VB操作ACCESS数据库代码

'VB引用项目如下:
'Microsoft ADO Ext. 2.8 for DDL and Security
'Microsoft ActiveX Data Objects 2.8 Library
'COM+ Services Type Library
'Microsoft DAO 3.6 Object Library
Sub CreateDatabase(mdbPath, mdbPassword)

Dim cat As New ADOX.Catalog
If mdbPassword = "" Then
cat.Create "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source" & mdbPath & ";"
Else
cat.Create "Provider=Microsoft.Jet.OLEDB.4.0;Password=" & mdbPassword & ";Data Source=" & mdbPath & ";"
'cat.Create "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & mdbPath & ";"
End If
MsgBox "数据库" & mdbPath & "建立成功", vbOKOnly
'Set wspDefault = DBEngine.Workspaces(0)
'Set dbs = wspDefault.CreateDatabase("Newdb.mdb", _
'dbLangGeneral & ";pwd=NewPassword", dbEncrypt)

End Sub

Sub CreateTable(mdbPath, mdbTableName, mdbSqlColumns, mdbPrimaryKey)
'建立列的sql语句
'mdbPath="c:/test.mdb"
'mdbTableName="User"
'mdbSqlColumns="ID,adInteger;UserName,adVarWChar,20;Password,adVarWChar,20"
'mdbPrimaryKey="ID"
Dim tbl As New Table
Dim cat As New ADOX.Catalog
Dim con As ADODB.Connection
cat.ActiveConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source=" & mdbPath & ";"

Dim ArrayColumn As String
tbl.Name = mdbTableName

'添加数据表字段(字段格式:字段名 字段类别，字段长度；最末字段没有分号)
ArrayTotalColumn = Split(mdbSqlColumns, ";", -1, 1)
For i = 0 To UBound(ArrayTotalColumn)
ArraySingleColumn = Split(ArrayTotalColumn(i), ",", -1, 1)
If UBound(ArraySingleColumn) = 1 Then
'tbl.Columns.Append ArraySingleColumn(0), ArraySingleColumn(1)
tbl.Columns.Append ArraySingleColumn(0), adInteger
Else
'tbl.Columns.Append ArraySingleColumn(0), ArraySingleColumn(1), ArraySingleColumn(2)
tbl.Columns.Append ArraySingleColumn(0), adVarWChar, CInt(ArraySingleColumn(2))
End If
Next

'设置数据表主键
'tbl.Columns(mdbPrimaryKey).Properties("AutoIncrement") = True
cat.Tables.Append tbl

'设置列的必填属性为“否”
'tbl.Columns("Weight").Attributes = adColNullable
'设置列的允许空字符串为“是”
'tbl.Columns("FirstName").Properties("Jet OLEDB:Allow Zero Length") = True
Set tbl = Nothing
Set cat = Nothing
MsgBox "数据表" & mdbPath & "-" & mdbTableName & "建立成功", vbOKOnly
End Sub

'这个准备编写成一个类。
'其实作用跟我上次编写的ASP操作ACCESS数据库大全性质和功能基本相似
'数据库--新建，删除，压缩，修复，设置密码，数据库文件存在判断，读取'
'数据表--新建，删除，数据表名称读取，判断，删除，更新
'数据字段--新建，修改，主键，允许为空，长度，外键，索引，字段名列表，判断，属性设置