jquery 获取select自定义的attr值
<select class="bp_select" required="" name="pattern" >
<option value="">请选择</option>
<option value="article" data-icon="icon-article">文章</option>
</select>
$('select[name="pattern"]').change(function(){
var icon = $(this).find("option:selected").attr('data-icon');
alert(icon );
});