id,username,password,`role`,phone INSERT INTO `health`.`user` (`username`, `password`, `role`, `phone`) VALUES ( #{username},#{password} , #{role}, #{phone} ); update user set password = #{userPwd} where id = #{id} update user set role = 1 where id=#{id} select from user where role = #{userBh} ; select from user where phone = #{userPhone} select from user where username = #{username}; select from user where role = #{i} ;