<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>