骆驼的自白 2019-04-08
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.com/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>