在我的案例中，这个jQuery JavaScript解决了这个问题

jQuery(function() {
            jQuery("form.myform").submit(function(event) {
               event.preventDefault();
               return false;
            });
}

为了防止在文本区域或输入字段中按enter键时提交表单，请检查submit事件以查找发送该事件的元素类型。

示例1

HTML

<button type="submit" form="my-form">Submit</button>
<form id="my-form">
...
</form>

jQuery

$(document).on('submit', 'form', function(e) {
    if (e.delegateTarget.activeElement.type!=="submit") {
        e.preventDefault();
    }
});

更好的解决方案是，如果没有提交按钮，而使用普通按钮触发事件。这是因为在第一个示例中触发了2个提交事件，而在第二个示例中只触发了1个提交事件。

示例2

HTML

<button type="button" onclick="$('#my-form').submit();">Submit</button>
<form id="my-form">
...
</form>

jQuery

$(document).on('submit', 'form', function(e) {
    if (e.delegateTarget.activeElement.localName!=="button") {
        e.preventDefault();
    }
});

我认为，你可以在javascript的表单中捕获键下，防止冒泡。网页上的ENTER基本上只是提交当前所选控件所在的表单。

//Turn off submit on "Enter" key

$("form").bind("keypress", function (e) {
    if (e.keyCode == 13) {
        $("#btnSearch").attr('value');
        //add more buttons here
        return false;
    }
});

I Have come across this myself because I have multiple submit buttons with different 'name' values, so that when submitted they do different things on the same php file. The enter / return button breaks this as those values aren't submitted. So I was thinking, does the enter / return button activate the first submit button in the form? That way you could have a 'vanilla' submit button that is either hidden or has a 'name' value that returns the executing php file back to the page with the form in it. Or else a default (hidden) 'name' value that the keypress activates, and the submit buttons overwrite with their own 'name' values. Just a thought.

简单地添加这个属性到你的FORM标签:

onsubmit="return gbCanSubmit;"

然后，在你的SCRIPT标签中，添加这个:

var gbCanSubmit = false;

然后，当你创建一个按钮或出于任何其他原因(比如在函数中)你最终允许提交时，只需翻转全局布尔值并执行.submit()调用，类似于下面的示例:

function submitClick(){

  // error handler code goes here and return false if bad data

  // okay, proceed...
  gbCanSubmit = true;
  $('#myform').submit(); // jQuery example

}