VERSION 5.00
Begin VB.Form Form4 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "圖書信息輸入"
   ClientHeight    =   3060
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4680
   BeginProperty Font 
      Name            =   "Times New Roman"
      Size            =   9
      Charset         =   0
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form4"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3060
   ScaleWidth      =   4680
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取     消"
      Height          =   375
      Left            =   3480
      TabIndex        =   11
      Top             =   2520
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "保     存"
      Height          =   375
      Left            =   3480
      TabIndex        =   10
      Top             =   1920
      Width           =   1095
   End
   Begin VB.Frame Frame1 
      Caption         =   "圖書情況"
      Height          =   2775
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   3255
      Begin VB.ComboBox Combo1 
         Height          =   345
         Left            =   840
         Style           =   2  'Dropdown List
         TabIndex        =   12
         Top             =   2280
         Width           =   1095
      End
      Begin VB.TextBox Text4 
         Height          =   375
         Left            =   840
         TabIndex        =   9
         Top             =   1680
         Width           =   1935
      End
      Begin VB.TextBox Text3 
         Height          =   375
         Left            =   840
         TabIndex        =   8
         Top             =   1200
         Width           =   1455
      End
      Begin VB.TextBox Text2 
         Height          =   375
         Left            =   840
         TabIndex        =   7
         Top             =   720
         Width           =   2295
      End
      Begin VB.TextBox Text1 
         Height          =   375
         Left            =   840
         TabIndex        =   6
         Top             =   240
         Width           =   1815
      End
      Begin VB.Label Label1 
         Caption         =   "書  名"
         Height          =   375
         Index           =   4
         Left            =   120
         TabIndex        =   5
         Top             =   840
         Width           =   735
      End
      Begin VB.Label Label1 
         Caption         =   "著  者"
         Height          =   375
         Index           =   3
         Left            =   120
         TabIndex        =   4
         Top             =   1320
         Width           =   735
      End
      Begin VB.Label Label1 
         Caption         =   "出 版 社"
         Height          =   375
         Index           =   2
         Left            =   120
         TabIndex        =   3
         Top             =   1800
         Width           =   735
      End
      Begin VB.Label Label1 
         Caption         =   "標  志"
         Height          =   375
         Index           =   1
         Left            =   120
         TabIndex        =   2
         Top             =   2280
         Width           =   735
      End
      Begin VB.Label Label1 
         Caption         =   "書  號"
         Height          =   375
         Index           =   0
         Left            =   120
         TabIndex        =   1
         Top             =   360
         Width           =   735
      End
   End
End
Attribute VB_Name = "Form4"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private num As String

Private Sub Command1_Click()       '確定
Dim result As Integer
Dim i, J As Integer


'排錯處理
If Text1.text = "" Then
   result = MsgBox("書號欄空！", 48, "提示")
   Exit Sub
End If
If Text2.text = "" Then
   result = MsgBox("書名欄空！", 48, "提示")
   Exit Sub
End If
If Text3.text = "" Then
   result = MsgBox("著者欄空！", 48, "提示")
   Exit Sub
End If
If Text4.text = "" Then
   result = MsgBox("出版社欄空！", 48, "提示")
   Exit Sub
End If
If Combo1.text = "" Then
   result = MsgBox("標志欄欄空！", 48, "提示")
   Exit Sub
End If

'增加記錄時，檢驗關鍵字是否已存在

If flag2 = True Then
   form2.Data1.Recordset.MoveLast
   form2.Data1.Recordset.MoveFirst
   For J = 1 To form2.Data1.Recordset.RecordCount
       If form2.Data1.Recordset.Fields(0) = Text1.text Then
          result = MsgBox("此號已存在，請重新輸入！", 48, "提示")
          Exit Sub
       End If
       form2.Data1.Recordset.MoveNext
   Next J
End If

If flag2 = True Then '添加新記錄
   form2!Data1.Recordset.AddNew
Else   '修改記錄
   form2!Data1.Recordset.Edit
End If

form2.Data1.Recordset.Fields(0) = Text1.text
form2.Data1.Recordset.Fields(1) = Text2.text
form2.Data1.Recordset.Fields(2) = Text3.text
form2.Data1.Recordset.Fields(3) = Text4.text
form2.Data1.Recordset.Fields(4) = Combo1.text

form2.Data1.Recordset.Update       '更新記錄
form2.Data1.Refresh  '更新數據庫


Unload Form4
End Sub

Private Sub Command2_Click()   '退出
Unload Me
End Sub

Private Sub Form_Load()       '窗體裝載

Combo1.AddItem "可借"
Combo1.AddItem "不可借"
If flag2 = True Then
   Text1.text = ""       '添加操作時，對調入界面的初始化
   Text2.text = ""
   Text3.text = ""
   Text4.text = ""
   Combo1.text = "可借"
Else
   num = form2.Data1.Recordset.Fields(0)
   Text1.text = form2.Data1.Recordset.Fields(0) '修改操作時，對調入界面的初始化
   Text2.text = form2.Data1.Recordset.Fields(1)
   Text3.text = form2.Data1.Recordset.Fields(2)
   Text4.text = form2.Data1.Recordset.Fields(3)
   Combo1.text = form2.Data1.Recordset.Fields(4)
End If
End Sub