解决方法
可能是其他东西阻止你进入空间,bootstrap-select不会阻止你进入空间,下面的结帐演示：
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/> <link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.11.0/css/bootstrap-select.min.css" rel="stylesheet"/> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.11.0/js/bootstrap-select.min.js"></script> <select class="selectpicker" data-live-search="true"> <option>Hot Dog,Fries and a Soda</option> <option>Burger,Shake and a Smile</option> <option>Sugar,Spice and all things nice</option> </select>