标题包含关键字

　　①、比较粗糙的匹配，可能不太精确：title like '%$navinfor[keyboard]%'

　　②、精确的匹配，比较消耗资源：title regexp '(^|,)$navinfor[keyboard]($|,)'

　　关键字相同

　　①、比较粗糙的匹配，可能不太精确：keyboard like '%$navinfor[keyboard]%'

　　②、精确的匹配，比较消耗资源：keyboard regexp '(^|,)$navinfor[keyboard]($|,)'

　　格式1、

　　①、模糊匹配

　　[e:loop={"select * from phome_ecms_news where title like '%$navinfor[keyboard]%' or keyboard like '%$navinfor[keyboard]%' order by id desc limit 10",0,24,0}]

　　[/e:loop]

　　②、精确的匹配

　　[e:loop={"select * from phome_ecms_news where title regexp '(^|,)$navinfor[keyboard]($|,)' or keyboard regexp '(^|,)$navinfor[keyboard]($|,)' order by id desc limit 10",0,24,0}]

　　[/e:loop]

　　格式2、

　　①、模糊匹配

　　[e:loop={'news',10,3,0,"keyboard like '%$navinfor[keyboard]%' or title like '%$navinfor[keyboard]%'",''}]

　　[/e:loop]

　　或

　　[e:loop={0,10,3,0,"keyboard like '%$navinfor[keyboard]%' or title like '%$navinfor[keyboard]%'",''}]

　　[/e:loop]

　　注意：在没有相关文章时，会调用最新的文章来替代空缺的位置