frmbooksel.frm

VB和Oracle结合的程序

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{F0D2F211-CCB0-11D0-A316-00AA00688B10}#1.0#0"; "MSDATLST.OCX"
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form FrmBookSel 
   BorderStyle     =   1  'Fixed Single
   ClientHeight    =   7245
   ClientLeft      =   15
   ClientTop       =   15
   ClientWidth     =   6345
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   7245
   ScaleWidth      =   6345
   Begin VB.CommandButton Cmd_Cancel 
      BackColor       =   &H80000004&
      Caption         =   "取 消"
      Height          =   400
      Left            =   3600
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   3
      Top             =   6720
      Width           =   1300
   End
   Begin VB.CommandButton Cmd_OK 
      BackColor       =   &H80000004&
      Caption         =   "确 定"
      Default         =   -1  'True
      Height          =   400
      Left            =   1440
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   2
      Top             =   6720
      Width           =   1300
   End
   Begin MSDataListLib.DataList DataList1 
      Bindings        =   "FrmBookSel.frx":0000
      Height          =   6360
      Left            =   3480
      TabIndex        =   0
      Top             =   120
      Width           =   2655
      _ExtentX        =   4683
      _ExtentY        =   11218
      _Version        =   393216
      ListField       =   "bookname"
      BoundColumn     =   "bookno"
   End
   Begin MSAdodcLib.Adodc AdoBookTypeList 
      Height          =   330
      Left            =   0
      Top             =   6960
      Visible         =   0   'False
      Width           =   2535
      _ExtentX        =   4471
      _ExtentY        =   582
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   1
      LockType        =   3
      CommandType     =   8
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   3
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   "DSN=BookSys"
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   "BookSys"
      OtherAttributes =   ""
      UserName        =   "bookman"
      Password        =   "bookman"
      RecordSource    =   "SELECT * FROM bookinfo"
      Caption         =   "AdoBookTypeList"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin MSComctlLib.ImageList ImageList3 
      Left            =   0
      Top             =   600
      _ExtentX        =   1005
      _ExtentY        =   1005
      BackColor       =   -2147483628
      ImageWidth      =   16
      ImageHeight     =   16
      MaskColor       =   16777215
      _Version        =   393216
      BeginProperty Images {2C247F25-8591-11D1-B16A-00C0F0283628} 
         NumListImages   =   5
         BeginProperty ListImage1 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "FrmBookSel.frx":001E
            Key             =   ""
         EndProperty
         BeginProperty ListImage2 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "FrmBookSel.frx":29B0
            Key             =   ""
         EndProperty
         BeginProperty ListImage3 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "FrmBookSel.frx":5342
            Key             =   ""
         EndProperty
         BeginProperty ListImage4 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "FrmBookSel.frx":7CD4
            Key             =   ""
         EndProperty
         BeginProperty ListImage5 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "FrmBookSel.frx":A666
            Key             =   ""
         EndProperty
      EndProperty
   End
   Begin MSComctlLib.TreeView TreeView1 
      Height          =   6360
      Left            =   120
      TabIndex        =   1
      Top             =   120
      Width           =   3135
      _ExtentX        =   5530
      _ExtentY        =   11218
      _Version        =   393217
      HideSelection   =   0   'False
      LabelEdit       =   1
      Sorted          =   -1  'True
      Style           =   7
      HotTracking     =   -1  'True
      SingleSel       =   -1  'True
      ImageList       =   "ImageList3"
      BorderStyle     =   1
      Appearance      =   1
      MousePointer    =   99
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
   End
End
Attribute VB_Name = "FrmBookSel"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Cmd_Cancel_Click()
  Unload Me
End Sub

Private Sub Cmd_OK_Click()
  '如果没有选择图书,则提示重新选择
  If MyBookInfo.BookNo = "" Then
    MsgBox "请选择图书"
    Exit Sub
  End If
  '将选择图书的数据保存在SelBookInfo变量中
  SelBookInfo.BookNo = MyBookInfo.BookNo
  SelBookInfo.GetInfo (SelBookInfo.BookNo)
  Unload Me
End Sub

Private Sub DataList1_Click()
  '如果没有选择图书,则对MyBookInfo对象初始化,然后返回
  If DataList1.BoundText = "" Then
    MyBookInfo.Init
    Exit Sub
  End If
  '读取当前图书信息到MyBookInfo
  MyBookInfo.GetInfo (DataList1.BoundText)
End Sub

Private Sub Form_Load()
  Dim TmpNode As Node
  '设置根结点
  Set TmpNode = TreeView1.Nodes.Add(, , "a0", "图书分类", 1, 3)
  TmpNode.Selected = True
  TmpNode.ExpandedImage = 2
  '调用函数将所有图书分类添加到TreeView1中
  Call AddtoTree(TreeView1, "a0")
  '调用TrieView_Click过程,把此分类下的所有图书信息都添加到列表中
  TreeView1_Click
End Sub

Private Sub TreeView1_Click()
  Dim Focuskey As String
  '根据关键字获取图书分类信息
  Focuskey = TreeView1.SelectedItem.Key
  CurBookType.TypeName = TreeView1.SelectedItem.Text
  CurBookType.TypeId = Val(Right(TreeView1.SelectedItem.Key, Len(TreeView1.SelectedItem.Key) - 1))
  '如果当前选择根节点,则设置一条SELECT语句,得到一个空的结果集,表示此分类下没有图书
  If Focuskey = "a0" Then
    AdoBookTypeList.RecordSource = "SELECT * FROM bookinfo WHERE btype=0"
    AdoBookTypeList.Refresh
    DataList1.ReFill
    Exit Sub
  End If
  '如果包含子结点，则设置图像格式
  If CurBookType.HaveSon(CurBookType.TypeId) = False Then
    TreeView1.SelectedItem.ExpandedImage = 4
    TreeView1.SelectedItem.Image = 4
    TreeView1.SelectedItem.SelectedImage = 5
  End If
  '读取CurBookType中的所有图书分类信息
  CurBookType.GetInfo (CurBookType.TypeId)
  '根据选择的图书分类编号刷新AdoBookTypeList，从而选择此分类下的所有书号
  AdoBookTypeList.RecordSource = "SELECT bookno, bookname FROM bookinfo WHERE btype=" _
        + Trim(CurBookType.TypeId)
  AdoBookTypeList.Refresh
  DataList1.ReFill
  DataList1_Click
End Sub