平均分和优秀率.frm

Visual Basic课程举例1 有很好的例题

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton andCalcu 
      Caption         =   "统计"
      Height          =   615
      Left            =   960
      TabIndex        =   0
      Top             =   2040
      Width           =   2535
   End
   Begin VB.Label Label2 
      Caption         =   "优秀率:  "
      Height          =   615
      Left            =   1080
      TabIndex        =   2
      Top             =   1080
      Width           =   2295
   End
   Begin VB.Label Label1 
      Caption         =   "平均分:  "
      Height          =   495
      Left            =   1080
      TabIndex        =   1
      Top             =   240
      Width           =   2295
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim A(6) As Single

Private Sub andCalcu_Click()
 Dim i As Integer
 Dim j As Integer
 Dim Total As Single
 Dim Exsell As Single
 For i = 0 To 5 Step 1
   Total = Total + A(i)
   If A(i) >= 80 Then
     j = j + 1
   End If
 Next i
 Average = Total / 6
 Exsell = j / 6 * 100
 Label1.Caption = Label1.Caption + Format(Average)
 Label2.Caption = Label2.Caption + Format(Exsell) + "%"
End Sub

Private Sub Form_Load()
 A(0) = 82
 A(1) = 76.5
 A(2) = 91
 A(3) = 80
 A(4) = 75
 A(5) = 84.8
End Sub