select u.user_id, u.username, u.person_name, u.random, u.role_id, r.role_name, t.token from users u left join role r on u.role_id=r.role_id left join token t on t.user_id=u.user_id where u.username=#{username} and u.password=#{password} update token set token=#{token} where user_id=#{userId} insert into token(user_id,token) values(#{userId},#{token}) select * from users where id=1; insert into users(user_id, username, password, role_id, person_name, random, create_time, update_time) values(#{userId}, #{username}, #{password}, #{roleId}, #{personName}, #{random}, #{createTime}, #{updateTime})