blocks|key|1046896|text|当winhttp响应出现时，我试图让一些代码执行(在HTA文件中使用VBScript+)。您可以考虑将事件代码放在发送之后。使用以下代码，用户界面在等待响应时不会挂起：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1046897|Set+objHTTP+=+CreateObject("WinHttp.WinHttpRequest.5.1")
objHTTP.Open+"GET",+"http://www.google.com",+True
objHTTP.Send
objHTTP.WaitForResponse+'pauses+execution,+but+does+not+hang+UI
'from+now+on,+execution+only+takes+effect+after+completion+of+the+response:
msgbox+objHTTP.responseText+'an+example+of+what+can+be+done+with+the+response|code-block|syntax|javascript|1046898|这似乎与脚本文件的同步winhttp相同，这可能是您要寻找的。因此，在使用用户界面时，可能会注意到唯一的区别。|1046899|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I was trying to get some code executed when the winhttp response comes (using VBScript inside HTA file). You may consider putting your event code right after the send. Using the following code, the user interface does not hang when waiting for the response:

<pre><code>Set objHTTP = CreateObject("WinHttp.WinHttpRequest.5.1")
objHTTP.Open "GET", "http://www.google.com", True
objHTTP.Send
objHTTP.WaitForResponse 'pauses execution, but does not hang UI
'from now on, execution only takes effect after completion of the response:
msgbox objHTTP.responseText 'an example of what can be done with the response
</code></pre>

This seems to be the same as synchronous winhttp for script files, which can be what you are looking for. So, the only difference may be noticed when using an user interface.

blocks|key|2603039|text|将调用Open方法的第三个参数更改为false。然后在调用发送后将代码放在OnResponseFinished中。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2603040|entityMap^0|3|4|I|5|11|I|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|O|8|@]|D|@]|E|$]]]|G|$]]

Change the third paramater in the call to the <code>Open</code> method to <code>false</code>. Then place the code you would have in <code>OnResponseFinished</code> after the call to send.

blocks|key|2603042|text|使用WScript的CreateObject，而不是内置的事件处理程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2603043|Set+oHTTP+=+WScript.CreateObject(
++++"WinHttp.WinHttpRequest.5.1",
++++"oHTTP_"
)|code-block|syntax|javascript|2603044|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Use WScript's CreateObject not the built in one for event handler.

<pre><code>Set oHTTP = WScript.CreateObject(
 "WinHttp.WinHttpRequest.5.1",
 "oHTTP_"
)
</code></pre>

blocks|key|2603023|text|我承认他的答案并不好，但通常注册VBScript事件的方法是使用GetRef函数获取对事件处理程序的引用，例如使用MSXML2.XMLHTTP对象：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2603024|Set+oHTTP+=+CreateObject("MSXML2.XMLHTTP")
oHTTP.Open+"GET",+"http://www.google.com",+True

oHTTP.OnReadyStateChange+=+GetRef("oHTTP_OnReadyStateChange")

Sub+oHTTP_OnReadyStateChange
++++'+do+something
End+sub

oHTTP.Send|code-block|syntax|javascript|2603025|问题是，我试过你的代码|2603026|Set+oHTTP+=+CreateObject("WinHttp.WinHttpRequest.5.1")
oHTTP.Open+"GET",+"http://www.google.com",+True

oHTTP.OnResponseFinished+=+GetRef("oHTTP_OnResponseFinished")

Sub+oHTTP_OnResponseFinished
++++'+do+something
End+sub

oHTTP.Send|2603027|它不起作用，得到了错误|2603028|对象不支持此属性或方法：“oHTTP.OnResponseFinished”|blockquote|2603029|但是也许这可以给您一个起点，或者您可以使用MSXML2库来代替？|2603030|只需使用处理COM事件的另一种方式更新这个答案--为CreateObject函数使用第二个参数，它允许您指定函数前缀，它将函数连接到对象，例如|2603031|Set+oHTTP+=+CreateObject("WinHttp.WinHttpRequest.5.1",+"oHTTP_")
oHTTP.Open+"GET",+"http://www.google.com",+True

Sub+oHTTP_OnResponseFinished
++++'+do+something
End+sub

oHTTP.Send|2603032|不幸的是，这也不起作用--一定是IWinHttpRequestEvents接口无法访问|2603033|entityMap^0|W|6|1L|E|0|0|0|0|0|0|L|6|0|Q|C|0|0|G|L|0^^$0|@$1|2|3|4|5|6|7|13|8|@$9|14|A|15|B|C]|$9|16|A|17|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|18|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|19|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|1A|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|1B|8|@]|D|@]|E|$]]|$1|Q|3|R|5|S|7|1C|8|@]|D|@]|E|$]]|$1|T|3|U|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|V|3|W|5|6|7|1G|8|@$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|X|3|Y|5|H|7|1J|8|@]|D|@]|E|$I|J]]|$1|Z|3|10|5|6|7|1K|8|@$9|1L|A|1M|B|C]]|D|@]|E|$]]|$1|11|3|-4|5|6|7|1N|8|@]|D|@]|E|$]]]|12|$]]

I'll admit his isn't a great answer, but the usual way to register VBScript events is to use the <code>GetRef</code> function to get a reference to the event handler, eg with an <code>MSXML2.XMLHTTP</code> object:

<pre><code>Set oHTTP = CreateObject("MSXML2.XMLHTTP")
oHTTP.Open "GET", "http://www.google.com", True

oHTTP.OnReadyStateChange = GetRef("oHTTP_OnReadyStateChange")

Sub oHTTP_OnReadyStateChange
 ' do something
End sub

oHTTP.Send
</code></pre>

The trouble is, I tried it for your code, ie

<pre><code>Set oHTTP = CreateObject("WinHttp.WinHttpRequest.5.1")
oHTTP.Open "GET", "http://www.google.com", True

oHTTP.OnResponseFinished = GetRef("oHTTP_OnResponseFinished")

Sub oHTTP_OnResponseFinished
 ' do something
End sub

oHTTP.Send
</code></pre>

and it didn't work, getting the error

<blockquote>
 Object doesn't support this property or method: 'oHTTP.OnResponseFinished'
</blockquote>

but perhaps this can give you a starting point , or maybe you can use the <code>MSXML2</code> library instead?

Just updating this answer with the other way of handling COM events - use the second parameter for the <code>CreateObject</code> function which allows you to specify the function prefix which connects functions to objects, eg

<pre><code>Set oHTTP = CreateObject("WinHttp.WinHttpRequest.5.1", "oHTTP_")
oHTTP.Open "GET", "http://www.google.com", True

Sub oHTTP_OnResponseFinished
 ' do something
End sub

oHTTP.Send
</code></pre>

unfortunately, this doesn't work either - it must be that the <code>IWinHttpRequestEvents</code> interface is inaccessible

blocks|key|1046814|text|我检查了Windows注册表，似乎有许多Microsoft对象做了几乎相同的事情：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1046815|Microsoft.XMLHTTP+{ED8C108E-4349-11D2-91A4-00C04F7969E8}
MSXML2.XMLHTTP+{F6D90F16-9C73-11D3-B32E-00C04F990BB4}
WinHttp.WinHttpRequest.5.1+{2087c2f4-2cef-4953-a8ab-66779b670495}
MSXML2.ServerXMLHTTP+{AFBA6B42-5692-48EA-8141-DC517DCF0EF1}|code-block|syntax|javascript|1046816|对我有用的是Microsoft.ServerXMLHTTP，它允许在VBScript中设置onreadystatechange。"MSXML2.ServerXMLHTTP“处理重定向网站(例如google.com)，这使得它比"Microsoft.XMLHTTP”更好的选择。|1046817|Dim+xmlhttp+'+global+so+can+be+accessed+in+OnStateChange

Sub+OnStateChange
++++If+xmlhttp.readystate+=+4+Then
++++++++'+React+to+xmlhttp.responseText
++++++++MsgBox+xmlhttp.responseText
++++End+If
End+Sub

Set+xmlhttp+=+CreateObject("Microsoft.XMLHTTP")
xmlhttp.open+"GET",+"http://www.google.com/",+true
xmlhttp.onreadystatechange+=+GetRef("OnStateChange")
xmlhttp.send
'+do+something+else+whilst+xmlhttp+is+running+in+the+background
MsgBox+"Pausing+so+that+OnStateChange+can+fire!"|1046818|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

I checked the Windows Registry and there appears to be a number of Microsoft objects that do nearly the same thing:

<pre><code>Microsoft.XMLHTTP {ED8C108E-4349-11D2-91A4-00C04F7969E8}
MSXML2.XMLHTTP {F6D90F16-9C73-11D3-B32E-00C04F990BB4}
WinHttp.WinHttpRequest.5.1 {2087c2f4-2cef-4953-a8ab-66779b670495}
MSXML2.ServerXMLHTTP {AFBA6B42-5692-48EA-8141-DC517DCF0EF1}
</code></pre>

What works for me is Microsoft.ServerXMLHTTP which allows setting of the onreadystatechange in VBScript. The "MSXML2.ServerXMLHTTP" handles redirecting websites (e.g. google.com) which makes it a better choice over "Microsoft.XMLHTTP".

<pre><code>Dim xmlhttp ' global so can be accessed in OnStateChange

Sub OnStateChange
 If xmlhttp.readystate = 4 Then
 ' React to xmlhttp.responseText
 MsgBox xmlhttp.responseText
 End If
End Sub

Set xmlhttp = CreateObject("Microsoft.XMLHTTP")
xmlhttp.open "GET", "http://www.google.com/", true
xmlhttp.onreadystatechange = GetRef("OnStateChange")
xmlhttp.send
' do something else whilst xmlhttp is running in the background
MsgBox "Pausing so that OnStateChange can fire!"
</code></pre>

blocks|key|2603058|text|根据这+(转到备注)，这似乎是可能的，您只能使用Err访问错误状态。微软的文档很糟糕。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2603059|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/aa384106%2528v=vs.85%2529^0|O|3|2|1|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@$9|Q|A|R|1|S]]|E|$]]|$1|F|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

It does need seem to be possible according to <a href="http://msdn.microsoft.com/en-us/library/aa384106%28v=vs.85%29" rel="nofollow">this</a> (go to remarks) you can only access the error state with <code>Err</code>. Microsoft's documentation is lousy.

blocks|key|2244155|text|我发现，我可以通过将超时方法的“waitForResponse”和参数'0‘作为标志来异步工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2244156|IE：|2244157|+oHTTP.Open+"GET",+"http://www.google.com",+True
+oHTTP.Send

+Do+While+oHTTP.waitForResponse(0)+=+False
+++'do+stuff+while+waiting+for+it+to+be+done

++++WScript.Sleep+200+'sleep+for+0.2+seconds+between+checks+as+not+waste+CPU+
++++DoEvents
+Loop

+'Once+the+loop+is+exited,+the+response+is+finished
+MsgBox+oHTTP.ResponseText|code-block|syntax|javascript|2244158|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I found that I can get this to work Asynchronously by using the 'waitForResponse' with parameter '0' for the timeout method as a flag. 

IE:

<pre><code> oHTTP.Open "GET", "http://www.google.com", True
 oHTTP.Send

 Do While oHTTP.waitForResponse(0) = False
 'do stuff while waiting for it to be done

 WScript.Sleep 200 'sleep for 0.2 seconds between checks as not waste CPU 
 DoEvents
 Loop

 'Once the loop is exited, the response is finished
 MsgBox oHTTP.ResponseText
</code></pre>

A program I use runs .VBS scripts

So, in VBScript how can you handle the OnResponseFinished event for a WinHttpRequest object?

<pre><code>Set oHTTP = CreateObject("WinHttp.WinHttpRequest.5.1")
oHTTP.Open "GET", "http://www.google.com", True
oHTTP.Send
</code></pre>

Handle Events from WinHttpRequest

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我使用的程序运行.VBS脚本那么，在OnResponseFinished VBScript中，如何处理WinHttpRequest对象的事件呢？Set oHTTP = CreateObject("WinHttp.WinHttpRequest.5.1")oHTTP.Open "GET", "http://www.google.com", TrueoHTTP.Send

问处理来自WinHttpRequest的事件
EN

回答 7

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