Select2在嵌入自举模式时不起作用

当我在引导模式中使用select2 (input)时，我不能输入任何东西。就像残疾?在modal之外select2工作正常。

工作示例:http://jsfiddle.net/byJy8/1/ 代码:

<!-- Modal -->
<div id="myModal" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
        <h3 id="myModalLabel">Panel</h3>
    </div>
    <div class="modal-body" style="max-height: 800px">          
      <form class="form-horizontal">
        <!-- Text input-->
        <div class="control-group">
            <label class="control-label" for="vdn_number">Numer</label>
            <div class="controls">
                <!-- seleect2 -->
                <input name="vdn_number" type="hidden" id="vdn_number"  class="input-large" required=""  />
            </div>
        </div>
      </form>    
    </div>
    <div class="modal-footer">
        <button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
        <button class="btn btn-primary">Save changes</button>
    </div>
</div>

$("#vdn_number").select2({
    placeholder: "00000",
    minimumInputLength: 2,
    ajax: {
        url: "getAjaxData/",
        dataType: 'json',
        type: "POST",
        data: function (term, page) {
            return {
                q: term, // search term
                col: 'vdn'
            };
        },
        results: function (data) { // parse the results into the format expected by Select2.
            // since we are using custom formatting functions we do not need to alter remote JSON data
            return {results: data};
        }
    }
});

答案:

在这里你可以找到一个快速的解决方法

这里是“正确的方法”:Select2在嵌入引导模式时不起作用

当前回答

我在一个应用程序中遇到了一个半相关的问题，所以我将输入我的2c。

我有多个形态的形式包含select2小部件。打开模态A，然后打开模态A中的另一个模态，将导致模态B中的select2小部件消失，无法初始化。

这些模式都是通过ajax加载表单的。

解决方案是在关闭模态时从dom中删除表单。

$(document).on('hidden.bs.modal', '.modal', function(e) {
    // make sure we don't leave any select2 widgets around 
    $(this).find('.my-form').remove();
});

2018-12-02 20:59:24

其他回答

好的，我把它弄好了。

改变

<div id="myModal" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
        <h3 id="myModalLabel">Panel</h3>
    </div>
    <div class="modal-body" style="max-height: 800px">

<div id="myModal" class="modal hide fade" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
        <h3 id="myModalLabel">Panel</h3>
    </div>
    <div class="modal-body" style="max-height: 800px">

（从模态中删除 tabindex=“-1”）

2013-08-28 12:07:07

我以前遇到过这个问题，我用yii2解决了它

$.fn.modal.Constructor.prototype.enforceFocus = $.noop;

2017-05-16 16:11:53

为了更好地理解tabindex元素是如何工作的，完成公认的回答:

The tabindex global attribute is an integer indicating if the element can take input focus (is focusable), if it should participate to sequential keyboard navigation, and if so, at what position. It can take several values: -a negative value means that the element should be focusable, but should not be reachable via sequential keyboard navigation; -0 means that the element should be focusable and reachable via sequential keyboard navigation, but its relative order is defined by the platform convention; -a positive value means should be focusable and reachable via sequential keyboard navigation; its relative order is defined by the value of the attribute: the sequential follow the increasing number of the tabindex. If several elements share the same tabindex, their relative order follows their relative position in the document.

来自:Mozilla开发人员网络

2016-06-05 18:05:44

这个问题解决了工作为我单一Jquery函数

$('#myModal .select2').each(function() {  
   var $p = $(this).parent(); 
   $(this).select2({  
     dropdownParent: $p  
   });  
});

2018-10-09 05:50:13

在这里找到了对我有用的答案:https://github.com/select2/select2-bootstrap-theme/issues/41

$('select').select2({
    dropdownParent: $('#my_amazing_modal')
});

也不需要删除tabindex。

2017-11-29 14:53:30

Select2在嵌入自举模式时不起作用

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