无法在ServerXMLHTTP请求中设置自定义超时

问题描述 投票:1回答:1

我在vba中编写了一个脚本,在发出代理请求后从网站上删除了第一篇文章。我在我的vba脚本中发出http请求时使用了代理(代理列表),以查看总帖子的长度。成功发送请求后,脚本应解析第一个帖子和正在使用的代理并退出循环。

有时脚本以正确的方式工作,但是大多数情况下脚本需要很长时间才能完成操作,即使我在发送请求之前已经定义了timeout。在这一点上,我非常怀疑我是否能以正确的方式填写timeout参数。我期望的是脚本会等到那个时间进行任何响应,否则会抛出timeout错误并转到下一个请求。

我到目前为止写的:

Sub HandleTimeOut()
    Dim Http As New ServerXMLHTTP60, Html As New HTMLDocument
    Dim elem As Object, proxyList As Variant, oProxy As Variant

    proxyList = [{"50.246.120.125:8080","198.204.253.115:3128","98.172.142.99:8080","207.188.231.141:8080"}]

    For Each oProxy In proxyList
        With Http
            .Open "GET", "https://stackoverflow.com/questions/tagged/web-scraping", True
            .setRequestHeader "User-Agent", "Mozilla/5.0"
            .setProxy 2, oProxy
            .setTimeouts 600000, 600000, 15000, 15000
            On Error Resume Next
            .send
            While .readyState < 4: DoEvents: Wend
            Html.body.innerHTML = .responseText
            Set elem = Html.querySelectorAll(".summary .question-hyperlink")
            On Error GoTo 0
        End With

        If elem.Length > 0 Then
            [A1] = oProxy
            [B1] = elem(0).innerText
            Exit For
        End If
    Next oProxy
End Sub

timeout设置为5秒的正确方法是什么?

vba web-scraping proxy timeout serverxmlhttp
1个回答
1
投票
.Open "GET", "https://stackoverflow.com/questions/tagged/web-scraping", True

应该

.Open "GET", "https://stackoverflow.com/questions/tagged/web-scraping", False

how to set http timeout using asp?

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