namespace LMS.Common.Extensions
{
    public class BeijingTimeExtension
    {
        /// <summary>
        /// 获取北京时间，将时区转换为北京时间
        /// </summary>
        /// <returns></returns>
        public static DateTime GetBeijingTime()
        {
            return TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow,
                TimeZoneInfo.FindSystemTimeZoneById("China Standard Time"));
        }

        /// <summary>
        /// 将UTC时间转换为北京时间
        /// </summary>
        /// <param name="utcTime"></param>
        /// <returns></returns>
        public static DateTime TransferUtcToBeijingTime(DateTime utcTime)
        {
            return TimeZoneInfo.ConvertTimeFromUtc(utcTime,
                 TimeZoneInfo.FindSystemTimeZoneById("China Standard Time"));
        }
    }
}