1. SELECT `id`,`title`,`sign`,`tpl`,`type`,`link`,`target`,`banner`,`subtitle`,`summary`,`content`,`html_code`,`update_time`,`pid`,`is_parent`,`level`,`model_id`,`model_table`,`seo_title`,`seo_kw`,`seo_desc` FROM `aphp_topic` WHERE `sign` = 'product' AND status=1 LIMIT 1
2. SELECT `id`,`title`,`sign`,`type`,`link`,`target` FROM `aphp_topic` WHERE (`id` = 8 OR `pid` = 8) AND is_show=1 AND status=1 ORDER BY `sort` ASC,`id` ASC
3. SHOW COLUMNS FROM `aphp_product`
4. SELECT * FROM `aphp_product` WHERE `id` = 5 AND status=1 LIMIT 1
5. SELECT `id`,`title`,`sign` FROM `aphp_topic` WHERE pid=8
