统计记录:

select count(*) as total from [!db.pre!]ecms_news  union select count(*) as total from [!db.pre!]ecms_movie

查询记录:

select classid,id,titleurl,title,newstime from [!db.pre!]ecms_news  union select classid,id,titleurl,title,newstime from [!db.pre!]ecms_movie order  by newstime desc

-----------------------注释：-------------------------------

以上调用的是（新闻模型：news、电影模型：movie）两个模型的文章，两个模型用"Union"连接调用

若指定栏目用：where classid in(46,47,51)，

若调用推荐在其后追加：and isgood=1，

若指定调用条数在其后追加：limit 10