VBScript 执行方法不声明变量
我正在研究动态“包含”方法,并最终找到了一个使用 VBScript 的执行函数的解决方案。这对我来说非常适合,但我注意到 Execute 执行代码,但此代码无法声明变量或函数之类的内容:
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
If objFSO.FileExists(Server.MapPath(strFile)) Then
Set objFile = objFSO.OpenTextFile(Server.MapPath(strFile), 1)
strSource = objFile.ReadAll
// Filter out comment- and ASP tags cos they return errors
strSource = Replace(strSource, Chr(60)&Chr(37), "")
strSource = Replace(strSource, Chr(37)&Chr(62), "")
objRegExp.Pattern = "^[ \t]*(//¦\')[\s\S]*?$"
strSource = objRegExp.Replace(strSource, "")
// Execute the code
On Error Resume Next
Execute strSource 'etc........
end if
为什么?谢谢你!
I was looking into dynamic "includes" methods and came down to a solution which uses VBScript's Execute function. This works perfectly for me but I noticed that Execute executes the code but this code cannot declare anything like a variable or function:
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
If objFSO.FileExists(Server.MapPath(strFile)) Then
Set objFile = objFSO.OpenTextFile(Server.MapPath(strFile), 1)
strSource = objFile.ReadAll
// Filter out comment- and ASP tags cos they return errors
strSource = Replace(strSource, Chr(60)&Chr(37), "")
strSource = Replace(strSource, Chr(37)&Chr(62), "")
objRegExp.Pattern = "^[ \t]*(//¦\')[\s\S]*?$"
strSource = objRegExp.Replace(strSource, "")
// Execute the code
On Error Resume Next
Execute strSource 'etc........
end if
Why? Thank you!
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也许您想使用
ExecuteGlobal
相反。我想您的动态包含文件加载器位于子例程中,因此当您使用 Execute 时,新变量的范围位于该子例程内。ExecuteGlobal
将确保新变量全局可用。Perhaps you want to use
ExecuteGlobal
instead. I imagine that your dynamic includes file loader is in a subroutine, so when you useExecute
, the new variables are scoped within that subroutine.ExecuteGlobal
will ensure that the new variables are available globally.