        /// <summary>

        /// 根据键移除缓存

        /// </summary>

        /// <param name="key">缓存键</param>

        public override void Remove(string key)

        {

            string path =

String.Format("{0}{1}.binary", cachePath, key);

            if (File.Exists(path))

            {

                File.Delete(path);

            }

        }

        /// <summary>

        /// 设置缓存

        /// </summary>

        /// <param name="key">缓存的键</param>

        /// <param name="entry">缓存的对象</param>