adodb的类封装2009-11-04<Script language="vbscript" runat="server"> "**************************************************************** " Script Compont Object Model " Design for Active Server Pages " Copyright 2004 Version 2.0 " **************************************************************** " " ADODB的类封装 " "***************************************************************** "################################################################# Function CreateCAdoConnection() set CreateCAdoConnection=new CAdoConnection End Function
Class CAdoConnection
Public objAdoConnection
"=============================================================== Public Property Get ConnectionString ConnectionString=objAdoConnection.ConnectionString End Property
Public Property Let ConnectionString(ByVal connString) objAdoConnection.ConnectionString=connString End Property
"=============================================================== Private Sub Class_Initialize " Setup Initialize event.
End Sub Private Sub Class_Terminate " Setup Terminate event.
CloseDbConn() Set objAdoConnection=nothing
End Sub
"Open Adodb.Connection Public Sub OpenDbConn(dbLink) On Error Resume Next objAdoConnection.ConnectionString=dbLink OpenDbConn2() End Sub
Public Sub OpenDbConn2() On Error Resume Next CloseDbConn() objAdoConnection.Open() if err.number>0 then Response.Write "打开娄据库失败!" Response.End end if End Sub
Public Sub CloseDbConn() if objAdoConnection.State=1 then objAdoConnection.Close end if End Sub
Public Function GetConnection() set GetConnection=objAdoConnection End Function
Public Sub AdoError() Response.Write("错误描述 ( 适用于技术人员 ):<br>") if (objAdoConnection.errors.count>0) then "有错误产生 for i=1 to objConn.errors.count Response.Write i&":"&objAdoConnection.errors(i-1).description&"<br>" next "end of for set AdoError=true end if set AdoError=false End Sub
Public Function HaveError() if (objAdoConnection.errors.count>0) then "有错误产生 HaveError=true else HaveError=false end if End Function "-------------------------------------------------------------- Public Function Execute(sql) on Error resume next objAdoConnection.Execute(sql) if err.number>0 then Execute=false else Execute=true end if End Function
Public Function ExecuteToRs(sql) on Error resume next set ExecuteToRs=objAdoConnection.Execute(sql) End Function End Class
"################################################################# Function CreateCAdoRecordSet() set CreateCAdoRecordSet=new CAdoRecordSet End Function Class CAdoRecordSet
Public objAdoRecordSet Private objAdoCommand Private objAdoConnection
"============================================================== Public Property Get cmdCommandType cmdCommandType=objAdoCommand.CommandType End Property
Public Property Let cmdCommandType(ByVal cmdType) objAdoCommand.CommandType=cmdType End Property "---------------------- Public Property Get PageSize PageSize=objAdoRecordSet.PageSize End Property
Public Property Let PageSize(ByVal iPageSize) objAdoRecordSet.PageSize=iPageSize End Property "-------------------- Public Property Get AbsolutePage AbsolutePage=objAdoRecordSet.AbsolutePage End Property
Public Property Let AbsolutePage(ByVal iAbsolutePage) objAdoRecordSet.AbsolutePage=iAbsolutePage End Property "------------------- Public Property Get RecordCount RecordCount=objAdoRecordSet.RecordCount End Property "------------------- Public Property Get pageCount pageCount=objAdoRecordSet.pageCount End Property "-------------------- Public Property Get FieldCount FieldCount=objAdoRecordSet.Fields.Count End Property "===============================================================
Private Sub Class_Initialize " Setup Initialize event.
set objAdoCommand=Server.CreateObject("ADODB.Command") objAdoCommand.CommandType = 1
End Sub Private Sub Class_Terminate " Setup Terminate event.
CloseRecordSet() set objAdoRecordSet=nothing set objAdoCommand=nothing if objAdoConnection<>Empty then set objAdoConnection=nothing end if
End Sub
"--------------------------------------------------------------- Public Sub CloseRecordSet() if objAdoRecordSet.State=1 then objAdoRecordSet.Close end if End Sub
Public Sub SetConnection(objConnection) set objAdoConnection=objConnection set objAdoCommand.ActiveConnection = objAdoConnection End Sub
Public Sub OpenRecordSet(byval sql) CloseRecordSet() objAdoCommand.CommandText=sql set objAdoRecordSet=objAdoCommand.Execute() End Sub
Public Sub OpenRecordSet2(sql,conn,CursorType,LockType) CloseRecordSet() objAdoRecordSet.Open sql,conn,CursorType,LockType End Sub
Public Sub cmdExecute(byval sql) objAdoCommand.CommandText=sql objAdoCommand.Execute() End Sub
"--------------------------------------------------------------- Public Function GetFieldValue(byval fieldName) GetFieldValue=objAdoRecordSet(fieldName).Value End Function
Public Function GetFieldName(byval fieldOrder) GetFieldName=objAdoRecordSet(fieldOrder).name End Function
Public Function SetFieldValue(fieldName,fieldValue) objAdoRecordSet(fieldName).Value=fieldValue End Function
Public Function GetBinaryField(fieldName)
End Function
Public Function SetBinaryField(fieldName,fieldValue)
End Function
Public Function RsUpDate() objAdoRecordSet.Update End Function
Public Function GetRecordSet() set GetRecordSet=objAdoRecordSet End Function "--------------------------------------------------------------- Function IsEmpty() IsEmpty=(objAdoRecordSet.BOF and objAdoRecordSet.EOF) End Function
Function IsEof() IsEof=objAdoRecordSet.EOF End Function
Function IsBof() IsBof=objAdoRecordSet.BOF End Function
"--------------------------------------------------------------- Function MoveFirst() objAdoRecordSet.MoveFirst End Function
Function MovePrevious() if (not objAdoRecordSet.BOF) then objAdoRecordSet.MovePrevious end if End Function
Function MoveNext() if (not objAdoRecordSet.BOF) then objAdoRecordSet.MoveNext end if End Function
Function MoveLast() objAdoRecordSet.MoveLast End Function
End Class "################################################################# Function CreateCAdoCommand() set CreateCAdoCommand=new CAdoCommand End Function Class CAdoCommand
Public objAdoCommand
"============================================================== Public Property Get cmdCommandType cmdCommandType=objAdoCommand.CommandType End Property
Public Property Let cmdCommandType(ByVal cmdType) objAdoCommand.CommandType=cmdType End Property