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()); } } }
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