本文所述为用VB制作倒计时程序用到的一个Module类代码,是基于控制台的倒计时程序,可供VB初学者或者VB爱好者参考学习,当然读者也可以将其拷贝代码到VB工程里面直接使用,不过需要自己创建相关的代码,对于初学者来说,也是很容易看懂的一段代码。

具体功能代码如下:

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Module Module1
Sub Main()
Dim a As Date
Dim h, m, s As Integer
Dim n, i As Long
Dim x, z As Long
Dim y As Long
Console.WriteLine("本程序为倒计时程序,请分部输入需要倒数的小时数、分钟数、秒数")
Console.WriteLine("请输入计时的小时数(大于等于0的整数):")
h = Console.ReadLine()
Console.WriteLine("请输入计时的总分钟数(大于等于0并且小于60的整数):")
m = Console.ReadLine()
Console.WriteLine("请输入计时的秒数(大于等于0的并且小于60的整数):")
s = Console.ReadLine()
Console.WriteLine("当前系统时间为:{0}", h)
a = Now()
Console.WriteLine("当前系统时间为:{0}", a)
Console.WriteLine(" ")
Console.WriteLine(" **************倒计时开始***************** ")
Console.WriteLine(" **************倒计时开始***************** ")
Console.WriteLine(" **************倒计时开始***************** ")
Console.WriteLine(" **************倒计时开始***************** ")
z = 0
x = 60
For i = 0 To h * 3600 + m * 60 + s
For n = 0 To 6000000
For y = 0 To 25
z = z + 1
Next
Next
If (h <= 0) And (m <= 0) And (s <= 0) Then Exit For
If s > 0 Then
s = s - 1
Console.WriteLine(" 剩余:{0}小时{1}分{2}秒", h, m, s)
If (h <= 0) And (m <= 0) And (s <= 0) Then
Console.WriteLine("倒计时完毕,随意输入字符将退出程序:")
 
Exit For
End If
End If
If s = 0 Then
If m > 0 Then
m = m - 1
s = 59
Console.WriteLine(" 剩余:{0}小时{1}分{2}秒 ", h, m, s)
End If
 
If m = 0 And h > 0 And s = 0 Then
h = h - 1
m = 59
s = 59
Console.WriteLine(" 剩余:{0}小时{1}分{2}秒 ", h, m, s)
If (h <= 0) And (m <= 0) And (s <= 0) Then
Console.WriteLine("倒计时完毕,随意输入字符将退出程序:")
Exit For
End If
End If
End If
Next
Console.Read()
End Sub