[英]VBA post request error - multipart/form-data
I am trying to make a POST request on a website in order to upload an Excel file. 我正在尝试在网站上发出POST请求,以上传Excel文件。 When I do it manually (manually browsing a file in a file input html element) and capture the network traffic, the following message appears on fiddler:
当我手动执行此操作(手动浏览文件输入html元素中的文件)并捕获网络流量时,fiddler上将显示以下消息:
Host: electool.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0
Accept: */*
Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate, br
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------8432274816859
Content-Length: 35577
DNT: 1
Connection: keep-alive
Referer: https://electool.com/sourcingtool/pageflowViews/tender_view/action.html?pageflow=tender_view:-2
Cookie: JSESSIONID=87C7F4550EFBDF7A8D6F94C2D021CBB5; electool_sso=5A7A319313EA0EF4
-----------------------------8432274816859
Content-Disposition: form-data; name="qId"
1
-----------------------------8432274816859
Content-Disposition: form-data; name="attachment_1"; filename="A_aFRR negatív_QWERTY00_W38.xlsx"
Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
..."
I'd like to do the same with excel vba (selecting the file and posting the same message in order to upload the excel file) 我想对excel vba进行同样的操作(选择文件并发布相同的消息,以便上传excel文件)
The code I have now: 我现在拥有的代码:
For i = 1 To ie.Manage.Cookies.Count
myCookie = myCookie & ie.Manage.Cookies.Item(i).Name & "=" & ie.Manage.Cookies.Item(i).Value & "; "
Next
myCookie = Left(myCookie, Len(myCookie) - 2)
Dim strBoundary As String
strBoundary = "-----------------------------501911906621"
myURL2 = "https://electool.com/sourcingtool/participant/ajaxSaveAttachment.htm"
sPayLoad = strBoundary & vbNewLine & _
"Content-Disposition: form-data; name=""qId""" & vbNewLine & vbNewLine & _
"1" & vbNewLine & strBoundary & vbNewLine & _
"Content-Disposition: form-data; name=""attachment_1"";filename=""E_W_37_negativ.xlsx""" & _
vbNewLine & "Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" & _
vbNewLine & vbNewLine
sPayLoad = sPayLoad & GetFile(myFile) & strBoundary
With CreateObject("Msxml2.ServerXMLHTTP.6.0")
.Open "POST", myURL2, False
.setRequestHeader "Content-Type", "multipart/form-data; boundary=" & strBoundary
.setRequestHeader "Content-Length", LenB(sPayLoad)
.setRequestHeader "Host", "electool.com"
.setRequestHeader "Cookie", myCookie
.setRequestHeader "Referer", ie.url
.send (sPayLoad)
Debug.Print .responseText
End With
End Sub
Function GetFile(ByVal FileName As String) As String
Dim FileContents() As Byte, FileNumber As Integer
ReDim FileContents(FileLen(FileName) - 1)
FileNumber = FreeFile()
Open FileName For Binary As FileNumber
Get FileNumber, , FileContents
Close (FileNumber)
GetFile = StrConv(FileContents, vbUnicode)
End Function
The response I get is this: ng failed; nested exception is com.electool.sourcing.framework.util.request.exception.RequestParameterNotPresentException: Not found parameter: [qId] in request!
我得到的响应是:
ng failed; nested exception is com.electool.sourcing.framework.util.request.exception.RequestParameterNotPresentException: Not found parameter: [qId] in request!
ng failed; nested exception is com.electool.sourcing.framework.util.request.exception.RequestParameterNotPresentException: Not found parameter: [qId] in request!
I also tried what I have found on this link, but still not working (or I am not implementing it well in VBA) https://wqweto.wordpress.com/2011/07/12/vb6-using-wininet-to-post-binary-file/ 我也尝试了在此链接上找到的内容,但是仍然无法正常工作(或者我在VBA中无法很好地实现它) https://wqweto.wordpress.com/2011/07/12/vb6-using-wininet-to-后二进制文件/
I managed to make this work, useig the concept from the link below (there were also issues with the boundaries). 我设法通过下面链接中的概念来完成这项工作(边界也存在问题)。 File updload in post form in VBS
在VBS中以帖子形式上传文件
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