摘要: select * from t_bus_shop_type WHERE `school_id` = 1 or `school_id` is NULL and `status` != 3; 是is null 不是= null 阅读全文
posted @ 2018-09-13 10:32 wangbiubiu 阅读(10872) 评论(0) 推荐(1) 编辑