Home Backend Development PHP Tutorial 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稿子的两种方法

Jun 13, 2016 am 10:39 AM
gt loop lt title

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}
? ?? ?

  • url
  • ]}" title="{$r[title]}" target="_blank">{str_cut($r['title'],40)}({date('m-d',$r[inputtime])})
    {/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}
    ? ?? ???

  • [{$CATEGORYS[$r[catid]][catname]}]{str_cut($r['title'],40)}[{date('Y-m-d',$r[inputtime])}]

  • {/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。

    ?

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