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删除 'CacheHelper.cs'

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童毓泽 3 years ago
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36031b91aa
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      CacheHelper.cs

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CacheHelper.cs View File

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Caching;
/// <summary>
///CacheHelper 的摘要说明
/// </summary>
///
namespace Basic
{
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
HttpContext.Current.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)
{
HttpContext.Current.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 HttpContext.Current.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;
}
}
}

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