/// <summary> /// 取得计时时间段api调用次数 /// </summary> public async Task <long> GetApiRecordCountAsync(string api, Policy policy, string policyKey, string policyValue, DateTime now, int duration) { var key = FromatApiRecordKey(api, policy, policyKey, policyValue); return(await _db.ZCountAsync(key, now.Ticks - TimeSpan.FromSeconds(duration).Ticks, now.Ticks)); }