📄 frmborrow_book.frm
字号:
VERSION 5.00
Begin VB.Form frmborrow_book
Caption = "Form1"
ClientHeight = 5685
ClientLeft = 60
ClientTop = 465
ClientWidth = 7815
LinkTopic = "Form1"
MinButton = 0 'False
ScaleHeight = 5685
ScaleWidth = 7815
StartUpPosition = 3 '窗口缺省
Begin VB.Frame Frame3
Height = 1215
Left = 240
TabIndex = 20
Top = 4080
Width = 7095
Begin VB.CommandButton Command2
Caption = "取消"
Height = 495
Left = 3240
TabIndex = 22
Top = 360
Width = 1455
End
Begin VB.CommandButton Command1
Caption = "确定"
Height = 495
Left = 1080
TabIndex = 21
Top = 360
Width = 1335
End
End
Begin VB.Frame Frame2
Caption = "读者信息"
Height = 1575
Left = 120
TabIndex = 15
Top = 2400
Width = 7335
Begin VB.ComboBox Combo2
Height = 300
Left = 2280
TabIndex = 19
Text = "选择姓名"
Top = 840
Width = 2055
End
Begin VB.ComboBox Combo1
Height = 300
Left = 2280
TabIndex = 17
Text = "选择编号"
Top = 240
Width = 2055
End
Begin VB.Label Label16
Caption = "读者姓名："
Height = 375
Left = 1080
TabIndex = 18
Top = 840
Width = 1215
End
Begin VB.Label Label15
Caption = "读者信息："
Height = 375
Left = 1080
TabIndex = 16
Top = 240
Width = 1095
End
End
Begin VB.Frame Frame1
Caption = "书籍信息"
Height = 2175
Left = 120
TabIndex = 0
Top = 120
Width = 7455
Begin VB.Label Label14
Caption = "Label14"
Height = 375
Left = 4920
TabIndex = 14
Top = 1200
Width = 1815
End
Begin VB.Label Label13
Caption = "Label13"
Height = 375
Left = 4920
TabIndex = 13
Top = 720
Width = 1935
End
Begin VB.Label Label12
Caption = "Label12"
Height = 375
Left = 4920
TabIndex = 12
Top = 240
Width = 1575
End
Begin VB.Label Label11
Caption = "Label11"
Height = 375
Left = 1320
TabIndex = 11
Top = 1680
Width = 1575
End
Begin VB.Label Label10
Caption = "Label10"
Height = 375
Left = 1320
TabIndex = 10
Top = 1200
Width = 1335
End
Begin VB.Label Label9
Caption = "Label9"
Height = 375
Left = 1320
TabIndex = 9
Top = 600
Width = 1335
End
Begin VB.Label Label8
Caption = "Label8"
Height = 375
Left = 1320
TabIndex = 8
Top = 240
Width = 1575
End
Begin VB.Label Label7
Caption = "类别："
Height = 375
Left = 4080
TabIndex = 7
Top = 360
Width = 615
End
Begin VB.Label Label6
Caption = "出版社："
Height = 375
Left = 3840
TabIndex = 6
Top = 720
Width = 855
End
Begin VB.Label Label5
Caption = "登记日期："
Height = 375
Left = 3720
TabIndex = 5
Top = 1200
Width = 975
End
Begin VB.Label Label4
Caption = "出版日期："
Height = 375
Left = 240
TabIndex = 4
Top = 1680
Width = 975
End
Begin VB.Label Label3
Caption = "作者："
Height = 375
Left = 600
TabIndex = 3
Top = 1200
Width = 735
End
Begin VB.Label Label2
Caption = "书名："
Height = 375
Left = 600
TabIndex = 2
Top = 720
Width = 615
End
Begin VB.Label Label1
Caption = "书籍编号："
Height = 375
Left = 240
TabIndex = 1
Top = 240
Width = 975
End
End
End
Attribute VB_Name = "frmborrow_book"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim leibie As String '该读者的类别
Dim qixian As Integer '该读者可以借书的期限
Dim shumu As Integer '该读者已借书数量
Dim maxnum As Integer '该读者借书数量的限制
Private Sub Combo1_Change()
Combo1.ListIndex = Combo2.ListIndex
End Sub
Private Sub Combo2_Change()
Combo2.ListIndex = Combo1.ListIndex
End Sub
Private Sub Command1_Click()
Dim rs_borrowbook As New ADODB.Recordset
Dim sql As String
sql = "select * from 读者信息 where 读者编号='" & Combo1.Text & "'"
rs_borrowbook.Open sql, conn, adOpenKeyset, adLockPessimistic
leibie = rs_borrowbook.Fields(3)
shumu = rs_borrowbook.Fields(8)
rs_borrowbook.Close
sql = "select * from 读者类别 where 种类名称='" & leibie & "'"
rs_borrowbook.Open sql, conn, adOpenKeyset, adLockPessimistic
qixian = rs_borrowbook.Fields(2)
maxnum = rs_borrowbook.Fields(1)
rs_borrowbook.Close
If shumu >= maxnum Then
MsgBox "该读者借书数额已满！", vbOKOnly + vbExclamation
Exit Sub
End If
sql = "select * from 借阅信息"
rs_borrowbook.Open sql, conn, adOpenKeyset, adLockPessimistic
rs_borrowbook.AddNew
rs_borrowbook.Fields(1) = Combo1.Text
rs_borrowbook.Fields(2) = Combo2.Text
rs_borrowbook.Fields(3) = Label8.Caption
rs_borrowbook.Fields(4) = Label9.Caption
rs_borrowbook.Fields(5) = Date
rs_borrowbook.Fields(6) = DateAdd("Ww", qixian, Date)
rs_borrowbook.Update
rs_borrowbook.Close
sql = "select * from 书籍信息 where 书籍编号='" & book_num & "'"
rs_borrowbook.Open sql, conn, adOpenKeyset, adLockPessimistic
rs_borrowbook.Fields(7) = "是"
rs_borrowbook.Update
rs_borrowbook.Close
sql = "select * from 读者信息 where 读者编号='" & Combo1.Text & "'"
rs_borrowbook.Open sql, conn, adOpenKeyset, adLockPessimistic
rs_borrowbook.Fields(8) = rs_borrowbook.Fields(8) + 1
rs_borrowbook.Update
rs_borrowbook.Close
MsgBox "本书借阅成功！", vbOKOnly + vbExclamation
Unload Me
End Sub
Private Sub Command2_Click()
Unload Me
End Sub
Private Sub Form_Load()
Dim rs_borrow As New ADODB.Recordset
Dim rs_reader As New ADODB.Recordset
Dim sql As String
sql = "select * from 书籍信息 where 书籍编号='" & book_num & "'"
rs_borrow.Open sql, conn, adOpenKeyset, adLockPessimistic
Label8.Caption = rs_borrow.Fields(0)
Label9.Caption = rs_borrow.Fields(1)
Label10.Caption = rs_borrow.Fields(2)
Label11.Caption = rs_borrow.Fields(3)
Label12.Caption = rs_borrow.Fields(4)
Label13.Caption = rs_borrow.Fields(5)
Label14.Caption = rs_borrow.Fields(6)
sql = "select * from 读者信息"
rs_reader.Open sql, conn, adOpenKeyset, adLockPessimistic
If Not rs_reader.EOF Then
Do While Not rs_reader.EOF
Combo1.AddItem rs_reader.Fields(1)
Combo2.AddItem rs_reader.Fields(0)
rs_reader.MoveNext
Loop
Else
MsgBox "请先登记读者！", vbOKOnly + vbExclamation
Exit Sub
End If
rs_borrow.Close
rs_reader.Close
End Sub
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