判断dll文件是否已经注册的ASP函数代码

%
'功能:检查是否存在系统组件或组件是否安装成功
'参数:组件名
Function IsObjInstalled(strClassString)
On Error Resume Next
IsObjInstalled = False
Err = 0
Dim xTestObj
Set xTestObj = Server.CreateObject(strClassString)
If 0 = Err Then IsObjInstalled = True
Set xTestObj = Nothing
Err = 0
End Function
'获取系统组件的版本号
Function getver(Classstr)
On Error Resume Next
getver=""
Err = 0
Dim xTestObj
Set xTestObj = Server.CreateObject(Classstr)
If 0 = Err Then getver=xtestobj.version
Set xTestObj = Nothing
Err = 0
End Function
%>

%
if IsObjInstalled("fso.file") =True then
response.write("已经安装")getver("fso.file")
end if
%>