<insert id="sendMailFast" parameterClass="java.util.ArrayList">        insert into mail(sender,reciver,content,type,flag,sendTime,endTime,goodId,msType,msNum) values        <iterate conjunction=",">        (#value[].sender#,#value[].reciver#,#value[].content#,#value[].type#,#value[].flag#,#value[].sendTime#,#value[].endTime#,#value[].goodId#,#value[].msType#,#value[].msNum#)        </iterate>    </insert>    <!-- 删除指定邮件 -->    <delete id="deleteMail" parameterClass="java.util.ArrayList">        delete from mail where id in        <iterate conjunction="," open="(" close=")">            #value[]#        </iterate>    </delete>