form7.frm

用VB来实现学生信息管理系统的界面

VERSION 5.00
Begin VB.Form Form7 
   Caption         =   "Form7"
   ClientHeight    =   5295
   ClientLeft      =   60
   ClientTop       =   465
   ClientWidth     =   8070
   LinkTopic       =   "Form7"
   ScaleHeight     =   5295
   ScaleWidth      =   8070
   StartUpPosition =   3  '窗口缺省
   Begin VB.Frame Frame1 
      Caption         =   "操作数"
      Height          =   975
      Left            =   480
      TabIndex        =   7
      Top             =   480
      Width           =   7215
      Begin VB.TextBox Text1 
         Alignment       =   1  'Right Justify
         Height          =   495
         Left            =   120
         TabIndex        =   9
         Top             =   360
         Width           =   1455
      End
      Begin VB.TextBox Text2 
         Alignment       =   1  'Right Justify
         Height          =   495
         Left            =   2520
         TabIndex        =   8
         Top             =   360
         Width           =   1935
      End
   End
   Begin VB.Frame Frame2 
      Caption         =   "运算符"
      Height          =   1095
      Left            =   480
      TabIndex        =   2
      Top             =   1800
      Width           =   7215
      Begin VB.OptionButton Option1 
         Caption         =   "加"
         CausesValidation=   0   'False
         Height          =   495
         Left            =   120
         TabIndex        =   6
         Top             =   480
         Value           =   -1  'True
         Width           =   855
      End
      Begin VB.OptionButton Option2 
         Caption         =   "减"
         Height          =   495
         Left            =   1680
         TabIndex        =   5
         Top             =   480
         Width           =   1215
      End
      Begin VB.OptionButton Option3 
         Caption         =   "乘"
         Height          =   375
         Left            =   3360
         TabIndex        =   4
         Top             =   480
         Width           =   975
      End
      Begin VB.OptionButton Option4 
         Caption         =   "除"
         Height          =   495
         Left            =   4920
         TabIndex        =   3
         Top             =   360
         Width           =   1215
      End
   End
   Begin VB.Frame Frame3 
      Caption         =   "运算结果"
      Height          =   1215
      Left            =   600
      TabIndex        =   0
      Top             =   3240
      Width           =   6975
      Begin VB.TextBox Text3 
         Alignment       =   1  'Right Justify
         Height          =   615
         Left            =   1560
         TabIndex        =   1
         Top             =   480
         Width           =   2895
      End
   End
End
Attribute VB_Name = "Form7"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Option1_Click()
Option1.Value = True
Option2.Value = False
Option3.Value = False
Option4.Value = False
Call js
End Sub
Private Sub Option2_Click()
Option1.Value = False
Option2.Value = True
Option3.Value = False
Option4.Value = False
Call js
End Sub

Private Sub Option3_Click()
Option1.Value = False
Option2.Value = False
Option3.Value = True
Option4.Value = False
Call js
End Sub

Private Sub Option4_Click()
Option1.Value = False
Option2.Value = False
Option3.Value = False
Option4.Value = True
Call js
End Sub

Private Sub Text1_Change()
Call js
End Sub

Private Sub Text2_Change()
Call js
End Sub
Public Sub js()
If Option1 Then
   Text3 = Val(Text1) + Val(Text2)
   ElseIf Option2 Then
   Text3 = Val(Text1) - Val(Text2)
    ElseIf Option3 Then
    Text3 = Val(Text1) * Val(Text2)
   ElseIf Val(Text2) = 0 Then
       Text3 = "0做除数,溢出"
   Else
      Text3 = Val(Text1) / Val(Text2)
   End If
End Sub