假设您在HTML表单中创建了一个向导。一个按钮后退,一个按钮前进。因为当您按Enter键时,返回按钮首先出现在标记中,它将使用该按钮提交表单。

例子:

< >形式 <!—将光标移至该字段,按“Enter”。—> <input type="text" name="field1" /> <!这是提交的按钮——> <input type="submit" name="prev" value="Previous Page" /> <!——但这是我想提交的按钮——> <input type="submit" name="next" value=" next Page" /> > < /形式

我想要确定当用户按Enter键时使用哪个按钮提交表单。这样,当您按下Enter键时,向导将移动到下一页,而不是上一页。你必须使用tabindex来做这个吗?


当前回答

<input type="submit" name="prev" value="Previous Page"> 
<input type="submit" name="prev" value="Next Page"> 

保持所有提交按钮的名称相同:“prev”。

唯一的区别是具有唯一值的value属性。在创建脚本时,这些惟一的值将帮助我们确定按下了哪个提交按钮。

并编写以下代码:

    btnID = ""
if Request.Form("prev") = "Previous Page" then
    btnID = "1"
else if Request.Form("prev") = "Next Page" then
    btnID = "2"
end if

其他回答

我用这种方法解决了一个非常相似的问题:

If JavaScript is enabled (in most cases nowadays) then all the submit buttons are "degraded" to buttons at page load via JavaScript (jQuery). Click events on the "degraded" button typed buttons are also handled via JavaScript. If JavaScript is not enabled then the form is served to the browser with multiple submit buttons. In this case hitting Enter on a textfield within the form will submit the form with the first button instead of the intended default, but at least the form is still usable: you can submit with both the prev and next buttons.

工作的例子:

<html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> </head> <body> <form action="http://httpbin.org/post" method="post"> If JavaScript is disabled, then you CAN submit the form with button1, button2 or button3. If you press enter on a text field, then the form is submitted with the first submit button. If JavaScript is enabled, then the submit typed buttons without the 'defaultSubmitButton' style are converted to button typed buttons. If you press Enter on a text field, then the form is submitted with the only submit button (the one with class defaultSubmitButton) If you click on any other button in the form, then the form is submitted with that button's value. <br /> <input type="text" name="text1" ></input> <button type="submit" name="action" value="button1" >button 1</button> <br /> <input type="text" name="text2" ></input> <button type="submit" name="action" value="button2" >button 2</button> <br /> <input type="text" name="text3" ></input> <button class="defaultSubmitButton" type="submit" name="action" value="button3" >default button</button> </form> <script> $(document).ready(function(){ /* Change submit typed buttons without the 'defaultSubmitButton' style to button typed buttons */ $('form button[type=submit]').not('.defaultSubmitButton').each(function(){ $(this).attr('type', 'button'); }); /* Clicking on button typed buttons results in: 1. Setting the form's submit button's value to the clicked button's value, 2. Clicking on the form's submit button */ $('form button[type=button]').click(function( event ){ var form = event.target.closest('form'); var submit = $("button[type='submit']",form).first(); submit.val(event.target.value); submit.click(); }); }); </script> </body> </html>

给你的提交按钮设置相同的名称,就像这样:

<input type="submit" name="submitButton" value="Previous Page" />
<input type="submit" name="submitButton" value="Next Page" />

当用户按下Enter并将请求发送到服务器时,您可以在服务器端代码中检查submitButton的值,该代码包含一组表单名称/值对。例如,在ASP Classic中:

If Request.Form("submitButton") = "Previous Page" Then
    ' Code for the previous page
ElseIf Request.Form("submitButton") = "Next Page" Then
    ' Code for the next page
End If

参考:在一个表单上使用多个提交按钮

我在试图找到基本相同的问题的答案时遇到了这个问题,只是用ASP。asp.net控件,当我发现ASP按钮有一个叫做UseSubmitBehavior的属性,它允许你设置哪一个进行提交。

<asp:Button runat="server" ID="SumbitButton" UseSubmitBehavior="False" Text="Submit" />

以防有人在找ASP。NET按钮的方式来做。

如果你真的只是想让它像安装对话框一样工作,只需要关注“Next”按钮OnLoad。

这样,如果用户点击Return,表单就会提交并继续。如果他们想返回,他们可以按Tab键或点击按钮。

在大多数浏览器中,无需JavaScript或CSS即可工作:

<form>
    <p><input type="text" name="field1" /></p>
    <p><a href="previous.html">
    <button type="button">Previous Page</button></a>
    <button type="submit">Next Page</button></p>
</form>

Firefox, Opera, Safari和谷歌Chrome浏览器都可以使用。一如既往,ie浏览器是问题所在。

当JavaScript被打开时,这个版本可以工作:

<form>
    <p><input type="text" name="field1" /></p>
    <p><a href="previous.html">
    <button type="button" onclick="window.location='previous.html'">Previous Page</button></a>
    <button type="submit">Next Page</button></p>
</form>

所以这个解决方案的缺陷是:

如果您使用关闭JavaScript的Internet Explorer,“上一页”将无法工作。

请注意,后退按钮仍然有效!