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douyin/utils/DateTimeUtil.cs
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2025-09-30 15:00:32 +08:00

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namespace dy.net.utils
{
public class DateTimeUtil
{
public static DateTime Convert10BitTimestamp(long timestamp)
{
// 1. 定义Unix时间戳的起始时间(1970-01-01 UTC
DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
// 2. 计算目标时间(UTC时区):起始时间 + 时间戳(秒数)
DateTime utcTime = epoch.AddSeconds(timestamp);
// 3. 转换为本地时间(可选,根据需求选择UTC或本地时间)
DateTime localTime = utcTime.ToLocalTime();
return localTime;
// 4. 格式化为yyyy-MM-dd HH:mm:ss
//return localTime.ToString("yyyy-MM-dd HH:mm:ss");
}
/// <summary>
/// 获取当前Unix时间戳(毫秒级)
/// </summary>
/// <returns>毫秒级时间戳(long类型)</returns>
public static long GetUnixTimestampMilliseconds()
{
DateTimeOffset epoch = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero);
// 计算当前UTC时间与纪元时间的差值(毫秒)
long timestamp = (long)(DateTimeOffset.UtcNow - epoch).TotalMilliseconds;
return timestamp;
}
}
}