INSERT INTO user (username, password) VALUES (#{username}, #{password}) SELECT * FROM user WHERE id = #{id} SELECT * FROM user insert into user (username, name, password, role, stu_id) values (#{username},#{name},#{password},#{role},#{stu_id}) update user set img = #{img} where id = #{id} update user set password = #{pwd2} where username = #{username} update user set state = #{date} where id = #{id} select * from `user` select * from user where username = #{username} select * from user where username = #{username} and role_id = #{role} select name,stu_id from user where TO_DAYS(NOW( )) != TO_DAYS(state) and role = 2 select name,stu_id from user where state = "1999-01-01"