我正在尝试制作一个简单的程序,将以秒为单位的时间转换为 hh:mm:ss 格式。但是对于某些特定的输入值,它会产生不正确的时间格式。这是我尝试过的:
Public Class Form1
Dim Hours, Minutes, Seconds As Integer
Private Sub btnReset_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnReset.Click
lblHours.Text = "00"
lblMinutes.Text = "00"
lblSeconds.Text = "00"
txtTimeSeconds.Text = ""
txtFormattedTime.Text = ""
End Sub
Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate1.Click
Seconds = Integer.Parse(txtTimeSeconds.Text)
Hours = Seconds / 3600
Seconds = Seconds Mod 3600
Minutes = Seconds / 60
Seconds = Seconds Mod 60
lblHours.Text = Hours.ToString.PadLeft(2, "0"c)
lblMinutes.Text = Minutes.ToString.PadLeft(2, "0"c)
lblSeconds.Text = Seconds.ToString.PadLeft(2, "0"c)
txtFormattedTime.Text = Hours.ToString.PadLeft(2, "0"c) & ":" & Minutes.ToString.PadLeft(2, "0"c) & ":" & Seconds.ToString.PadLeft(2, "0"c)
End Sub
End Class
它在输入值为 30 时起作用:
输入值为 31 时不起作用:
我做错了什么?我该如何解决这个问题?