首先要进行修改之前的查询
く!--増加--
<insert id="adduserparametertype=com zhongruan bean. User>
</insert>insert into tb_ user(id, username, password)values(#(id], #(username),#(password))
!-修改前的查询
select id=findupduserby Id parameter Type=Java.langInteger resulttype=com zhongruan bean. Userselect * from tb user where id=#[id)
</select>
!--修改
<update id="upduserbyid"parameter Type="com zhongruan bean. User">
</update>update tb user set username=#(username), password=#password where id=#(id)