查询user表中,user_name字段值重复的数据及重复次数select user_name,count(*) as count from user group by user_name having count>1;

按钮<a data-toggle="modal" data-target=".detail" data-id="999" title="详细资料"><i class="ti-user"></i></a>获取参数$('.detail').on('show.bs.modal', function (e) { var btn = $(e.relatedTarget); var id = btn[0].dataset.id; })

前端 2018-10-11