//时区时间与本地时间的相互转换，方法一：
var localTime = TimeZone.CurrentTimeZone.ToLocalTime(DateTime.UtcNow);
var utcTime = TimeZone.CurrentTimeZone.ToUniversalTime(DateTime.Now);
//时区时间与本地时间的相互转换，方法二：
TimeZoneInfo tzi = TimeZoneInfo.Local;
var testTime1 = DateTime.UtcNow;
var ret1 = TimeZoneInfo.ConvertTimeFromUtc(testTime1, tzi);
DateTime testTime2 = DateTime.Now;
var ret2 = TimeZoneInfo.ConvertTimeToUtc(testTime2, tzi);
)
