1.  

   <insert id="insert" parameterType="Mail" useGeneratedKeys="true" keyProperty="id_note">
2.  
   insert into note(sender, from_address, subject, content, send_time)
3.  
   values(#{sender}, #{fromAddress}, #{subject}, #{content}, #{sendTime})
4.  
   <selectKey keyProperty="id_mail" resultType="int">
5.  
   select LAST_INSERT_ID()
6.  
   </selectKey>
7.  
   </insert>
8.  

 

1. <!--这里可以获得刚插入表格的id，为后面attachment的插入提供了mailId字段-->
2.  
   <select id="selectLastId" resultType="int">
3.  
   select LAST_INSERT_ID()
4.  
   </select>
5.