后台的list页面，在顺序里点向下就下移一位,点上降就上降一位,然后前台也同时变化，这个如何实现的
后台的list页面，在顺序里点向上就上移一位,点下降就下降一位,然后前台也同时变化，这个怎么实现的?
后台的list页面，在顺序里点向上就上移一位,点下降就下降一位,然后前台也同时变化，这个怎么实现的?详细一点介绍，新手，谢谢！
------解决方案--------------------
数据库有该字段 或者时间字段、
列表显示是 order by 那个字段的
你每次点击其实就是更新单个数据的信息 或者修改其字段值而已、
然后返回在list列表里而已
比如你有个list 列表、 每个字段信息都有个cn_time （时间）或者是 cn_index（值）字段【顺便提下：index是数据库里关键字】
select * from list order by cn_time
你每次点击都是对其资源的id数据进行更新而已
update list set cn_time = now ;
、这样就实现你所说的功能了、
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