PHP访问计数器模块

index.php

 1 <?php
 2     include("counter.php")
 3 ?>
 4 
 5 <html>
 6     <head>
 7     <title>访问计数器</title>
 8     </head>
 9 
10     <body>
11         <center>
12         <h1>访问者计数器</h1>
13         <U>                                                                    <!--下划线-->
14         <font size="6" face="隶书" >你是第</font>
15         <B>
16             <font size="9" face="Verdana" color="#ffcc00">
17             <?php Counter() ?>                                                 <!--调用函数-->
18             </font>
19         </B>
20         <font size="6" face="隶书" >个访问者</font>
21         </U>
22         </center>
23     </body>
24 </html>

counter.php

 1 <?php
 2     //$five,$four 等变量表示零的个数，放在数字前边构成6位
 3     function Counter()
 4     {                                   //定义函数
 5         $five = "00000";                                      //声明变量
 6         $four = "0000";
 7         $three = "000";
 8         $two = "00";
 9         $one = "0";
10         $counter = "record.dat";                      //存放访问数的目的文件，.dat格式
11         if(!file_exists($counter))                    //判断文件是否存在
12         {
13             $counter = fopen($counter,"w");
14             fputs($counter,"0");                      //写入文件
15             fclose($counter);
16         }
17         else
18         {
19             $fp = fopen($counter,"r+");
20             $num = fgets($fp,"1024");                //如果文件存在则读出文件，并加 1
21             $num = $num + 1;
22             if($num < 10)
23                 print "$five"."$num";
24             elseif($num < 100)
25                 print "$four"."$num";
26             elseif($num < 1000)
27                 print "$three"."$num";
28             elseif($num < 10000)
29                 print "$two"."$num";
30             elseif($num < 100000)
31                 print "$one"."$num";
32             else
33                 print "$num";
34         }
35         $fp = fopen($counter,"w");
36         fputs($fp,"$num");
37         fclose($fp);
38     }
39 ?>

posted on 2012-11-06 16:29 可笑痴狂阅读(3307) 评论(0) 编辑收藏举报