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用Php实现链结人气统计-PHP实例

首先要说明:这个不是主页计数器,虽然原理和它相同。                                一:准备一个计数文件,存放链结的url和访问次数,格式如下                           id|url|count                                                                      id是用来查找的索引号,url为实际文件的地址,count为次数                            实例数据:                                                                        doc01|docs/doc01.html|10                                                          doc02|docs/doc02.html|10                                                          二:准备count.php文件,代码如下:                                                 <?php                                                                             //功能:传入参数id,在计数文件查找相应的url,增加计数,并返回实际的链接            $countfile="count.txt";                                                           $lines=file($countfile);//将计数文件内容读到数组$lines中                          for($i=0;$i<count($lines);$i++)                                                   {                                                                                 list($sid, $url, $count)=explode("|", $lines[$i]);                                                                        //分解字符串为$id,$url,$count             if($sid==$id) //查找指定id                                                        {                                                                                 $count+=1; //增加计数                                                             $lines[$i]=$sid . "|" . $url . "|" . "$count" . "\n";//重新生成计数字符串         break;                                                                                                                                                              }                                                                                 }                                                                                 //写入计数信息                                                                    $fp=fopen($countfile, "w");                                                       for($i=0;$i<count($lines);$i++)                                                   fputs($fp, $lines[$i]);                                                           fclose($fp);                                                                      Header("Location: $url");                                                         ?>                                                                                注:这个是phpuser.com上的不完全版本,我加了一些改动,现在应该是能用的。                                                                                             三:主页中超链结的调用方式应该改为:                                              <a href="count.php?id=doc01">doc01</a>                                            程序功能是:                                                                      首先将计数文件内容读到数组中                                                      再从数组中查找指定id号,如找到则$url为相应的文件的真正链接,再将计数加1,         重新生成计数信息                                                                  将计数信息写入文件中                                                              返回链接                                                                                                                                                            四:访问人数引用就是下面这几句,写个function也可以,我偷了把懒,                                        谁写好了给我一个  :)                                        <?php                                                                             $countfile="count.txt";                                                           $lines=file($countfile);                                                          list($sid,$url,$count) = explode("|",$lines[0]);//$lines[0]对应count.txt中                                                        //第一条记录                      echo $count;                                                                      ?>                                                                              

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