代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="js/jquery-3.4.1.min.js" type="text/javascript" charset="utf-8"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.10.0/css/bootstrap-select.min.css">
<!-- Latest compiled and minified JavaScript -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.10.0/js/bootstrap-select.min.js"></script>
<!-- (Optional) Latest compiled and minified JavaScript translation files -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.10.0/js/i18n/defaults-*.min.js"></script>
<title></title>
</head>
<body id="">
<div class="form-group">
<!-- <div class="title">
可选择多个指标
</div> -->
<div class="centent1Select">
<select id="usertype" title="可选择多个指标" onchange="centent1SelectOnchang(this)"
class="selectpicker show-tick form-control" multiple data-live-search="false">
<option value="1">累计访问人数</option>
<option value="2">打开次数</option>
<option value="3">访问次数</option>
<option value="4">访问人数</option>
<option value="5">新访问人数</option>
<option value="6">平均访问深度</option>
<option value="7">次均停留时长</option>
<option value="8">总添加人数</option>
<option value="9">新添加人数</option>
<option value="10">删除添加人数</option>
<option value="11">分享次数</option>
<option value="12">分享人数</option>
</select>
</div>
</div>
<script type="text/javascript">
$(window).on('load', function () {
$('#usertype').selectpicker({
'selectedText': 'cat'
});
});
//取出选择的任务执行人的方法
function centent1SelectOnchang() {
var val = "", staffs = [];
//循环的取出插件选择的元素(通过是否添加了selected类名判断)
for (var i = 0; i < $("li.selected").length; i++) {
val = $("li.selected").eq(i).find(".text").text();
if (val != '') {
staffs.push(val);
}
}
console.log(staffs)
}
</script>
</body>
</html>
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