📄 添加借书信息.frm
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TabIndex = 17
Top = 960
Width = 1695
End
Begin VB.Label Label15
Caption = "读者编号"
Height = 495
Left = 1680
TabIndex = 16
Top = 240
Width = 1575
End
End
Begin VB.Frame Frame1
Caption = "书籍信息"
Height = 2175
Left = 360
TabIndex = 0
Top = 2400
Width = 7215
Begin VB.Label Label14
Caption = "Label14"
Height = 375
Left = 4200
TabIndex = 14
Top = 1560
Width = 1215
End
Begin VB.Label Label13
Caption = "Label13"
Height = 375
Left = 1080
TabIndex = 13
Top = 1680
Width = 1095
End
Begin VB.Label Label12
Caption = "Label12"
Height = 375
Left = 3960
TabIndex = 12
Top = 840
Width = 1335
End
Begin VB.Label Label11
Caption = "Label11"
Height = 375
Left = 720
TabIndex = 11
Top = 1200
Width = 1215
End
Begin VB.Label Label10
Caption = "Label10"
Height = 375
Left = 3840
TabIndex = 10
Top = 360
Width = 1695
End
Begin VB.Label Label9
Caption = "Label9"
Height = 375
Left = 720
TabIndex = 9
Top = 720
Width = 1575
End
Begin VB.Label Label8
Caption = "Label8"
Height = 375
Left = 720
TabIndex = 8
Top = 240
Width = 1455
End
Begin VB.Label Label7
Caption = "登记日期"
Height = 495
Left = 3360
TabIndex = 7
Top = 1560
Width = 1575
End
Begin VB.Label Label6
Caption = "出版日期"
Height = 375
Left = 240
TabIndex = 6
Top = 1680
Width = 1695
End
Begin VB.Label Label5
Caption = "出版社"
Height = 495
Left = 3360
TabIndex = 5
Top = 840
Width = 1575
End
Begin VB.Label Label4
Caption = "作者"
Height = 375
Left = 240
TabIndex = 4
Top = 1200
Width = 975
End
Begin VB.Label Label3
Caption = "类别"
Height = 495
Left = 3360
TabIndex = 3
Top = 360
Width = 855
End
Begin VB.Label Label2
Caption = "书名"
Height = 375
Left = 240
TabIndex = 2
Top = 720
Width = 975
End
Begin VB.Label Label1
Caption = "编号"
Height = 375
Left = 240
TabIndex = 1
Top = 240
Width = 975
End
End
End
Attribute VB_Name = "添加借书信息"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim leibie As String
Dim qixian As Integer
Dim shumu As Integer
Dim maxnum As Integer
Public book_num As String
Private Sub Combo1_Change()
Combo2.ListIndex = Combo1.ListIndex
End Sub
Private Sub Combo2_Change()
Combo1.ListIndex = Combo2.ListIndex
End Sub
Private Sub Command1_Click()
Dim rs_borrowbook As New ADODB.Recordset
Dim sql As String
Dim cnn As ADODB.Connection
Dim rst As ADODB.Recordset
Adodc1.RecordSource = "select * from dzxx where 读者编号='" & Combo1.Text & "'"
Adodc1.Refresh
leibie = Adodc1.Recordset.Fields(3) '得到该读者的类别
shumu = Adodc1.Recordset.Fields(8) '得到该读者已经借的书的数目
Adodc1.RecordSource = "select * from dzlb where 种类名称='" & leibie & "'"
Adodc1.Refresh
qixian = Adodc1.Recordset.Fields(2) '得到该读者可以借书的期限
maxnum = Adodc1.Recordset.Fields(1) '得到该读者可以借书的数目
If shumu >= maxnum Then
MsgBox "该读者借书数额已满!", vbOKOnly + vbExclamation
Exit Sub
Else
Set cnn = New ADODB.Connection
cnn.Open "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=db1.mdb;"
'更新书籍信息表中该书籍为已经借出
sql = "update sjxx set 是否被借出='是' where 图书编号='" & Adodc2.Recordset.Fields(0) & "'"
cnn.Execute sql
'更新该读者已经借书的数目
sql = "update dzxx set 已借书数量=已借书数量+1 where 读者编号='" & Combo1.Text & "'"
cnn.Execute sql
'生成本次借阅信息记录
sql = "insert into jyxx(读者编号,读者姓名,书籍编号,书籍名称,出借日期) values ('" & Combo1.Text & "','" & Combo2.Text & "','" & Label8.Caption & "','" & Label9.Caption & "','" & Date & "')"
cnn.Execute sql
MsgBox "借书成功!"
End If
End Sub
Private Sub Command2_Click()
Unload Me
End Sub
Private Sub DataGrid1_Click()
Label8.Caption = Adodc2.Recordset.Fields(0)
Label9.Caption = Adodc2.Recordset.Fields(1)
Label10.Caption = Adodc2.Recordset.Fields(2)
Label11.Caption = Adodc2.Recordset.Fields(3)
Label12.Caption = Adodc2.Recordset.Fields(4)
Label13.Caption = Adodc2.Recordset.Fields(5)
Label14.Caption = Adodc2.Recordset.Fields(6)
End Sub
Private Sub Form_Load()
Dim i As Integer
'Adodc2.RecordSource = "select * from sjxx where 书籍编号='" & book_num & "'"
Adodc2.RecordSource = "select * from sjxx"
Adodc2.Refresh
Label8.Caption = Adodc2.Recordset.Fields(0)
Label9.Caption = Adodc2.Recordset.Fields(1)
Label10.Caption = Adodc2.Recordset.Fields(2)
Label11.Caption = Adodc2.Recordset.Fields(3)
Label12.Caption = Adodc2.Recordset.Fields(4)
Label13.Caption = Adodc2.Recordset.Fields(5)
Label14.Caption = Adodc2.Recordset.Fields(6)
Combo1.Clear
Combo2.Clear
Adodc1.RecordSource = "select * from dzxx"
Adodc1.Refresh
Adodc1.Recordset.MoveFirst
For i = 0 To Adodc1.Recordset.RecordCount - 1
Combo1.AddItem Adodc1.Recordset.Fields(1).Value
Combo2.AddItem Adodc1.Recordset.Fields(0).Value
Adodc1.Recordset.MoveNext
Next
Combo1.ListIndex = 0
Combo2.ListIndex = 0
End Sub
Public Sub BorrowOneBook()
Dim i As Integer
Adodc2.RecordSource = "select * from sjxx where 图书编号='" & book_num & "'"
Adodc2.Refresh
Label8.Caption = Adodc2.Recordset.Fields(0)
Label9.Caption = Adodc2.Recordset.Fields(1)
Label10.Caption = Adodc2.Recordset.Fields(2)
Label11.Caption = Adodc2.Recordset.Fields(3)
Label12.Caption = Adodc2.Recordset.Fields(4)
Label13.Caption = Adodc2.Recordset.Fields(5)
Label14.Caption = Adodc2.Recordset.Fields(6)
Combo1.Clear
Combo2.Clear
Adodc1.RecordSource = "select * from dzxx"
Adodc1.Refresh
Adodc1.Recordset.MoveFirst
For i = 0 To Adodc1.Recordset.RecordCount - 1
Combo1.AddItem Adodc1.Recordset.Fields(1).Value
Combo2.AddItem Adodc1.Recordset.Fields(0).Value
Adodc1.Recordset.MoveNext
Next
Combo1.ListIndex = 0
Combo2.ListIndex = 0
End Sub
Private Sub Form_Unload(Cancel As Integer)
Unload Me
End Sub
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