PhpCms V9调用指定栏目子栏目稿子的两种方法
PhpCms V9调用指定栏目子栏目文章的两种方法
PhpCms V9调用指定栏目子栏目文章的两种方法 第一种、直接写子栏目id ,用cat in
{pc:get?sql="SELECT * from v9_news where status=99?and catid in(21,22,23,24,25)?order by id DESC" num="7" return="data"}
{loop $data $r}
? ?? ?
{/loop}
{/pc}
这种方法的好处:可以想取那个栏目可以自定义
缺点:要写多个id,后台增加了栏目的话得再把id写进去
第二种,根据父栏目id,如上面的21,22,23,24,25都是 15下面的子栏目,可以这样写:
{loop subcat(15)??$k $v}
{php $subcatid[] = $k;}
{/loop}
{php $subcatid??= implode(',', $subcatid);}
{pc:get sql="SELECT * from v9_news where status=99 and?catid in ($subcatid)?order by id DESC" num="7" return="data" }
{loop $data $r}
? ?? ???
{/loop}
{/pc}
好处:只要写一个父栏目id,自动取下级子栏目id
缺点:循环父栏目下所有的子栏目id,如果某个子栏目的内容不想显示的话,不好实现
两种方法各有利弊,视情况选之。
?
http://www.veryhuo.com/a/view/30459.html

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