[英]VBA Macro that scrapes HTML pulls some wrong elements
我在刮一些HTML
時遇到問題。
這是我的macro
在其中抓取的URL ,下面是代碼摘錄:
Set els = IE.Document.getelementsbytagname("a")
For Each el In els
If Trim(el.innertext) = "Documents" Then
colDocLinks.Add el.href
End If
Next el
如您所見,如果您打開該URL
則會遇到搜索結果; 那么宏查找所有links
在搜索表,並把它們放在一個Collection
命名colDocLinks
但是,搜索結果在他們的表中有我要包括的10-Q
文檔,但它們也有不同種類的動物,我不想像10-Q/A
文檔一樣包括...
我如何修改循環,使其明確地 僅增加了 10-Q的什么也沒有重視他們的集合中,而不是像其他10-Q / A的?
Public WithEvents objIE As InternetExplorer
Sub LaunchIE()
Set objIE = New InternetExplorer
objIE.Visible = True
objIE.Navigate "http://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=icld&type=10-Q%20&dateb=&owner=exclude&count=20"
End Sub
Private Sub objIE_DocumentComplete(ByVal pDisp As Object, URL As Variant)
Dim localIE As InternetExplorer
Set localIE = pDisp
Dim doc As MSHTML.IHTMLDocument3
Set doc = localIE.Document
Dim tdElements As MSHTML.IHTMLElementCollection
Dim td As MSHTML.IHTMLElement
Set tdElements = doc.getElementsByTagName("td")
For Each td In tdElements
If td.innerText = "10-Q" Then
Dim tr As MSHTML.IHTMLElement
Set tr = td.parentElement
Dim childrenElements As MSHTML.IHTMLElementCollection
Dim child As MSHTML.IHTMLElement
Set childrenElements = tr.Children
For Each child In childrenElements
If child.innerText = " Documents" Then
'Handle found element
End If
Next
End If
Next
End Sub
我將使用正則表達式來查找和提取我正在尋找的確切鏈接。 像這樣:
Dim RegEx As RegExp
Set RegEx = New RegExp
Dim match As match
With RegEx
.IgnoreCase = True
.Global = True
.MultiLine = True
End With
RegEx.Pattern = "<td nowrap="nowrap">10-Q</td>.+?<a href=""(.+?)\.htm"">"
For Each match In RegEx.Execute(Selection)
colDocLinks.Add match
Next
我沒有測試上面的正則表達式,因此可能需要一些調整。 您需要包括對Microsoft VBScript正則表達式5.5的引用才能起作用。
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