select count(*) as row_count from wb_products where 1 and (wb_products_category_id in () or wb_products_category_id like '%30%')<br>连接数据表错误<br>错误代码： 1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') or wb_products_category_id like '%30%')' at line 1