利用Bootstrap Multiselect实现下拉框多选功能

时间:2020-05-16 灬如煙人气:0

利用Bootstrap Multiselect实现下拉框多选功能,并在点击事件中获取到所有选中option的value值

首先展示项目案例:

多选下拉框功能实现.gif

下面是所有完整的代码,重点以及主要的解释已经在代码内进行注释:

引入的css、js文件需要从github中下载:https://github.comhttps://img.qb5200.com/download-x/davidstutz/bootstrap-multiselect

插件依赖jQ和bootstrap,所以在引入插件之前需要先引入这jQ和bootstrap的css和js文件。

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>实现下拉框多选功能</title>
  <link rel="stylesheet" href="docs/css/bootstrap-3.3.2.min.css" rel="external nofollow" type="text/css">
  <link rel="stylesheet" href="docs/css/bootstrap-example.min.css" rel="external nofollow" type="text/css">
  <link rel="stylesheet" href="docs/css/prettify.min.css" rel="external nofollow" type="text/css">
  <script type="text/javascript" src="docs/js/jquery-2.1.3.min.js"></script>
  <script type="text/javascript" src="docs/js/bootstrap-3.3.2.min.js"></script>
  <script type="text/javascript" src="docs/js/prettify.min.js"></script>
  <link rel="stylesheet" href="dist/css/bootstrap-multiselect.css" rel="external nofollow" type="text/css">
  <script type="text/javascript" src="dist/js/bootstrap-multiselect.js"></script>
  <script type="text/javascript">
    $(document).ready(function () {
      window.prettyPrint() && prettyPrint();
    });
    // 插件实例
    $(document).ready(function () {
      $("#example-getting-started").multiselect();
      // 点击事件获取所有选中option的value值
      $("#btn").click(function () {
        var selectValueStr = [];
        $("#example-getting-started option:selected").each(function () {
          selectValueStr.push($(this).val());
        })
        console.log(selectValueStr)
      })
    });
  </script>
</head>

<body>
  <button id="btn">获取选中得option中value值</button>
  <select id="example-getting-started" multiple="multiple">
    <option value="cheese">Cheese</option>
    <option value="tomatoes">Tomatoes</option>
    <option value="Mozzarella">Mozzarella</option>
    <option value="Mushrooms">Mushrooms</option>
    <option value="Pepperoni">Pepperoni</option>
    <option value="Onions">Onions</option>
  </select>
</body>

</html>

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