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纯编码实现Access数据库的建立或压缩_ASP基础_

2023-05-25 140人已围观

简介纯编码实现Access数据库的建立或压缩_ASP基础_

"\" Or Right(SavePath,1)"/" Then SavePath = Trim(SavePath) & "\" If Left(dbFileName,1)="\" Or Left(dbFileName,1)="/" Then dbFileName = Trim(Mid(dbFileName,2,Len(dbFileName))) If DbExists(SavePath & dbFileName) Then Response.Write ("对不起，该数据库已经存在!") CreateDBfile = False Else Dim Ca Set Ca = Server.CreateObject("ADOX.Catalog") If Err.number0 Then Response.Write ("无法建立，请检查错误信息 " & Err.number & " " & Err.Description) Err.Clear Exit function End If If DbVer=0 Then call Ca.Create("Provider=Microsoft.Jet.OLEDB.3.51;Data Source=" & SavePath & dbFileName) Else call Ca.Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & SavePath & dbFileName) End If Set Ca = Nothing CreateDBfile = True End If End function Public function CompactDatabase(byVal dbFileName,byVal DbVer,byVal SavePath) '压缩数据库文件 '0 为access 97 '1 为access 2000 On Error resume next If Right(SavePath,1)"\" Or Right(SavePath,1)"/" Then SavePath = Trim(SavePath) & "\" If Left(dbFileName,1)="\" Or Left(dbFileName,1)="/" Then dbFileName = Trim(Mid(dbFileName,2,Len(dbFileName))) If DbExists(SavePath & dbFileName) Then Response.Write ("对不起，该数据库已经存在!") CompactDatabase = False Else Dim Cd Set Cd =Server.CreateObject("JRO.JetEngine") If Err.number0 Then Response.Write ("无法压缩，请检查错误信息 " & Err.number & " " & Err.Description) Err.Clear Exit function End If If DbVer=0 Then call Cd.CompactDatabase("Provider=Microsoft.Jet.OLEDB.3.51;Data Source=" & SavePath & dbFileName,"Provider=Microsoft.Jet.OLEDB.3.51;Data Source=" & SavePath & dbFileName & ".bak.mdb;Jet OLEDB;Encrypt Database=True") Else call Cd.CompactDatabase("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & SavePath & dbFileName,"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & SavePath & dbFileName & ".bak.mdb;Jet OLEDB;Encrypt Database=True") End If '删除旧的数据库文件 call DeleteFile(SavePath & dbFileName) '将压缩后的数据库文件还原 call RenameFile(SavePath & dbFileName & ".bak.mdb",SavePath & dbFileName) Set Cd = False CompactDatabase = True End If end function Public function DbExists(byVal dbPath) '查找数据库文件是否存在 On Error resume Next Dim c Set c = Server.CreateObject("ADODB.Connection") c.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbPath If Err.number0 Then Err.Clear DbExists = false else DbExists = True End If set c = nothing End function Public function AppPath() '取当前真实路径 AppPath = Server.MapPath("./") End function Public function AppName() '取当前程序名称 AppName = Mid(Request.ServerVariables("SCRIPT_NAME"),(InStrRev(Request.ServerVariables("SCRIPT_NAME") ,"/",-1,1))+1,Len(Request.ServerVariables("SCRIPT_NAME"))) End Function Public function DeleteFile(filespec) '删除一个文件 Dim fso Set fso = CreateObject("Scripting.FileSystemObject") If Err.number0 Then Response.Write("删除文件发生错误!请查看错误信息 " & Err.number & " " & Err.Description) Err.Clear DeleteFile = False End If call fso.DeleteFile(filespec) Set fso = Nothing DeleteFile = True End function Public function RenameFile(filespec1,filespec2) '修改一个文件 Dim fso Set fso = CreateObject("Scripting.FileSystemObject") If Err.number0 Then Response.Write("修改文件名时发生错误!请查看错误信息 " & Err.number & " " & Err.Description) Err.Clear RenameFile = False End If call fso.CopyFile(filespec1,filespec2,True) call fso.DeleteFile(filespec1) Set fso = Nothing RenameFile = True End function End Class %>

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