42 lines
1.4 KiB
C#
42 lines
1.4 KiB
C#
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using MyCode.Project.Infrastructure.Cache;
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using MyCode.Project.Infrastructure.Exceptions;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace MyCode.Project.Infrastructure.Common
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{
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public static class CacheHelper
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{
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#region GetCacheValue(得到缓存中的值)
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/// <summary>
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/// 得到缓存中的值，用法： CacheHelper.GetCacheValue<long>("id",() => IdHelper.GetNewId());
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/// </summary>
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/// <typeparam name="T">要返回的对象实体</typeparam>
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/// <param name="cacheKey">缓存key</param>
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/// <param name="func">执行的函数</param>
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/// <param name="cacheSecond">多少秒，默认60</param>
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/// <returns></returns>
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public static T GetCacheValue<T>(string cacheKey,
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Func<T> func,
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int cacheSecond = 60)
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{
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if (string.IsNullOrWhiteSpace(cacheKey)) { throw new BaseException("缓存key参数cacheKey不能为空"); }
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var cache = new SystemCache();
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//该Token已经存在缓存了
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if (cache.Exists(cacheKey)) { return cache.Get<T>(cacheKey); }
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var returnValue = func.Invoke();
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if (returnValue != null) { cache.Set(cacheKey, returnValue, new TimeSpan(0, 0, cacheSecond)); }
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return returnValue;
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}
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#endregion
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}
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}
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