Excel uired“因此我更改为myHTMLFrame2.Links.dispatchEvent onChange‘线上错误’对象不支持此属性或方法”此行myHTMLFrame2.querySelector（“[value='New User（s）]”）。Sele

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uired“因此我更改为myHTMLFrame2.Links.dispatchEvent onChange‘线上错误’对象不支持此属性或方法”此行myHTMLFrame2.querySelector（“[value='New User（s）]”）。Selected=True正在生成错误？Set onChange=myHTMLFrame2.document.createEvent（“htmlevents”）“文档结果错误”对象不支持此属性或方法“已删除文档，则无错误集onChange=myHTMLFrame2.CreateEvents（“htmlevents”）Links.dispatchEvent onChange'error”需要对象“因此我更改为myHTMLFrame2.Links.dispatchEvent onChange'Over line error”对象不支持此属性或方法“谢谢，但什么也没发生myHTMLFrame2.getElementById（“QSGAA5V0GAFRWAOL34D8OK78W2ZUJO”）.Value=“新用户”我建议您首先检查HTML文档的对象是否已正确分配，它是否引用了正确的页面。之后，您可以尝试在document中查找元素。谢谢，但myHTMLFrame2.getElementById（“QSGAA5V0GAFRWAOL34D8OK78W2ZUJO”）.Value=“新用户”我建议您首先检查HTML文档的对象是否已正确分配，并且它引用了正确的页面。之后，您可以尝试在文档中查找元素。

 myHTMLFrame2.all.Item("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO").Focus
    myHTMLFrame2.all.Item("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO").selectedIndex = 1
    myHTMLFrame2.all.Item("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO").FireEvent "onchange"

Dim myHTMLFrame2 As HTMLDocument
    Set myHTMLFrame2 = HTMLDoc.frames(3).document
    Dim elem As Object

    Set elem = myHTMLFrame2.document.getElementById("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO")
(results in "object not supported error")
    elem.Focus
    elem.selectedIndex = 2

<div id="QSGAA5V0GAFRWAOL34D8OK78W2ZUJO-answer-body">
                    <div class="select_holder select_jquery">
                        <select id="QSGAA5V0GAFRWAOL34D8OK78W2ZUJO" overwrite="1" level="0"
                            val="$escapeTool.html($!{answerValue})" required="true" questionid="QSGAA5V0GAFRWAOL34D8OK78W2ZUJO" totalorder="0" questiondefid="QDGAA5V0GAFRWAOL34D8OK78W2ZUJP"
                            responsetype="STATIC_MENU" autocomplete="off"
                            aria-activedescendant="" aria-labelledby="QSGAA5V0GAFRWAOL34D8OK78W2ZUJO-label" tabindex="0">
                            <option value=""></option>
                            <option value="New User(s)" ps="0" aria-selected="false">New User(s)</option>
                            <option value="Modify User Details or Applications" ps="1" aria-selected="false">Modify User Details or Applications</option>
                            <option value="Add/Modify User By Attachment" ps="2" aria-selected="false">Add/Modify User By Attachment</option>
                            <option value="clear">(clear)</option>
                        </select>
                    </div>
                </div>

Dim dropDown As Object, onChange As Object
Set dropDown = ie.document.querySelector("select[overwrite='1']")
Set onChange = ie.document.createEvent("htmlevents")
onChange.initEvent "change", True, False
ie.document.querySelector("[value='New User(s)']").Selected = True
links.dispatchEvent onChange

     Sub demo()

            Dim URL As String
            Dim IE As Object

            Set IE = CreateObject("InternetExplorer.Application")

            IE.Visible = True

            URL = "C:\Users\Administrator\Desktop\107.html"

            IE.Navigate URL

            Do While IE.ReadyState = 4: DoEvents: Loop   'Do While
            Do Until IE.ReadyState = 4: DoEvents: Loop   'Do Until

             IE.Document.GetElementByID("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO").Value = "Modify User Details or Applications"

            Set IE = Nothing  


End Sub

myHTMLFrame2.all.Item("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO_input").Focus
myHTMLFrame2.all.Item("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO_input").Value = "New User(s)"
myHTMLFrame2.all.Item("QSGAA5V0GAFRWAOL34D8OK78W2ZUJO_input").Click
Application.SendKeys "{DOWN}"
Application.SendKeys "{DOWN}"
Application.SendKeys "~"