select role_id ,role_name from role; insert into users(user_id,role_id,username,password,person_name,random,create_time,update_time) values(#{userIdb},#{roleId},#{username},#{password},#{personName},#{random},#{createTime},#{updateTime}) select * from users where user_id = #{userIdb} or username = #{username} select count(*) from users where username = #{username} select r.role_name from users y left join role r on r.role_id=y.role_id where user_id=1003 select y.user_id, r.role_name, y.role_id, y.username, y.password, y.person_name, y.create_time, y.update_time from users y left join role r on r.role_id=y.role_id y.role_id=#{roleId} and y.username=#{username} and y.person_name=#{personName} order by create_time desc limit #{startPage},#{rowNum} select count(*) from ( select y.user_id, r.role_name, y.role_id, y.username, y.password, y.person_name, y.create_time, y.update_time from users y left join role r on r.role_id=y.role_id y.role_id=#{roleId} and y.username=#{username} and y.person_name=#{personName} )te update users set username=#{username} , password=#{password} , person_name=#{personName},update_time=#{updateTime} where user_id=#{userId} delete from users where user_id in #{userids} select max(user_id) from users select count(*) from users where random=#{random} insert into operation_history_admin(operator_id,operation_type_id,be_operated_id,operation_time,hash) values( #{userId}, #{operationTypeId}, #{userIdb}, #{operationTime}, #{hash}) insert into operation_history_admin(operator_id,operation_type_id,be_operated_id,operation_time,hash) values (#{userId},#{operationTypeId},#{userIdb},#{operationTime},#{hash})