Dim rs As New ADODB.Recordset
Dim page As Integer
Dim pubdatapath As String
Sub opendatabase(datapath As String) '打开数据库函数
page = 1 '首次定义打开时的页码为1
If link1.State = 1 Then '如果以连接过，则关闭，初始化下次事务
link1.Close: list2.ListItems.Clear: list2.ColumnHeaders.Clear: c.Clear: list1.ListItems.Clear
End If
link1.ConnectionString = "Provider=microsoft.jet.oledb.4.0;data source=" & datapath
link1.Open
pubdatapath = datapath
Set biaoming = link1.OpenSchema(adSchemaColumns) '创建数据库记录集
tablename = ""
Do Until biaoming.EOF
If biaoming("table_name") <> tablename Then '列出所有表
tablename = biaoming("table_name")
list1.ListItems.Add , , tablename
End If
biaoming.MoveNext
Loop
Set biaoming = Nothing
menu1.Enabled = True
list1_MouseUp 1, 0, 10, 10
End Sub
Private Sub Command1_Click() '打开数据库
d.DialogTitle = "打开一个数据库文件进行浏览"
d.InitDir = App.Path
d.FileName = ""
d.Filter = "Access数据库(mdb后缀,推荐格式) *.mdb"
d.ShowOpen
If d.FileName = "" Then Exit Sub
opendatabase d.FileName
End Sub
Private Sub Command4_Click()
str1 = InputBox("请输入一个1-5000之间的数字", "重设", Text1.Text)
If str1 = Text1.Text Or str1 = "" Then Exit Sub
If IsNumeric(str1) = False Then Exit Sub
If str1 > 5000 Or str1 < 1 Then Exit Sub
Text1.Text = str1
If list1.ListItems.Count = 0 Then Exit Sub Else list1_MouseUp 1, 0, 10, 10
End Sub
Private Sub down_Click() '功能，下一页
page = page 1: list1_MouseUp 1, 0, 10, 10
End Sub
Private Sub findstr_Click() '查询数据
If InStr(Text2.Text, "'") <> 0 Then MsgBox "查询时关键字不允许包含 ' 符号", VBCritical, "无效字符": Exit Sub
If rs.State = 1 Then rs.Close
rs.Open "select " & c.Text & " from " & list1.SelectedItem.Text & " where " & c.Text & " like '%" & Text2.Text & "%'", link1, adOpenStatic, adLockReadOnly
If rs.EOF Then MsgBox "没有符号条件的记录,请从新查找", vbCritical, "未发现记录": Exit Sub
Do While Not rs.EOF
i = i 1
str1 = str1 & i & " ： " & rs(0) & vbCrLf
rs.MoveNext
Loop
MsgBox str1, vbExclamation, "查询结果 - " & rs.RecordCount & "匹配"
End Sub
Private Sub Form_Resize()
list1.ColumnHeaders(1).Width = list1.Width - 80
list2.Width = Me.ScaleWidth - list2.Left - 30
list1.Height = Me.ScaleHeight - list1.Top - 30
list2.Height = Me.ScaleHeight - (Me.ScaleHeight - down.Top) - 150
End Sub
Private Sub Form_Unload(Cancel As Integer)
If rs.State = 1 Then rs.Close
If link1.State = 1 Then link1.Close
Set rs = Nothing: Set link1 = Nothing
End Sub
Private Sub list1_MouseUp(Button As Integer, Shift As Integer, x As Single, y As Single) '切换表
On Error Resume Next
If list1.ListItems.Count = 0 Then Exit Sub
If rs.State = 1 Then rs.Close
list2.ListItems.Clear: list2.ColumnHeaders.Clear: c.Clear
rs.Open "select * from " & list1.SelectedItem.Text, link1, adOpenStatic, adLockReadOnly
If Err.Number <> 0 Then
MsgBox "该数据表不能支持的游标模式", vbCritical, "不规则的格式": Exit Sub
End If
rs.PageSize = Text1.Text
rslen = rs.RecordCount
If rs.PageCount < page Then page = 1
Label3.Caption = "共" & rslen & "条记录,共" & rs.PageCount & "页,当前页码 " & page
If rs.PageCount > page Then down.Enabled = True Else down.Enabled = False
If page <> 1 Then up.Enabled = True Else up.Enabled = False
Set ziduan = rs.Fields '定义字段记录集
For i = 0 To ziduan.Count - 1
list2.ColumnHeaders.Add , , ziduan(i).Name '根据字段指定视图列
c.AddItem ziduan(i).Name
rs.MoveFirst '记录到尾后填充下一列
rs.AbsolutePage = page '定义记录集的绝对页码
For r = 0 To rs.PageSize - 1
If rs.EOF Then Exit For
rstext = rs(i)
If i = 0 Then '首次直接填充第一列
list2.ListItems.Add , , rstext
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