jQuery:如何获得哪个按钮被点击提交的表单?

我有一个.submit()事件设置表单提交。我在页面上也有多个表单，但对于这个示例，这里只有一个表单。我想知道哪个提交按钮在没有应用.click()事件的情况下被单击。

下面是设置:

<html>
<head>
  <title>jQuery research: forms</title>
  <script type='text/javascript' src='../jquery-1.5.2.min.js'></script>
  <script type='text/javascript' language='javascript'>
      $(document).ready(function(){
          $('form[name="testform"]').submit( function(event){ process_form_submission(event); } );
      });
      function process_form_submission( event ) {
          event.preventDefault();
          //var target = $(event.target);
          var me = event.currentTarget;
          var data = me.data.value;
          var which_button = '?';       // <-- this is what I want to know
          alert( 'data: ' + data + ', button: ' + which_button );
      }
  </script>
</head>
<body>
<h2>Here's my form:</h2>
<form action='nothing' method='post' name='testform'>
  <input type='hidden' name='data' value='blahdatayadda' />
  <input type='submit' name='name1' value='value1' />
  <input type='submit' name='name2' value='value2' />
</form>
</body>
</html>

jsfiddle的实例

除了在每个按钮上应用.click()事件外，有没有办法确定哪个提交按钮被单击了?

当前回答

如果你不添加.click事件的意思是你不想为这些事件使用单独的处理程序，你可以在一个函数中处理所有的单击(提交):

$(document).ready(function(){
  $('input[type="submit"]').click( function(event){ process_form_submission(event); } );
});

function process_form_submission( event ) {
  event.preventDefault();
  //var target = $(event.target);
  var input = $(event.currentTarget);
  var which_button = event.currentTarget.value;
  var data = input.parents("form")[0].data.value;
//  var which_button = '?';       // <-- this is what I want to know
  alert( 'data: ' + data + ', button: ' + which_button );
}

2011-04-19 19:54:45

其他回答

这是我使用的解决方案，效果非常好:

// prevent enter key on some elements to prevent to submit the form function stopRKey(evt) { evt = (evt) ? evt : ((event) ? event : null); var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null); var alloved_enter_on_type = ['textarea']; if ((evt.keyCode == 13) && ((node.id == "") || ($.inArray(node.type, alloved_enter_on_type) < 0))) { return false; } } $(document).ready(function() { document.onkeypress = stopRKey; // catch the id of submit button and store-it to the form $("form").each(function() { var that = $(this); // define context and reference /* for each of the submit-inputs - in each of the forms on the page - assign click and keypress event */ $("input:submit,button", that).bind("click keypress", function(e) { // store the id of the submit-input on it's enclosing form that.data("callerid", this.id); }); }); $("#form1").submit(function(e) { var origin_id = $(e.target).data("callerid"); alert(origin_id); e.preventDefault(); }); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> <form id="form1" name="form1" action="" method="post"> <input type="text" name="text1" /> <input type="submit" id="button1" value="Submit1" name="button1" /> <button type="submit" id="button2" name="button2"> Submit2 </button> <input type="submit" id="button3" value="Submit3" name="button3" /> </form>

2015-01-07 15:25:11

如果你不添加.click事件的意思是你不想为这些事件使用单独的处理程序，你可以在一个函数中处理所有的单击(提交):

$(document).ready(function(){
  $('input[type="submit"]').click( function(event){ process_form_submission(event); } );
});

function process_form_submission( event ) {
  event.preventDefault();
  //var target = $(event.target);
  var input = $(event.currentTarget);
  var which_button = event.currentTarget.value;
  var data = input.parents("form")[0].data.value;
//  var which_button = '?';       // <-- this is what I want to know
  alert( 'data: ' + data + ', button: ' + which_button );
}

2011-04-19 19:54:45

区分哪个<button>或<input type="button"…>是通过检查他们的'id'

$("button").click(function() {
  var id = $(this).attr('id');
  ... 
});

2017-08-16 22:01:16

我发现最好的解决办法是

$(document.activeElement).attr('id')

这不仅适用于输入，也适用于按钮标签。它还获得按钮的id。

2016-11-29 10:10:25

这对我来说很管用:

$("form").submit(function() {
   // Print the value of the button that was clicked
   console.log($(document.activeElement).val());
}

2015-02-24 13:05:31

jQuery:如何获得哪个按钮被点击提交的表单?

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