<insert id="insertAddressPosition" parameterType="java.util.List">         <selectKey keyProperty="p1" order="BEFORE" resultType="int">             select seq_app_addresslist.nextval from dual         </selectKey>         insert into appuser.ADDRESS_POSITION_BACKUP         (row_id,pos_id,pos_name,create_date,update_date)         <foreach collection="list" item="pop" separator="union all"             open="(" close=")">             select             #{p1},#{pop.ROLE_ID,jdbcType=VARCHAR},#{pop.ROLE_NAME,jdbcType=VARCHAR},             sysdate,sysdate             from dual         </foreach>     </insert>

参照此篇文章 http://ask.csdn.net/questions/155651

这篇文章也不错 http://blog.csdn.net/moneyshi/article/details/22807239