程序代码简单小程序 实验一（带有进度条的倒计时程序） Public Class Form1 Dim timers As Integer Dim temp As Integer Private Sub Timer1_Tick(ByVal sender As , ByVal e As Handles If + / timers < Then += / timers Else = False = ("进度完成！") End If temp += 1 = () End Sub Private Sub Form1_Load(ByVal sender As , ByVal e As Handles timers = 30 End Sub Private Sub Button2_Click(ByVal sender As , ByVal e As Handles timers = Val(InputBox("输入", "请输入总时间。", 30, 0, 0)) End Sub Private Sub Button1_Click(ByVal sender As , ByVal e As Handles = True End Sub End Class 实验二（定时器控制蝴蝶飞舞） Public Class Form1 Dim t As Integer Private Sub Timer1_Tick(ByVal sender As , ByVal e As Handles ’Dim t As Boolean ' If t = True Then ' = ' t = False 'Else ' = ' t = True 'End If Select Case t Case 0 = 程序代码简单小程序 t = 1 Case 1 = t = 2 Case 2 = t = 3 Case 3 = t = 0 End Select End Sub End Class 实验三（递推法 迭代法--猴子吃桃） Public Class Form1 Private Sub Button1_Click(ByVal sender As , ByVal e As Handles Dim n, y As Integer n = Val y = Val Dim xi As Double xi = y = "第" + () + "天的桃子为：" + () + "个。" + vbCrLf For i As Integer = n - 1 To 1 Step -1 xi = (xi + 1) * 2 += "第" + () + "天的桃子为：" + () + "个。" + vbCrLf Next End Sub End Class 实验四（加减乘除随机数题） Public Class Form1 Dim x, y As Integer Dim i As Integer Dim sum As Integer Private Sub Button2_Click(ByVal sender As , ByVal e As Handles If <> "") Then 本文来源：https://www.wddqw.com/doc/500d44f0fe4ffe4733687e21af45b307e971f907.html