字段名类型解释附加说明zidint(10)专题信息IDztidsmallint(5)专题IDcidsmallint(5)专题子类IDclassidsmallint(5)栏目IDidint(10)信息IDnewstimeint(10)发布时间midsmallint(5)模型IDisgoodtinyint(1)信息推荐级别