例8.10.frm

一本学习Visual Basic编程的好书

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "查询工资数据"
   ClientHeight    =   2430
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4305
   LinkTopic       =   "Form1"
   ScaleHeight     =   2430
   ScaleWidth      =   4305
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "结束"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   2760
      TabIndex        =   7
      Top             =   1440
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "查询"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   2760
      TabIndex        =   6
      Top             =   480
      Width           =   1095
   End
   Begin VB.TextBox Text3 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1200
      TabIndex        =   5
      Top             =   1680
      Width           =   975
   End
   Begin VB.TextBox Text2 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1200
      TabIndex        =   4
      Top             =   960
      Width           =   975
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1200
      TabIndex        =   3
      Top             =   240
      Width           =   975
   End
   Begin VB.Label Label3 
      Caption         =   "工  资"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   360
      TabIndex        =   2
      Top             =   1800
      Width           =   735
   End
   Begin VB.Label Label2 
      Caption         =   "姓  名"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   360
      TabIndex        =   1
      Top             =   1080
      Width           =   735
   End
   Begin VB.Label Label1 
      Caption         =   "职工号"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   360
      TabIndex        =   0
      Top             =   360
      Width           =   735
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_Load()
    Open "data2.dat" For Random As #1 Len = Len(sal)
End Sub
             '"查询"按钮的事件过程
Private Sub Command1_Click()
    Dim recno As Integer
    recno = Val(Text1.Text)
    If recno > LOF(1) / Len(sal) Then    'Lof(1)/Len(sal)求出最大记录号
          MsgBox "无此记录"
          Exit Sub
    End If
    Get #1, recno, sal
    Text2.Text = sal.name
    Text3.Text = sal.salary
    Text1.SetFocus          '设置焦点
End Sub
              '"结束"按钮的click事件过程
Private Sub Command2_Click()
    Close #1
    Unload Me
End Sub