有人可以帮我完成这项工作吗？
我想计算 VB.NET 中两个日期之间的时间，如下所示：
startdate: 2011/12/30
enddate: 2011/12/31
计算： ？小时 ？分钟 ？秒
你可以试试这个
DateTime startTime = DateTime.Now;
DateTime endTime = DateTime.Now.AddSeconds( 75 );
TimeSpan span = endTime.Subtract ( startTime );
Console.WriteLine( "Time Difference (seconds): " + span.Seconds );
Console.WriteLine( "Time Difference (minutes): " + span.Minutes );
Console.WriteLine( "Time Difference (hours): " + span.Hours );
Console.WriteLine( "Time Difference (days): " + span.Days );
输出像，
Time Difference (seconds): 15
Time Difference (minutes): 1
Time Difference (hours): 0
Time Difference (days): 0
VB.Net 相当于上面的内容：
Dim startTime As DateTime = DateTime.Now
Dim endTime As DateTime = DateTime.Now.AddSeconds(75)
Dim span As TimeSpan = endTime.Subtract(startTime)
Console.WriteLine("Time Difference (seconds): " + span.Seconds)
Console.WriteLine("Time Difference (minutes): " + span.Minutes)
Console.WriteLine("Time Difference (hours): " + span.Hours)
Console.WriteLine("Time Difference (days): " + span.Days)
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