67 lines
1.9 KiB
C#
67 lines
1.9 KiB
C#
using Microsoft.Extensions.Caching.Distributed;
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using Microsoft.Extensions.Caching.Memory;
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namespace RB_MES_API.Context
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{
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/// <summary>
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/// 缓存处理
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/// </summary>
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public class CacheHelper
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{
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//public CacheHelper Defalut=new CacheHelper();
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private static IMemoryCache _cache =new MemoryCache(new MemoryCacheOptions());
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/// <summary>
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/// 读取缓存
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/// </summary>
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/// <param name="cacheKey"></param>
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/// <returns></returns>
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public static T GetCache<T>(string cacheKey)
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{
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if(string.IsNullOrEmpty(cacheKey))
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{
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throw new ArgumentNullException(nameof(cacheKey));
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}
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T cache;
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_cache.TryGetValue(cacheKey, out cache);
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return cache;
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}
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/// <summary>
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/// 设置缓存（滑动过期）
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key">关键字</param>
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/// <param name="value">缓存值</param>
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public static void Set_AbsluteExpire<T>(string key,T value)
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{
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if (string.IsNullOrEmpty(key))
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{
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throw new ArgumentNullException(nameof(key));
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}
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T v;
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if(_cache.TryGetValue(key, out v))
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{
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_cache.Remove(key);
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}
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_cache.Set(key, value, TimeSpan.FromMinutes(20));
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}
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/// <summary>
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/// 移除缓存
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/// </summary>
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/// <param name="key"></param>
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public static void Remove(string key)
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{
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if (string.IsNullOrEmpty(key))
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{
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throw new ArgumentNullException(nameof(key));
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}
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_cache.Remove(key);
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}
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public void Dispose()
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{
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if(_cache != null) { _cache.Dispose(); }
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GC.SuppressFinalize(this);
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}
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}
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}
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