运行MYSQL.EXE
mysql> create database counter;
Query OK, 1 row affected (0.10 sec) 数据挖掘实验室
mysql> use counter;
Database changed
数据挖掘交友
mysql> create table tl(id integer(2),count integer(5));
Query OK, 0 rows affected (0.21 sec) 数据挖掘论坛
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) 数据挖掘实验室
mysql> select * from tl;
Empty set (0.08 sec) 数据挖掘实验室
mysql> insert into tl(id,count) values(1,1);
Query OK, 1 row affected (0.02 sec) 数据挖掘交友
mysql> select * from tl;
+------+-------+
| id | count |
+------+-------+
| 1 | 1 |
+------+-------+
1 row in set (0.03 sec)
数据挖掘研究院
下面编写HTML文件内容： 数据挖掘工具
<html>
<body>
数据挖掘论坛
<?php
$myvar = "来访人数：";
echo $myvar;
?> 数据挖掘交友
<?php
mysql_connect() or die("there are problems to connect to mysql!");
$query="select * from tl";
$result=mysql_db_query("counter",$query);
if($result){
$r=mysql_fetch_array($result);
$counter=$r["count"];
$counter=$counter+1;
echo $counter;
$query="update tl set count="$counter" where id=1";
$result=mysql_db_query("counter",$query);
mysql_close();
}
?>
</body>
</html> 数据挖掘交友
