判定成绩函数.frm

蒋加伏主编VB程序设计第四版PPT及全部课本源码 北京邮电大学出版社 Visual Basic 程序设计教程（第四版） 主编 蒋加伏 张林峰 找了好久的（不带密码的）

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "例[8-3]成绩评定"
   ClientHeight    =   1545
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4020
   LinkTopic       =   "Form1"
   ScaleHeight     =   1545
   ScaleWidth      =   4020
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "评定成绩"
      Height          =   495
      Left            =   2640
      TabIndex        =   4
      Top             =   525
      Width           =   1215
   End
   Begin VB.TextBox Text2 
      Height          =   495
      Left            =   1200
      TabIndex        =   3
      Top             =   885
      Width           =   1215
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   1200
      TabIndex        =   2
      Top             =   165
      Width           =   1215
   End
   Begin VB.Label Label2 
      Caption         =   "成绩判定  ："
      Height          =   495
      Left            =   120
      TabIndex        =   1
      Top             =   885
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "请输入成绩："
      Height          =   495
      Left            =   120
      TabIndex        =   0
      Top             =   165
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
  Text2.Text = Afirm(Val(Text1.Text))
End Sub
Private Function Afirm(cj As Integer) As String
  Select Case cj
    Case Is < 60
      Afirm = "不及格"
    Case 60 To 69
      Afirm = "及格"
    Case 70 To 79
      Afirm = "中"
    Case 80 To 89
      Afirm = "良"
    Case Is >= 90
      Afirm = "优"
    End Select
End Function