点击Href链接到vba

时间:2018-03-01 08:03:46

标签: javascript html vba web-scraping ie-automation

我正在尝试通过vba-excel为以下链接创建IEautomation。

网址:http://qpldocs.dla.mil/search/default.aspx

代码包括搜索字符串" QPL-631",然后单击相应的java脚本链接MIL-I-631D(6)。当我检查" MIL-I-631D (6)"链接,我发现以下href标签的源代码

<a href="javascript:__doPostBack('search_list$DG$ctl03$ctl00','')">MIL-I-631D(6)</a>

因此href链接没有点击选项,手动点击href链接的地址与href地址完全不同。所以我被困在这里。我想添加一个代码点击&#34; MIL-I-631D(6)&#34;并输出结果。

我已经尝试了以下代码,到目前为止无法继续进行。

Private Sub IE_Autiomation()

Dim i As Long

Dim IE As Object

Dim objElement As Object

Dim objCollection As Object

Dim ae As HTMLLinkElement

Set IE = CreateObject("InternetExplorer.Application")

IE.Visible = True
IE.navigate "http://qpldocs.dla.mil/search/default.aspx"
Application.StatusBar = "Loading. Please wait..."

Do While IE.Busy = True Or IE.readyState <> 4: DoEvents: Loop

Application.StatusBar = "Search form submission. Please wait..." IE.document.getElementById("Search_panel1_tbox").Value = "QPL-631" IE.document.getElementById("Search_panel1_btn").Click Do While IE.Busy = True Or IE.readyState <> 4: DoEvents: Loop

631 Link

2 个答案:

答案 0 :(得分:1)

以下是写入工作表的临时解决方案,因为您已经对产品代码“QPL-631”进行了硬编码,您可以直接使用URL字符串中的内容来返回结果。

注意:我从该页面中提取了表格ID:

html.getElementById("Lu_gov_DG")

您可能想要探索这是否是跨产品的共同主题(我怀疑是)。会让生活变得更轻松。你甚至可以完全取消IE,并寻求更快的XHR解决方案。

Option Explicit

Private Sub IE_Automation()

    'References Internet Controls and HTML Object library

    Dim i As Long
    Dim IE As Object
    Dim html As HTMLDocument

    Dim product As String
    product = "QPL-631"

    Dim url As String

    url = "http://qpldocs.dla.mil/search/parts.aspx?qpl=1528&param=" & product & "&type=256"

    Set IE = CreateObject("InternetExplorer.Application")

    With IE

        .Visible = True

        .navigate url                            '"http://qpldocs.dla.mil/search/default.aspx"

        Application.StatusBar = "Loading. Please wait..."

        Do While .Busy = True Or .readyState <> 4: DoEvents: Loop

        Set html = .Document

        Dim allRowOfData As Object

        Set allRowOfData = html.getElementById("Lu_gov_DG")

        Dim r As Long, c As Long

        Dim curHTMLRow As Object

        For r = 1 To allRowOfData.Rows.Length - 1

            Set curHTMLRow = allRowOfData.Rows(r)

            For c = 0 To curHTMLRow.Cells.Length - 1
                Cells(r + 1, c + 1) = curHTMLRow.Cells(c).innerText
            Next c

        Next r

        .Quit

    End With

    Application.StatusBar = False 'And tidy up our change to the status bar

End Sub

有回发here的例子,我将会看一下。

参考:

  1. How to reset the Application.StatusBar

答案 1 :(得分:0)

您有几种选择。请参阅下面的相关综合清单。

尝试获取锚标记的集合,其中包含:

GetElementsByTagName("a")

然后,使用尽可能多的逻辑迭代该集合,以确保您单击右键。

对于ie.document.getElementsByTagName(“a”)中的每个l

If l.ClassName = "hqt_button" Then
    l.Click
    Exit For
Next

如果有多个具有相同类名的锚,您可以这样做:

If l.ClassName = "hqt_button" AND l.Href = ""javascript:void(0): onclick=HeaderBox.trySubmit()" Then
    l.Click
    Exit For
Next

可选地

如果您使用的是IE9 +,则可以使用GetElementsByClassName方法。

GetElementsByClassName("hqt_button") 

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