📄 lendbook.frm
字号:
VERSION 5.00
Begin VB.Form lendbook
BorderStyle = 3 'Fixed Dialog
Caption = "借书"
ClientHeight = 945
ClientLeft = 45
ClientTop = 330
ClientWidth = 6345
LinkTopic = "Form2"
MaxButton = 0 'False
MinButton = 0 'False
Picture = "lendbook.frx":0000
ScaleHeight = 945
ScaleWidth = 6345
ShowInTaskbar = 0 'False
StartUpPosition = 3 '窗口缺省
Begin VB.CommandButton Command4
Caption = "取消"
Height = 375
Left = 5280
Picture = "lendbook.frx":9C09
Style = 1 'Graphical
TabIndex = 15
Top = 240
Width = 855
End
Begin VB.CommandButton Command3
Caption = "取消"
Height = 375
Left = 3600
TabIndex = 14
Top = 2520
Width = 975
End
Begin VB.CommandButton Command2
Caption = "借走"
Height = 375
Left = 1440
TabIndex = 13
Top = 2520
Width = 855
End
Begin VB.TextBox Text2
Appearance = 0 'Flat
BackColor = &H00E0E0E0&
Height = 270
Left = 3120
TabIndex = 12
Text = "Text2"
Top = 360
Width = 975
End
Begin VB.TextBox Text1
Appearance = 0 'Flat
BackColor = &H00E0E0E0&
Height = 270
Index = 0
Left = 1200
TabIndex = 6
Text = "Text1"
Top = 1200
Width = 975
End
Begin VB.TextBox Text1
Appearance = 0 'Flat
BackColor = &H00E0E0E0&
Height = 270
Index = 1
Left = 3000
TabIndex = 5
Text = "Text1"
Top = 1200
Width = 975
End
Begin VB.TextBox Text1
Appearance = 0 'Flat
BackColor = &H00E0E0E0&
Height = 270
Index = 2
Left = 4920
TabIndex = 4
Text = "Text1"
Top = 1200
Width = 975
End
Begin VB.TextBox Text1
Appearance = 0 'Flat
BackColor = &H00E0E0E0&
Height = 270
Index = 3
Left = 1200
TabIndex = 3
Text = "Text1"
Top = 1920
Width = 975
End
Begin VB.TextBox Text1
Appearance = 0 'Flat
BackColor = &H00E0E0E0&
Height = 270
Index = 4
Left = 3120
TabIndex = 2
Text = "Text1"
Top = 1920
Width = 1575
End
Begin VB.CommandButton Command1
Caption = "确定"
Height = 375
Left = 4320
Picture = "lendbook.frx":C469
Style = 1 'Graphical
TabIndex = 1
Top = 240
Width = 855
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "出版社"
Height = 180
Index = 5
Left = 2520
TabIndex = 11
Top = 2040
Width = 540
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "类别"
Height = 180
Index = 4
Left = 240
TabIndex = 10
Top = 2040
Width = 360
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "价格"
Height = 180
Index = 3
Left = 4320
TabIndex = 9
Top = 1200
Width = 360
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "书名"
Height = 180
Index = 2
Left = 2520
TabIndex = 8
Top = 1200
Width = 360
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "图书编号"
Height = 180
Index = 0
Left = 240
TabIndex = 7
Top = 1200
Width = 720
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "输入你要借的图书编号"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Index = 1
Left = 120
TabIndex = 0
Top = 360
Width = 2565
End
End
Attribute VB_Name = "lendbook"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim sql As String
Dim i As Integer
Dim j As Integer
Command2.Enabled = False
sql = "select * from book where bookno='" & Trim(Text2.Text) & "'"
opendb sql, ""
If rs.EOF Then
MsgBox "没有这本书", 64, "提示"
Text2.Text = ""
Text2.SetFocus
closedb
Exit Sub
ElseIf rs("stock") = 0 Or rs("stock") < 0 Then
MsgBox "这本书已经被借完了。", 64, "提示"
Command4.Visible = False
If Not lendbook.Height = 3920 Then
lendbook.Height = lendbook.Height + 2600
End If
For i = 0 To rs.Fields.Count - 4
Text1(i).Text = rs(i + 1).Value & " "
Next
Else
Command2.Enabled = True
Command4.Visible = False
lendbookno = Trim(Text2.Text)
If Not lendbook.Height = 3920 Then
lendbook.Height = lendbook.Height + 2600
End If
For j = 0 To rs.Fields.Count - 4
Text1(j).Text = rs(j + 1).Value & " "
Next
End If
closedb
End Sub
Private Sub Command2_Click()
Dim sql As String
Dim i As Integer
Dim j As Integer
sql = "select * from book where bookno='" & lendbookno & "'"
opendb sql, "2"
rs("stock") = Val(rs("stock")) - 1 '借出一本将库存减一
rs.Update
closedb
sql = "select * from lendbook"
opendb sql, "2"
rs.AddNew
rs("username") = username '添加一条借书信息
rs("name") = name1
rs("bookno") = Trim(Text1(0).Text)
rs("booktitle") = Trim(Text1(1).Text)
rs("price") = Val(Trim(Text1(2).Text))
rs("sort") = Trim(Text1(3).Text)
rs("press") = Trim(Text1(4).Text)
rs("lenddate") = Date
If setflag = False Then
rs("backdate") = Date + 30
Else
rs("backdate") = Date + bookday
End If
rs.Update
closedb
MsgBox "你成功借了《" & Trim(Text1(1).Text) & "》这本书", 64, "提示"
Unload Me
End Sub
Private Sub Command3_Click()
Unload Me
End Sub
Private Sub Command4_Click()
Unload Me
End Sub
Private Sub Form_Activate()
Text2.SetFocus
End Sub
Private Sub Form_Load()
Text2.Text = ""
For i = 0 To 4
Text1(i).Text = ""
Text1(i).Locked = True
Next
End Sub
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