计数器
运行mysql.exe
mysql> create database counter;
query ok, 1 row affected (0.10 sec)
mysql> use counter;
database changed
mysql> create table tl(id integer(2),count integer(5));
query ok, 0 rows affected (0.21 sec)
mysql> show columns from tl;
------- -------- ------ ----- --------- -------
| field | type | null | key | default | extra |
------- -------- ------ ----- --------- -------
| id | int(2) | yes | | null | |
| count | int(5) | yes | | null | |
------- -------- ------ ----- --------- -------
2 rows in set (0.05 sec)
mysql> select * from tl;
empty set (0.08 sec)
mysql> insert into tl(id,count) values(1,1);
query ok, 1 row affected (0.02 sec)
mysql> select * from tl;
------ -------
| id | count |
------ -------
| 1 | 1 |
------ -------
1 row in set (0.03 sec)
下面编写html文件内容：