Javascript 使用VBA在嵌套在框架内的iFrame内的元素中输入/访问值

Javascript 使用VBA在嵌套在框架内的iFrame内的元素中输入/访问值,javascript,jquery,html,vba,frame,Javascript,Jquery,Html,Vba,Frame,我的这个问题已经持续了好几个星期了,我目前正在实习,我所在的单位让我在他们的系统中自动搜索。我已经知道getElements是如何工作的,这是您在inspect elements中可以看到的: <DOCTYPE html PUBLIC "=..../frameset.dtd> <html xmlns=...> <head> <frameset style> <Frame name = "Frame1" src = "Frame1.aspx"&

我的这个问题已经持续了好几个星期了,我目前正在实习,我所在的单位让我在他们的系统中自动搜索。我已经知道getElements是如何工作的,这是您在inspect elements中可以看到的:

<DOCTYPE html PUBLIC "=..../frameset.dtd>
<html xmlns=...>
<head>
<frameset style>
<Frame name = "Frame1" src = "Frame1.aspx">
<Frame name = "Frame2" src = "Frame2.aspx">
                     |
                     V
   <!DOCTYPE html PUBLIC ".....transitional.dtd">
   <html xmlns=...>
   <head>
   <body>
   <form name = "form1" id ="form1">
   <div id="appiDIVA">
      <iframe name = appiFrame class="aFrame" src="Router.aspx">
       <!DOCTYPE html PUBLIC "-...Frameset.dtd">
       <html xmlns=...>
       <head>
       <frameset style = "">
        <frame name = "LeftPage" id = "LeftPage">
          <!DOCTYPE html PUBLIC "-...something.dtd">
          <html xmlns=...>
          <head>
          <body class = "left frame">
           <form id="frmleftForm action = LeftFrame.aspx" method = "post">
           <div>
           <script type = "javascript">
           <script src = ".....">
                    .
                    .
                    .
           <div class = "searchbox">
            <select name = ctlSearch$.. id = ctlSearch_... onchange = javascript... >
            ***<a tabindex="2" class="find" id = searchbutton onclick = "return......." href = "javascript:_..........">***
            <div id ="ctlsearchupdate">
            <span id="ctlsearchtxtfind" style="...">
            ***<input name ="ctlsearch$findthis" tab index="1" id = ctlsearch_" accesskey="4" type="text" maxlength="25" autcomplete="off">***      
然后我研究了代码:

Textbox1.Text = IE.document.getElementsById("ContentFrame").contentDocument.DocumentElement.innerHTML
然后显示元素,直到
不显示其内容或其下的任何内容

如上面代码所示,这些元素都在frame2中,关于如何至少向文本框输入一个值,我已经被困了好几个星期了

然后我做了这个:

PrivateSub CommandButton1_Click()
   Dim HTMLdoc As HTMLDocument
   Dim IE As InternetExplorerMedium

   Set doc = IE.document.frames.frames(1).document.getElementsByName("appiFrame")(0)


   If(doc Is Nothing) Then
      MsgBox("Element Not Detected")
   Else
      MsgBox("Detected")
      TextBox1.Text = IE.document.body.innerHTML
      MsgBox(doc)
   End If
End Sub
这里发生的事情是,iFrame现在被弹出的消息[ObjectHtmlFrameElement]检测到,但是innerHTML仍然只显示两个框架集,我被困在如何向前推进或挖掘元素的问题上。如果我能得到帮助,我会很感激的谢谢

PrivateSub CommandButton1_Click()
   Dim HTMLdoc As HTMLDocument
   Dim IE As InternetExplorerMedium

   Set doc = IE.document.frames.frames(1).document.getElementsByName("appiFrame")(0)


   If(doc Is Nothing) Then
      MsgBox("Element Not Detected")
   Else
      MsgBox("Detected")
      TextBox1.Text = IE.document.body.innerHTML
      MsgBox(doc)
   End If
End Sub