cid,评论ID,
itemid,订单ID,
mallid,商品ID,
buyer,买家,
seller,卖家,
buyer_star,卖家对买家的评分,1差评2中评3好评
buyer_comment,卖家对买家的评论,
buyer_ctime,卖家对买家的评论时间,
buyer_reply,卖家对买家评论的解释,
buyer_rtime,卖家对买家评论的解释时间,
seller_star,买家对卖家的评分,1差评2中评3好评
seller_comment,买家对卖家的评论,
seller_ctime,买家对卖家的评论时间,
seller_reply,买家对卖家评论的解释,
seller_rtime,买家对卖家评论的解释时间,