layui下拉框获取下拉值（select）

 <script type="text/javascript">
        $(document).ready(function () {
            layui.use('form', function(){
                var form = layui.form;
                    form.render();
                    form.on('select', function (data) {
                        //alert(data.value);
                        console.log(data.value);
                    });
                })
</script>