PHP 代码:PHP 计数器的实现代码
本文为大家介绍了 PHP 计数器的实现代码,供大家参考下
代码如下:
<?php
/*使用文本文件记录数据的简单实现*/
$counter
=1;
if
(
file_exists
("mycounter.txt")){
$fp
=
fopen
("mycounter.txt","r");
$counter
=
fgets
(
$fp
,9);
$counter
++;
fclose(
$fp
);
}
$fp
=
fopen
("mycounter.txt","w");
fputs
(
$fp
,
$counter
);
fclose(
$fp
);
echo
"<h1>您是第".
$counter
."次访问本页面!<h1>";
?>
复制代码 代码如下:
<?php
//下面这个为使用基于数据库的简单计数器,未添加其他防止一人重复刷新的方法。仅供
参考。。
$conn
=mysql_connect("localhost","root","abc");
$result
=mysql_query("use db_counter");
$re
=mysql_query("select * from tb_counter");
$result
=mysql_fetch_row(
$re
);
$counter
=
$result
[0];
echo
"您是第{$counter}位访问者!";
$counter
+=1;
echo
"<hr>{$counter}";
mysql_query("update tb_counter set counter=$counter");
mysql_close(
$conn
);
?>