自动取款机基本功能：可以存取转账，刷卡信息查询，银行卡号历史信息查询，消费记录查询，修改密码。

思维导图如下：

数据库设计：

mysql> desc balan_list; #保存账号交易记录option_type

+-------------+-------------+------+-----+---------+-------+

| Field       | Type        | Null | Key | Default | Extra |

+-------------+-------------+------+-----+---------+-------+

| card_name   | varchar(50) | YES  |     | NULL    |       |

| balance     | int(11)     | YES  |     | NULL    |       |

| option_type | varchar(30) | YES  |     | NULL    |       |

| pay_cash    | int(11)     | YES  |     | NULL    |       |

| option_time | varchar(50) | YES  |     | NULL    |       |

+-------------+-------------+------+-----+---------+-------+

5 rows in set (0.02 sec)

mysql> desc hist_list;#刷卡消费记录

+-------------+-------------+------+-----+---------+-------+

| Field       | Type        | Null | Key | Default | Extra |

+-------------+-------------+------+-----+---------+-------+

| order_num   | int(11)     | YES  |     | NULL    |       |

| order_name  | varchar(50) | YES  |     | NULL    |       |

| order_price | int(11)     | YES  |     | NULL    |       |

| order_user  | varchar(50) | YES  |     | NULL    |       |

| order_time  | datetime    | YES  |     | NULL    |       |

+-------------+-------------+------+-----+---------+-------+

5 rows in set (0.00 sec)

mysql> desc order_list;#商品列表

+-------------+-------------+------+-----+---------+-------+

| Field       | Type        | Null | Key | Default | Extra |

+-------------+-------------+------+-----+---------+-------+

| order_id    | int(11)     | YES  |     | NULL    |       |

| order_name  | varchar(20) | YES  |     | NULL    |       |

| order_price | int(11)     | YES  |     | NULL    |       |

+-------------+-------------+------+-----+---------+-------+

mysql> select * from user_account; #账号信息表

+-----------+--------+---------+--------------+----------+-------------+

| card_name | passwd | balance | option_type  | pay_cash | option_time |

+-----------+--------+---------+--------------+----------+-------------+

| 9995501   | 000000 |  100772 | 1      |   100000 | NULL        |

| 9995502   | 111111 |    9812 | 2       |     1000 | NULL        |

| 9995503   | 222222 |   15000 | 2            |        0 | NULL        |

| 9995504   | 333333 |   16000 | 1            |     1000 | NULL        |

+-----------+--------+---------+--------------+----------+-------------+

4 rows in set (0.00 sec)

mysql> desc lock_account;锁账号的表+-------+------------------+------+-----+---------+----------------+| Field | Type             | Null | Key | Default | Extra          |+-------+------------------+------+-----+---------+----------------+| id    | int(10) unsigned | NO   | PRI | NULL    | auto_increment || name  | varchar(45)      | NO   |     |         |                |+-------+------------------+------+-----+---------+----------------+2 rows in set (0.00 sec)