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php mysql 数据库的页面计数器实例代码

WBOY
WBOYOriginal
2016-06-02 09:14:201265browse

本款程序是一款简单的实例的php mysql 数据库的页面计数器实例代码,这样你就可以查询你网页访问次数了,实例代码如下:

<HTML> 
<HEAD> 
<TITLE>基于数据库的页面计数器范例</TITLE> 
</HEAD> 
<BODY> 
<?PHP 
 $db=mysql_connect("localhost","root","qwaszx"); 
 $query="select * from num"; 
 $result=mysql_db_query("test",$query); 
 if($result){ 
   $r=mysql_fetch_array($result); 
   $counter=$r["NumValue"]; 
   $counter=$counter+1; 
   $query=&#39;update num set NumValue=&#39;.$counter.&#39; where id=1&#39;; 
   $result=mysql_db_query("test",$query); 
   //开源代码phprm.com 
   mysql_close(); 
   echo &#39;您好，您是第&#39;. $counter.&#39;位访客&#39;; 
 } 
 
</BODY> 
</HTML>


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