Cache缓存帮助类
public class Cache
{
private static Cache _cache = HttpRuntime.Cache;
/// <summary>
/// 本地缓存获取
/// </summary>
/// <param name="name">key</param>
/// <returns></returns>
public static object GetCache(string name)
{
return Cache._cache.Get(name);
}
/// <summary>
/// 本地缓存写入(默认缓存20min)
/// </summary>
/// <param name="name">key</param>
/// <param name="value">value</param>
public static void SetCache(string name, object value)
{
Cache._cache.Insert(name, value, null, Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes(20.0));
}
/// <summary>
/// 本地缓存写入
/// </summary>
/// <param name="name">key</param>
/// <param name="value">value</param>
/// <param name="minutes">缓存分钟</param>
public static void SetCache(string name, object value, int minutes)
{
Cache._cache.Insert(name, value, null, Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes((double)minutes));
}
/// <summary>
/// 读取缓存
/// </summary>
/// <param name="cacheKey">键</param>
/// <returns></returns>
public static T GetCache<T>(string cacheKey) where T : class
{
bool flag = Cache._cache[cacheKey] != null;
T result;
if (flag)
{
result = (T)Cache._cache[cacheKey];
}
else
{
result = default(T);
}
return result;
}
/// <summary>
/// 写入缓存
/// </summary>
/// <param name="value">对象数据</param>
/// <param name="cacheKey">键</param>
public static void SetCache<T>(T value, string cacheKey) where T : class
{
Cache._cache.Insert(cacheKey, value, null, DateTime.Now.AddMinutes(20.0), Cache.NoSlidingExpiration);
}
/// <summary>
/// 写入缓存
/// </summary>
/// <param name="value">对象数据</param>
/// <param name="cacheKey">键</param>
/// <param name="expireTime">到期时间</param>
public static void SetCache<T>(T value, string cacheKey, DateTime expireTime) where T : class
{
Cache._cache.Insert(cacheKey, value, null, expireTime, Cache.NoSlidingExpiration);
}
/// <summary>
/// 移除指定数据缓存
/// </summary>
/// <param name="cacheKey">键</param>
public static void RemoveCache(string cacheKey)
{
Cache._cache.Remove(cacheKey);
}
/// <summary>
/// 移除全部缓存
/// </summary>
public static void RemoveCache()
{
IDictionaryEnumerator enumerator = Cache._cache.GetEnumerator();
while (enumerator.MoveNext())
{
Cache._cache.Remove(enumerator.Key.ToString());
}
}
}
本文来自博客园,作者:码农阿亮,转载请注明原文链接:https://www.cnblogs.com/wml-it/p/16522486.html
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