📄 frmbinfoman.frm
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VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form frmBInfoMan
BorderStyle = 1 'Fixed Single
Caption = "图书基本信息管理"
ClientHeight = 5175
ClientLeft = 45
ClientTop = 330
ClientWidth = 9450
Icon = "frmBInfoMan.frx":0000
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 5175
ScaleWidth = 9450
StartUpPosition = 2 '屏幕中心
Begin VB.CommandButton cmdBack
Caption = "返 回"
Height = 495
Left = 7200
TabIndex = 6
Top = 4440
Width = 1215
End
Begin VB.CommandButton cmdDel
Caption = "删 除"
Height = 495
Left = 5040
TabIndex = 5
Top = 4440
Width = 1215
End
Begin VB.CommandButton cmdModi
Caption = "修 改"
Height = 495
Left = 3000
TabIndex = 4
Top = 4440
Width = 1215
End
Begin VB.CommandButton cmdAdd
Caption = "添 加"
Height = 495
Left = 840
TabIndex = 3
Top = 4440
Width = 1215
End
Begin MSAdodcLib.Adodc adoBInfo
Height = 375
Left = 0
Top = 0
Visible = 0 'False
Width = 2535
_ExtentX = 4471
_ExtentY = 661
ConnectMode = 0
CursorLocation = 3
IsolationLevel = -1
ConnectionTimeout= 15
CommandTimeout = 30
CursorType = 3
LockType = 3
CommandType = 8
CursorOptions = 0
CacheSize = 50
MaxRecords = 0
BOFAction = 0
EOFAction = 0
ConnectStringType= 1
Appearance = 1
BackColor = -2147483643
ForeColor = -2147483640
Orientation = 0
Enabled = -1
Connect = ""
OLEDBString = ""
OLEDBFile = ""
DataSourceName = ""
OtherAttributes = ""
UserName = ""
Password = ""
RecordSource = ""
Caption = "连接dtgBInfo"
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 MSDataGridLib.DataGrid dtgBInfo
Bindings = "frmBInfoMan.frx":044A
Height = 3735
Left = 2520
TabIndex = 2
Top = 360
Width = 6495
_ExtentX = 11456
_ExtentY = 6588
_Version = 393216
AllowUpdate = 0 'False
HeadLines = 1
RowHeight = 15
BeginProperty HeadFont {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
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
ColumnCount = 2
BeginProperty Column00
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
BeginProperty Column01
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
SplitCount = 1
BeginProperty Split0
BeginProperty Column00
EndProperty
BeginProperty Column01
EndProperty
EndProperty
End
Begin MSComctlLib.TreeView tvwBType
Height = 3375
Left = 120
TabIndex = 0
Top = 720
Width = 2175
_ExtentX = 3836
_ExtentY = 5953
_Version = 393217
HideSelection = 0 'False
LabelEdit = 1
LineStyle = 1
Style = 7
SingleSel = -1 'True
Appearance = 1
End
Begin VB.Label lblBType
AutoSize = -1 'True
Caption = "图书分类"
Height = 180
Left = 120
TabIndex = 1
Top = 360
Width = 720
End
End
Attribute VB_Name = "frmBInfoMan"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'定义condition变量
Dim condition As String
'网格控件加载函数
Private Sub adoBInfoRefresh()
'设置ADO控件adoBInfoRefresh的连接字符串
adoBInfo.ConnectionString = CONSTR
'设置数据源
Dim tmpRecordSource As String
tmpRecordSource = "SELECT i.BookNo AS 图书编号, i.BookName AS 图书名称," _
+ " t.TypeName AS 图书类型名称, i.Author AS 作者, i.Publisher AS 出版社," _
+ " i.Price AS 图书价格, i.Memo AS 图书说明" _
+ " FROM BookInfo i, BookType t" _
+ " WHERE i.TypeID = t.TypeID" _
+ condition + " ORDER BY i.BookNo"
adoBInfo.RecordSource = tmpRecordSource
adoBInfo.Refresh
'设置列宽
With dtgBInfo
.Columns(0).Width = 1000
.Columns(1).Width = 1500
.Columns(2).Width = 1500
.Columns(3).Width = 1200
.Columns(4).Width = 1500
.Columns(5).Width = 1000
.Columns(6).Width = 2000
End With
End Sub
'窗体装载事件
Private Sub Form_Load()
'为TreeView控件tvwBType对象装载图书分类名称
tvwBType.Nodes.Clear
Set tvwNode = tvwBType.Nodes.Add(, , "tvwAll", "全部分类")
Call Add_BTypeToTree(tvwBType, "tvwAll")
'给objBookType初始化
objBookType.Init
'给condition初始化
condition = ""
'调用adoBInfoRefresh过程
Call adoBInfoRefresh
End Sub
'单击tvwBType结点
Private Sub tvwBType_NodeClick(ByVal Node As MSComctlLib.Node)
'如果是根结点
If Node.Text = Node.Root.Text Then
objBookType.Init
condition = ""
Else
'得到书籍分类信息
objBookType.GetInfo Trim(Node.Text)
If objBookType.UID = 0 Then
'如果所选的为一级分类
condition = " AND t.UID = " + Trim(Str(objBookType.TypeID))
Else
'如果所选的为二级分类
condition = " AND t.TypeID = " + Trim(objBookType.TypeID)
End If
End If
'调用adoBInfoRefresh过程
Call adoBInfoRefresh
End Sub
'插入按钮
Private Sub cmdAdd_Click()
'只能在根节点下面添加书籍，判断是否为根节点
If tvwBType.SelectedItem.Text = "全部分类" Then
MsgBox "只能在最下级添加图书", vbInformation, "信息提示"
Exit Sub
End If
'不能在一级分类下添加书籍
If objBookType.UID = 0 Then
MsgBox "不能在一级图书分类下添加图书" + vbCrLf + "只能在最下级添加图书", _
vbInformation, "信息提示"
Exit Sub
End If
'给图书编辑窗口赋值
frmBInfoEdit.txtBNo = ""
frmBInfoEdit.txtBNo.Locked = False
frmBInfoEdit.txtBName = ""
frmBInfoEdit.txtBType = Trim(objBookType.GetTypeName(objBookType.UID))
frmBInfoEdit.txtSubBType = Trim(objBookType.TypeName)
frmBInfoEdit.txtAuthor = ""
frmBInfoEdit.txtPublisher = ""
frmBInfoEdit.txtPrice = "0"
frmBInfoEdit.txtMemo = ""
IsAdd = True
'启动编辑窗体
frmBInfoEdit.Show 1
'刷新adoBInfo控件
adoBInfo.Refresh
End Sub
'修改按钮
Private Sub cmdModi_Click()
'如果没记录的话，不能进行修改
If adoBInfo.Recordset.BOF Or adoBInfo.Recordset.EOF Then
MsgBox "请选择一条图书记录", vbInformation, "信息提示"
Exit Sub
End If
'给图书编辑窗口赋值
frmBInfoEdit.txtBNo = Trim(adoBInfo.Recordset.Fields(0))
frmBInfoEdit.txtBNo.Locked = True
frmBInfoEdit.txtBName = Trim(adoBInfo.Recordset.Fields(1))
objCurBType.GetInfo Trim(adoBInfo.Recordset.Fields(2))
frmBInfoEdit.txtBType = Trim(objCurBType.GetTypeName(objCurBType.UID))
frmBInfoEdit.txtSubBType = Trim(objCurBType.TypeName)
frmBInfoEdit.txtAuthor = Trim(adoBInfo.Recordset.Fields(3))
frmBInfoEdit.txtPublisher = Trim(adoBInfo.Recordset.Fields(4))
frmBInfoEdit.txtPrice = Trim(Str(adoBInfo.Recordset.Fields(5)))
If IsNull(Trim(adoBInfo.Recordset.Fields(6))) Then
frmBInfoEdit.txtMemo = ""
Else
frmBInfoEdit.txtMemo = Trim(adoBInfo.Recordset.Fields(6))
End If
IsAdd = False
'启动编辑窗体
frmBInfoEdit.Show 1
'刷新adoBInfo控件
adoBInfo.Refresh
End Sub
'删除按钮
Private Sub cmdDel_Click()
Dim isDel As Integer
If adoBInfo.Recordset.BOF Or adoBInfo.Recordset.EOF Then
MsgBox "请选择一条图书记录", vbInformation, "信息提示"
Else
isDel = MsgBox("是否删除所选择的记录", vbYesNo + vbQuestion + vbDefaultButton2, "是否删除")
If isDel = vbYes Then
objBookInfo.Delete dtgBInfo.Columns(0)
MsgBox "删除成功！", vbInformation, "信息提示"
End If
End If
'刷新
adoBInfo.Refresh
End Sub
'返回按钮
Private Sub cmdBack_Click()
Unload Me
End Sub
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