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假设你得到 N 秒
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那么，一个小时就是 3600 秒，一分钟就是 60 秒，我们就可以这样子分割出来 ：
小时 hour = N / 3600;
分钟 minute = ( N - ( hour * 3600 ) ) / 60;
秒 second = N - ( hour * 3600 + minute * 60 );
然后自己按照 hour : minute : second 的格式打印出来就行了 。
Public Class Form1
Private Function ZToFSAll(ByVal ZT As Long) As String
'全存样式
'从天，时，分，秒整合为秒
Dim T， S， F， M As Integer '天，时，分，秒
Dim T1， S1 As Integer '天，时，分，秒
Dim M1 As String
T = ZT \ 86400
T1 = ZT Mod 86400
S = T1 \ 3600
S1 = T1 Mod 3600
F = S1 \ 60
M = S1 Mod 60
If M 10 Then
M1 = "0" M
Else
M1 = M
End If
ZToFSAll = T "天" S "小时" F "分钟" M1 "秒"
End Function
Private Function ZToFSQS(ByVal ZT As Long) As String
'缺损样式
'从秒分解为天，时，分，秒
Dim T， S， F， M As Integer '天，时，分，秒
Dim T1， S1 As Integer '天，时，分，秒
Dim T2， S2， F2， M2 As String '天，时，分，秒
T = ZT \ 86400
T1 = ZT Mod 86400
S = T1 \ 3600
S1 = T1 Mod 3600
F = S1 \ 60
M = S1 Mod 60
If T = 0 Then
T2 = ""
Else
T2 = T "天"
End If
If S = 0 Then
S2 = ""
Else
S2 = S "小时"
End If
If F = 0 Then
F2 = ""
Else
F2 = F "分钟"
End If
M2 = M "秒"
ZToFSQS = T2 S2 F2 M2
End Function
Private Function FSoZT(ByVal T As Integer， ByVal S As Int16， ByVal F As Int16， ByVal M As Int16) As Long
'从天，时，分，秒分解为秒
'T， S， F， M分别为天，时，分，秒
FSoZT = T * 86400 + S * 3600 + F * 60 + M
End Function
Private Sub Button1_Click(ByVal sender As System.Object， ByVal e As System.EventArgs) Handles Button1.Click
TextBox1.Text = ZToFSQS(520354) '值为:6天32分钟34
TextBox1.Text = ZToFSAll(520354) '值为:6天0小时32分钟34秒
TextBox1.Text = FSoZT(6， 0， 32， 34) '值为:520354
End Sub。
Public Class Form1
Private Past As Date
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Past = Now
IO.File.AppendAllText("test.txt", Past.ToString, System.Text.Encoding.Default)
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim Now1 As Date = CDate(IO.File.ReadAllText("test.txt", System.Text.Encoding.Default))
Dim Now2 As Date = Now
MsgBox("从" Now1.ToString "到" Now2.ToString "经过了" CStr(CDate((Now2 - Now1).ToString)))
End Sub
实际情况修改下。
End Class
是我以前自己设计的用来测试自己点钞速度用的，希望是你需要的
以下是窗体的全部代码
Public Class Form1
Dim StartFlag As Boolean = False
Dim secon As Integer
Dim minut As Integer
'空格
Private Sub Form1_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyUp
If e.KeyCode = Keys.Space Then
If StartFlag Then
StartFlag = False
Timer1.Enabled = False
If Val(Strings.Right(Label1.Text, 2)) 10 And Val(Strings.Right(Label1.Text, 2)) = 0 Then secon = 0 : minut = 0 : Label1.Text = "00:00" : Exit Sub
ListBox1.Items.Add(Label1.Text.ToString)
ListBox1.SelectedItem = ListBox1.Items.Count - 1
Label1.Focus()
Button1.Enabled = True
Label1.Text = "00:00"
secon = 0
minut = 0
Else
StartFlag = True
Timer1.Enabled = True
End If
End If
End Sub
'加载
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
ListBox1.Items.Clear()
Label1.Text = "00:00"
Button1.Enabled = False
secon = 0
minut = 0
Label1.Focus()
End Sub
'清空
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Button1.Enabled = False
ListBox1.Items.Clear()
Label1.Focus()
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
secon += 1
If secon = 60 Then
secon = 0
minut += 1
End If
Dim seconStr As String = secon
If seconStr.Length = 1 Then seconStr = "0" + seconStr
Dim minutStr As String = minut
If minutStr.Length = 1 Then minutStr = "0" + minutStr
Label1.Text = minutStr + ":" + seconStr
Label1.Focus()
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim SeconSun As Integer
If ListBox1.Items.Count 0 Then
For i = 0 To ListBox1.Items.Count - 1
Dim TemStr As String = ListBox1.Items.Item(i).ToString
Dim TemInt1 As Integer = Val(Strings.Right(TemStr, 2))
Dim TemInt2 As Integer = Val(Strings.Left(TemStr, 2))
Debug.Print(TemInt1.ToString)
Debug.Print(TemInt2.ToString)
SeconSun += TemInt1 + TemInt2 * 60
Debug.Print(SeconSun.ToString)
Next
TextBox1.Text = (SeconSun / ListBox1.Items.Count).ToString + "秒"
End If
Label1.Focus()
End Sub
End Class