frmbookedit.frm

企业图书管理系统

            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   15
         Top             =   1320
         Width           =   720
      End
      Begin VB.Label Label2 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "价    格"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   13
         Top             =   3240
         Width           =   720
      End
      Begin VB.Label Label3 
         BackStyle       =   0  'Transparent
         Caption         =   "书架位置"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   12
         Top             =   2760
         Width           =   720
      End
      Begin VB.Label Label8 
         AutoSize        =   -1  'True
         BackColor       =   &H00FFC0C0&
         BackStyle       =   0  'Transparent
         Caption         =   "图书名称"
         Height          =   180
         Left            =   240
         TabIndex        =   10
         Top             =   840
         Width           =   720
      End
      Begin VB.Label Label4 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "作    者"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   9
         Top             =   1800
         Width           =   720
      End
      Begin VB.Label Label6 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "出 版 社"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   8
         Top             =   2280
         Width           =   720
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "图书编号"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   7
         Top             =   360
         Width           =   720
      End
   End
End
Attribute VB_Name = "FrmBookEdit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public Modify As Boolean '插入=false,修改=true
Public OriNo As String   '原始图书编号
Public nBookTypeId As Integer  '图书分类编号

Private Sub Cmd_Cancel_Click()
  Unload Me
End Sub

Private Sub Cmd_OK_Click()
  '检查用户录入数据的有效性
  If Len(Trim(txtBookNo)) = 0 Then
    MsgBox "请您输入图书编号!   ", 64, "提示"
    txtBookNo.SetFocus
    txtBookNo.SelStart = 0
    txtBookNo.SelLength = Len(txtBookNo)
    Exit Sub
  End If
  If Len(Trim(txtBookName)) = 0 Then
    MsgBox "请您输入图书名称!   ", 64, "提示"
    txtBookName.SetFocus
    txtBookName.SelStart = 0
    txtBookName.SelLength = Len(txtBookName)
    Exit Sub
  End If
  
  If Len(Trim(txtPublisher)) = 0 Then
    MsgBox "请您输入出版社名称!   ", 64, "提示"
    txtPublisher.SetFocus
    txtPublisher.SelStart = 0
    txtPublisher.SelLength = Len(txtPublisher)
    Exit Sub
  End If
  If Len(Trim(txtPrice)) = 0 Then
    MsgBox "请您输入图书价格!    ", 64, "提示"
    txtPrice.SetFocus
    txtPrice.SelStart = 0
    txtPrice.SelLength = Len(txtPrice)
    Exit Sub
  End If
  '判断图书编号是否存在,如果是修改记录,则当编号变化时才做判断
  If Modify = False Then
    If MyBookInfo.HaveNo(Trim(txtBookNo)) Then
      MsgBox "对不起!此图书编号已经存在!   ", 64, "提示"
      Exit Sub
    End If
  Else
    If Trim(txtBookNo) <> OriNo And MyBookInfo.HaveNo(Trim(txtBookNo)) Then
      MsgBox "对不起!此图书编号已经存在!   ", 64, "提示"
      Exit Sub
    End If
  End If
    
  
  '把用户录入的数据赋值到数据库对象变量中
  With MyBookInfo
  .BookNo = MakeStr(txtBookNo)          '图书编号
  .BookName = MakeStr(txtBookName)      '图书名称
  .Publisher = MakeStr(txtPublisher)    '出版社
  .Author = MakeStr(txtAuthor)          '作者
  .Location = MakeStr(txtLocation)      '存放位置
  .Price = Val(txtPrice)                '价格
  .Total = Val(txtTotal)                '数量
  .TypeId = nBookTypeId                 '图书分类
  .Description = MakeStr(txtDescription)
  '根据变量Modify的值，决定是插入新数据，还是修改已有的数据
  If Modify = False Then
    .Insert
    Cmd_OK.Enabled = False
  Else
    Call .Update(OriNo)
  End If
  End With
  Unload Me
End Sub

Private Sub txtAuthor_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtBookName_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtBookNo_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtPrice_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
  If In_Single(KeyAscii) = False Then
    KeyAscii = 0
  End If
End Sub

Private Sub txtLocation_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtPublisher_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub