c# TimeSpan
转自:http://blog.163.com/y_p_xu/blog/static/17085710220116472030543/
/// <summary>
/// 将时间“00:00:00”转化为单位为秒的数值
/// </summary>
/// <param name="time">形式为"00:00:00"的时间字符串</param>
/// <returns>秒数</returns>
public static int ConvertTimeToSecond(string time)
{
string[] strSplits = time.Split(':');
if (strSplits.Length != 3)
return -1;//非法时间格式
try
{
TimeSpan span = new TimeSpan(int.Parse(strSplits[0]), int.Parse(strSplits[1]), int.Parse(strSplits[2]));
return (int)(span.Ticks / (1000 * 10000));
}
catch
{
return -1;
}
}
/// <summary>
/// 将单位为秒的数值转化为“00:00:00”时间格式
/// </summary>
/// <param name="seconds">秒数</param>
/// <returns>形式为"00:00:00"的时间字符串</returns>
public static string ConvertSecondToTime(int seconds)
{
int h = seconds / 3600;
int m = (seconds - 3600 * h) / 60;
int s = (seconds - 3600 * h) % 60;
string len = h.ToString().PadLeft(2, '0') + ":" + m.ToString().PadLeft(2, '0') + ":" + s.ToString().PadLeft(2, '0');
return len;
}