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简化行情缓存策略：股票固定缓存5分钟，不再区分交易时段

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claw_bot 2026-03-12 04:43:36 +00:00
parent f7626b1113
commit 049050d88e
1 changed files with 4 additions and 13 deletions
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17
AssetManager.Infrastructure/Services/MarketDataService.cs
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@ -476,20 +476,11 @@ public class MarketDataService : IMarketDataService
/// </summary> /// </summary>
private DateTime GetCacheExpirationTime(string assetType) private DateTime GetCacheExpirationTime(string assetType)
{ {
if (assetType.Equals("crypto", StringComparison.OrdinalIgnoreCase)) return assetType.ToLower() switch
{ {
return DateTime.Now.AddMinutes(1); // 加密货币7*24小时交易，缓存1分钟 "crypto" => DateTime.Now.AddMinutes(1), // 加密货币缓存1分钟
} _ => DateTime.Now.AddMinutes(5) // 股票固定缓存5分钟
};
// 美股交易时段：9:30-16:00 美国东部时间 = 14:30-21:00 UTC（夏令时）/15:30-22:00 UTC（冬令时）
// 简化处理：UTC时间14:00-22:00视为美股交易时段
var nowUtc = DateTime.UtcNow;
if (nowUtc.Hour >= 14 && nowUtc.Hour < 22 && nowUtc.DayOfWeek is not DayOfWeek.Saturday and not DayOfWeek.Sunday)
{
return DateTime.Now.AddMinutes(15); // 交易时段缓存15分钟
}
return DateTime.Now.AddHours(24); // 非交易时段（盘前/盘后/周末）缓存24小时，节省API调用
} }
} }