『壹』 VB程序设计题

1.新建工程:工程1;

2.新建一下ComboBox控件:Combo1,并将属性Style改为2;

3.新建五个Label:Label1,Label2,Label3,Label4,Label5;

4.新建两个Text文本框:Text1,Text2

5.新建一个CommandButton按钮:Command1;

以上的相关控件不要改名字,位置也不用设定,程序会自动设定好。

将下面的代码COPY进去就行了

PrivateSubForm_Load()

Form1.Caption="加油站计费程序"

Form1.Width=3800

Form1.Height=3300

Label1.Caption="种类"

Label1.Move900,200

Label1.AutoSize=1

WithCombo1

.AddItem("90号")

.AddItem("95号")

.AddItem("100号")

.Move500,500,1200

EndWith

Label2.Caption="单价(元/升)"

Label2.Move2000,200

Label2.AutoSize=1

Label3.Caption="0"

Label3.Move2200,550

Label3.Width=500

Label4.Caption="数量"

Label4.Move900,1000

Label4.AutoSize=1

Text1.Move500,1300,1200,300

Text1.Text=0

Text1.Alignment=1

Label5.Caption="总价(元)"

Label5.Move2100,1000

Label5.AutoSize=1

Text2.Move1900,1300,1200,300

Text2.Text=0

Text2.Enabled=False

Text2.Alignment=1

Command1.Caption="计算"

Command1.Move1320,1920,1095,375

EndSub

PrivateSubCombo1_Click()

SelectCaseCombo1.Text

Case"90号":Label3.Caption="2.30"

Case"95号":Label3.Caption="2.45"

Case"100号":Label3.Caption="2.60"

EndSelect

Text1.SetFocus

Text1.SelLength=Len(Text1.Text)

EndSub

PrivateSubCommand1_Click()

OnErrorResumeNext

Text2.Text=Format(Val(Text1.Text)*Val(Label3.Caption),"0.00")

EndSub

『贰』 vb程序设计实例100

试题来一.1

Private Sub Form_Click()
Print fs_sum(100)
End Sub
Function fs_sum(ByVal n As Integer) As Single
Dim s!自, nc! '和与倒数
s=0
For i = 1 To n
nc = 1 / i
s = s + nc
Next i
fs_sum = s
End Function
试题一.2
Private Sub Form_Click()
For i = 1 To 4
Print Space(4 - i);
For j = 1 To i
Print "* ";
Next j
Print
Next i
End Sub
待续,未完...