<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Demos</title>
<link rel="stylesheet" href="assets/bootstrap/css/bootstrap.css" />
<link rel="stylesheet" href="../multiple-select.css" />
</head>
<body>
<div class="container">
<div class="form-group">
<label>Month：</label>
<select id="ms" multiple="multiple">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option>
</select>
</div>
</div>
<script src="assets/jquery.min.js"></script>
<script src="../multiple-select.js"></script>
<script>
$(function() {
$('#ms').multipleSelect({
//控件宽度
460,
//全选字体样式
selectAllText:'全选',
// 支持在一行中显示多个选项
multiple: true,
multipleWidth: 100,
//placeholder
placeholder: "请选择"
});
});
</script>
</body>
</html>
具体下载链接，感谢博主
http://wenzhixin.net.cn/p/multiple-select/docs/index.html?locale=zh_CN