删除全部订单： delete FROM `ecs_order_info`
删除未确认订单：delete FROM `ecs_order_info` where order_status =‘0‘
删除已取消订单：delete FROM `ecs_order_info` where order_status =‘2‘
删除已确认订单：delete FROM `ecs_order_info` where order_status =‘1‘
原文：http://www.cnblogs.com/longhun/p/4329438.html