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javascript - 单击时在 Select2 多选上指定边框颜色

问题描述

我想更改select2单击时的边框颜色（onfocus）。

我试过这样做，但它改变了选择的边框颜色，如下所示。如何指定边框颜色？

$('.sf-multi-select').select2({
  placeholder: 'Select or type to search',
  closeOnSelect: false,
});
.select2-search__field:focus {
  border: 1px solid #43AEA8 !important;
}

.sf-multi-select:focus {
  border: 1px solid #43AEA8 !important;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.6-rc.0/css/select2.min.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.6-rc.0/js/select2.min.js"></script>


<select class="sf-multi-select" placeholder="Type to search" multiple="multiple">
  <option value="17">Choce 1</option>

  <option value="16">Choice 2</option>

</select>

标签： javascriptjqueryhtmlcssjquery-select2

解决方案

你可以这样做：

$('.sf-multi-select').select2({
  placeholder: 'Select or type to search',
  closeOnSelect: false,
});
.select2-container--default.select2-container--focus .select2-selection--multiple {
  border: 1px solid red!important;
}

select {
  width: 100%;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.6-rc.0/css/select2.min.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.6-rc.0/js/select2.min.js"></script>


<select class="sf-multi-select" placeholder="Type to search" multiple="multiple">
  <option value="17">Choce 1</option>

  <option value="16">Choice 2</option>

</select>

所以与其使用:focus，不如修改自己的焦点类.select2-container--default.select2-container--focus

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