42 lines
1.4 KiB
C#
42 lines
1.4 KiB
C#
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using langguanApi.Common.Redis;
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using langguanApi.Extensions.AutoDI;
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using Newtonsoft.Json;
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using StackExchange.Redis;
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namespace langguanApi.Common
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{
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/// <summary>
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/// 缓存管理
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/// </summary>
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[ServiceInjection(InjectionType.Singleton)]
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public class CacheManager
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{
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private readonly IDatabase _redisDatabase;
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public CacheManager(RedisHelper redisHelper)
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{
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_redisDatabase = redisHelper._database;
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}
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/// <summary>
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/// 缓存数据
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="cacheKey"></param>
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/// <param name="dataFetcher"></param>
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/// <param name="seconds">缓存时间秒，0=int.max ，</param>
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/// <returns></returns>
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public async Task<T> GetConvertVale<T>(string cacheKey, Func<Task<T>> dataFetcher, int seconds = 0)
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{
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var cacheData = await _redisDatabase.StringGetAsync(cacheKey);
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if (cacheData.IsNull)
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{
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var temp = await dataFetcher();
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cacheData = JsonConvert.SerializeObject(temp);
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seconds = seconds == 0 ? int.MaxValue : seconds;
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await _redisDatabase.StringSetAsync(cacheKey, cacheData, TimeSpan.FromSeconds(seconds), When.NotExists);
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return temp;
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}
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return JsonConvert.DeserializeObject<T>(cacheData);
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}
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}
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}
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