简单的ibatis注解

int insertest(@param("s_name") string s_name);

@update("update student set s_name=#{s_name} where s_id=#{s_id}")

int update111(@param("s_id") string sid,@param("s_name")string sname);

@update("update student set s_name = #{sname}, s_age = #{sage} where s_id =#{sid} ")

int updateobj(student s);