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

对于bootstrap3版本，只需在document ready上使用以下代码:

$(document).ready(function(){
    $.fn.modal.Constructor.prototype.enforceFocus = function () {};
});

2017-06-17 05:42:32

其他回答

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-close-mask{
    z-index: 2099;
}
.select2-dropdown{
    z-index: 3051;
}

这是我使用select2 4.0.0的解决方案。只需要覆盖select2.css导入下面的css。请确保z指数大于对话框或模态。我只是在默认值上加了2000。因为我的对话框的z-index是1000。

2015-05-06 08:25:27

在我的情况下，我这样做，它工作。我使用bundle来加载它，在这种情况下，它为我工作

 $(document).on('select2:select', '#Id_Producto', function (evt) {
   // Here your code...
  });

2019-03-13 11:54:52

我在github上找到了select2的解决方案

https://github.com/ivaynberg/select2/issues/1436

对于bootstrap 3，解决方案是:

$.fn.modal.Constructor.prototype.enforceFocus = function() {};

Bootstrap 4重命名了enforceFocus方法为_enforceFocus，所以你需要修补它:

$.fn.modal.Constructor.prototype._enforceFocus = function() {};

从以上链接复制的解释:

Bootstrap向focusin事件注册了一个监听器，它检查被聚焦的元素是覆盖本身还是它的后代——如果不是，它只是重新聚焦在覆盖上。随着select2下拉框被附加到正文，这有效地防止你在文本框中输入任何东西。您可以通过覆盖在模态上注册事件的enforceFocus函数来快速修复这个问题

2013-10-24 18:46:18

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

Select2在嵌入自举模式时不起作用

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