Command2.Enabled = True
Command3.Enabled = True
Command4.Enabled = False
Command5.Enabled = False
End Sub
Private Sub Form_Load()
Command4.Enabled = False
DataGrid1.AllowAddNew = False
DataGrid1.AllowDelete = False
DataGrid1.AllowUpdate = False
If userpow = "guest" Then
Frame2.Enabled = False
End If
Exit Sub
loaderror:
MsgBox Err.Description
End Sub
Private Sub Form_Unload(Cancel As Integer)
Set DataGrid1.DataSource = Nothing
End Sub
窗体名：Form7
代码：
Private Sub Command1_Click()
Dim rs_findreader As New ADODB.Recordset
Dim sql As String
If Check1.Value = vbChecked Then
sql = "读者编号='" & Trim(Text1.Text & " ") & "'"
End If
If Check2.Value = vbChecked Then
If Trim(sql) = "" Then
sql = "读者姓名='" & Trim(Text2.Text & " ") & "'"
Else
sql = sql & "and 读者姓名='" & Trim(Text2.Text & " ") & "'"
End If
End If
If Check3.Value = vbChecked Then
If Trim(sql) = "" Then
sql = "读者类别='" & Trim(Combo1.Text & " ") & "'"
Else
sql = sql & "and 读者类别='" & Trim(Combo1.Text & " ") & "'"
End If
End If
If Trim(sql) = "" Then
MsgBox "请选择查询方式!", vbOKOnly + vbExclamation
Exit Sub
End If
Adodc1.RecordSource = "select * from dzxx where " & sql
Adodc1.Refresh
DataGrid1.ReBind
DataGrid1.AllowAddNew = False
DataGrid1.AllowDelete = False
DataGrid1.AllowUpdate = False
End Sub
Private Sub Command2_Click()
Unload Me
End Sub
Private Sub Form_Load()
Dim i As Integer
Dim sql As String
Combo1.Clear
Adodc2.Recordset.MoveFirst
For i = 0 To Adodc2.Recordset.RecordCount - 1
Combo1.AddItem Adodc2.Recordset.Fields(0).Value
Adodc2.Recordset.MoveNext
Next
Combo1.ListIndex = 0
End Sub
窗体名：Form8
代码：
Private Sub Combo1_Change()
Combo2.ListIndex = Combo1.ListIndex
End Sub
Private Sub Combo2_Change()
Combo1.ListIndex = Combo2.ListIndex
End Sub
Option Explicit
Dim leibie As String
Dim qixian As Integer
Dim shumn As Integer
Dim maxnum As Integer
Private Sub Command1_Click()
Dim rs_borrowbook As New ADODB.Recordset
Dim sql As String
Adodc1.RecordSource = "select * from 读者信息 where 读者编号='" & Combo1.Text & ","
Adodc1.Refresh
leibie = Adodc1.Recordset.Fields(3)
shumu = Adodc1.Recordset.Fields(8)
Adodc1.RecordSource = "select * from 读者类别 where 种类名称='" & leibie & "'"
Adodc1.Refresh
qixian = Adodc1.Recordset.Fields(2)
maxnum = Adodc1.Recordset.Fields(1)
If shumu >= maxnum Then
MsgBox "该读者借书数额已满!", vbOKOnly + vbExclamation
Exit Sub
End Sub
Private Sub Command2_Click()
Unload Me
End Sub
Private Sub Form_Load()
Dim i As Integer
Adodc2.RecordSource = "select * from 书籍信息 where 书籍编号='" & 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 读者信息"
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
窗体名:form9
代码：
Private Sub Command1_Click()
Dim sql As String
If Option1.Value = True Then
sql = "是否被借出='是'"
End If
If Option2.Value = True Then
sql = "是否被借出='否'"
End If
Adodc1.RecordSource = "select * from sjxx where " & sql
Adodc1.Refresh
DataGrid1.ReBind
DataGrid1.AllowAddNew = False
DataGrid1.AllowDelete = False
DataGrid1.AllowUpdate = False
End Sub
Private Sub Command2_Click()
Unload Me
End Sub
模块名：Module1
代码：
Option Explicit
Public conn As New ADODB.Connection
Public select_menu As String
Public userID As String
Public userpow As String
Public book_num As String
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