使用jQuery select2设置多个值 [英] Setting multiple values using jQuery select2
本文介绍了使用jQuery select2设置多个值的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我使用jQuery select2选择多个列表项.
I use jQuery select2 to choose more than one list item.
但是不幸的是，下面的代码必须将所有3个值都加载到选择字段中.但是，它仅加载第一项.
But unfortunately, the below code must have all 3 values being loaded into the select field. However it loads only the first item.
如何将所有3个项目加载到select2列表中?
How do I load all the 3 items into the select2 list?
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.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>
</head>
<body>
<select id="e1" style="width:400px">
<option value="AL">Alabama</option>
<option value="NY">New york</option>
<option value="WY">Wyoming</option>
</select>
<script>
var selectedValuesTest = ["WY","AL", "NY"];
$(document).ready(function() {
$("#e1").select2({
multiple: true,
});
$('#e1').select2('val', selectedValuesTest);
});
</script>
</body>
推荐答案
Set the value in select and trigger the change event using
$('#e1').val(selectedValuesTest).trigger('change');
var selectedValuesTest = ["WY", "AL", "NY"];
$(document).ready(function() {
$("#e1").select2({
multiple: true,
});
$('#e1').val(selectedValuesTest).trigger('change');
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.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 id="e1" style="width:400px" name="states[]">
<option value="AL">Alabama</option>
<option value="NY">New york</option>
<option value="WY">Wyoming</option>
</select>
这篇关于使用jQuery select2设置多个值的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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