在哪里可以找到用于使用 Internet Explorer 的 VBA 函数

Question

我正在研究一个VBA函数来转到网页，找到一个HTML元素，并显示其内容。这是我到目前为止所拥有的。

Function WebTableToSheet(webpage As String, tag As String, count As Integer) As String

  'Tested using IE7,  Excel 2000 SP1, and Windows XP
  Dim objIE As Object
  Dim varTables, varTable, document
  Dim allTags, tags
  Dim varRows, varRow
  Dim varCells, varCell
  Dim lngRow As Long, lngColumn As Long
  Dim strBuffer As String
  Set objIE = CreateObject("InternetExplorer.Application")
 'Setup
  With objIE
    .AddressBar = False
    .StatusBar = False
    .MenuBar = False
    .Toolbar = 0
    .Visible = True
    .Navigate webpage
  End With
  'Load webpage
  While objIE.Busy
  Wend
  While objIE.document.ReadyState <> "complete"
  Wend

  varTable = objIE.document.All
  allTags = objIE.document.All.tags(tag)
  WebTableToSheet = allTags.Item(count)
  Debug.Print "Testing function"


Cleanup:
    Set varCell = Nothing: Set varCells = Nothing
    Set varRow = Nothing: Set varRows = Nothing
    Set varTable = Nothing: Set varTables = Nothing
    objIE.Quit
    Set objIE = Nothing
End Function

我能够打开InternetExplorer，到达函数中指定的网页，但是当我尝试搜索特定标签时，它似乎失败了。我在搜索 VBA Internet Explorer 文档时遇到困难Microsoft并且知道哪些变量和方法可用于此任务？

Answer 1

我建议设置对shdocvw.dll和Microsoft HTML对象库的引用。在XP shdocvw中.dll在你的system32文件夹中，HTML对象库应该在你的引用列表中。我目前只能访问XP，所以你必须搜索你正在使用的任何其他Windows版本。然后在代码中执行以下操作：

Dim IE as SHDocVw.InternetExplorer
Dim doc as HTMLDocument
Dim el as IHTMLElement
Set IE = new SHDocVw.InternetExplorer
With IE
  .navigate "some.webpage.com"
  .visible = true
End With
Do
  'Nothing
Loop Until IE.readyState = READYSTATE_COMPLETE ' = 4
Set doc = IE.Document
Set el = doc.getElementById("someElementId")
If Not el Is Nothing Then
  MsgBox el.innerText
End If

Answer 2

团队，IE网页完全加载检查使用以下提到的代码

Application.Wait (Now + TimeValue("0:00:1"))
Do Until IE.Busy = False
   DoEvents
Loop

Answer 3

ieApp.Navigate "Https://duckduckgo.com/"
'Wait for Internet Explorer to finish loading
Do While ieApp.Busy: DoEvents: Loop
Do While ieApp.Busy And Not ieApp.ReadyState = READYSTATE_COMPLETE: DoEvents: Loop
ieApp.Document.getelementbyid("search_form_input_homepage").Value = "Gajendra Santosh"
ieApp.Document.getelementbyid("search_button_homepage").Click