感谢您所有给出的答案... 在这里，我想问一个问题：

Thanks for the answers that you all given... Here I would like to ask one more question :

什么是 PDF文档转换为Word文档在.net中的最佳方法是什么？

What is the best way to convert PDF document to Word document in .net?

推荐答案

保存所有PDF在运行文件夹DOCX。

Save all pdf in run folder to docx.

转换PowerShell脚本为C＃。

Convert powershell script to C#.

在AcrobatX测试专业版。

Test in AcrobatX Pro.

Pdf2Docx.ps1：

Pdf2Docx.ps1:

$TypeExt="docx"
$closeDocParam = $true;

Get-ChildItem -Filter *.pdf |Where {

# logical document

    $AVDoc = New-Object -ComObject AcroExch.AVDoc;    

    $AVDoc.Open($_.Fullname, "") | Out-Null;
# physical document

    $PDDoc = $AVDoc.GetPDDoc();                           
    $JavaScriptObject = $PDDoc.GetJSObject();                        
# get the bridge JavaScript Object

    $T = $JavaScriptObject.GetType();

    $T.InvokeMember("SaveAs",

        [Reflection.BindingFlags]::InvokeMethod -bor `
            [Reflection.BindingFlags]::Public       -bor `
            [Reflection.BindingFlags]::Instance          ,

        $null,
        $JavaScriptObject,
        @([IO.Path]::ChangeExtension($_.Fullname, $TypeExt), ("com.adobe.acrobat."+$TypeExt)));

        $T.InvokeMember("closeDoc", 

        [Reflection.BindingFlags]::InvokeMethod -bor `
            [Reflection.BindingFlags]::Public       -bor `
            [Reflection.BindingFlags]::Instance          ,

            $null, 
            $JavaScriptObject, 
            $closeDocParam) | Out-Null;

    $PDDoc.Close()  | Out-Null;
    $AVDoc.Close(1) | Out-Null;
}