/// <summary>
/// 时间戳转为C#格式时间
/// </summary>
/// <param name="timeStamp">Unix时间戳格式</param>
/// <returns>C#格式时间</returns>
public static DateTime GetTime(string timeStamp)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
long lTime = long.Parse(timeStamp + "0000000");
TimeSpan toNow = new TimeSpan(lTime);
return dtStart.Add(toNow);
}

/// <summary>
/// DateTime时间格式转换为Unix时间戳格式
/// </summary>
/// <param name="time"> DateTime时间格式</param>
/// <returns>Unix时间戳格式</returns>
public static int ConvertDateTimeInt(System.DateTime time)
{
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
return (int)(time - startTime).TotalSeconds;
}