存储 PHP HTML 函数 Color
<?php// 访客计数器函数function counter() { !empty($_GET['weburl']) || die('weburl不能为空'); $weburl = $_GET['weburl']; $file = '/usr/local/apache/htdocs/MyTests/counter.txt'; if (! file_exists($file)) { $num = 1; $cf = fopen($file, 'w'); fwrite($cf, $weburl.' '.$num); fclose($cf); } else { $cf = fopen($file, 'rw'); $num = fgets($cf); $num = substr($num, 15); fclose($cf); ++$num; $cf = fopen($file, 'w'); fwrite($cf, $num); fclose($cf); }}?><html> <head> <title>访客计数器</title> </head> <body> <center> <h1>欢迎访问</h1><br /> <form action="counter()" name="url-form" method="get"> <div> <input type="text" name="weburl" size="15" /> <input type="submit" name="Submit" value="提交" /> </div> </form> <hr /> <font size="7" color="red"> 您是第<?php //echo counter() ?>位访客 </font> </center> </body></html>
<?php// 访客计数器函数function counter() { !empty($_GET['weburl']) || die('weburl不能为空'); $weburl = trim($_GET['weburl']); $pattern = "/((25[0-5]|2[0-4]\d|1?\d?\d)\.){3}(25[0-5]|2[0-4]\d|1?\d?\d)/"; //对录入的ip格式进行判断 if(! preg_match($pattern,$weburl)) die('IP地址格式不正确;'); //使ip长度固定 $arr = explode('.',$weburl); for($i=0;$i<4;$i++){ $arr[$i] = str_pad($arr[$i],3,' ',STR_PAD_LEFT); } $weburl = join('.',$arr); $file = 'counter.txt'; if (! file_exists($file)) { $num = 1; $cf = fopen($file, 'w'); fwrite($cf, $weburl.'-'.$num); fclose($cf); return $num; } else { $cf = fopen($file, 'r+'); while(!feof ($cf)){ $str1 = fgets($cf); $str2 = substr($str1,0,strpos($str1,'-')); if($weburl == $str2){ $len = strlen($str1); $num = (int) trim(substr($str1,strpos($str1,'-')+1)); $num++; $str1 = $weburl.'-'.$num; //如果存在则把指针返回到该行前，覆盖写入内容，实现修改 fseek($cf,-$len,SEEK_CUR); fwrite($cf,$str1); fseek($cf,$len,SEEK_CUR); fclose($cf); return $num; } } //未找到则在末尾换行增加一行记录 fwrite($cf, "\r\n".$weburl.'-1'); return 1; }}?><html> <head> <title>访客计数器</title> </head> <body> <center> <h1>欢迎访问</h1><br /> <form action="" name="url-form" method="get"> <div> <input type="text" name="weburl" size="15" /> <input type="submit" name="Submit" value="提交" /> </div> </form> <hr /> <font size="7" color="red"> 您是第<?php echo counter(); ?>位访客 </font> </center> </body></html>
<?php// 访客计数器函数function counter() { !empty($_GET['weburl']) || die('weburl不能为空'); $weburl = trim($_GET['weburl']); $pattern = "/((25[0-5]|2[0-4]\d|1?\d?\d)\.){3}(25[0-5]|2[0-4]\d|1?\d?\d)/"; //对录入的ip格式进行判断 if(! preg_match($pattern,$weburl)) die('IP地址格式不正确;'); //使ip长度固定 $arr = explode('.',$weburl); for($i=0;$i<4;$i++){ $arr[$i] = str_pad($arr[$i],3,' ',STR_PAD_LEFT); } $weburl = join('.',$arr); $file = 'counter.txt'; if (! file_exists($file)) { $num = 1; $cf = fopen($file, 'w'); fwrite($cf, $weburl.'-'.$num); fclose($cf); return $num; } else { $cf = fopen($file, 'r+'); while(!feof ($cf)){ $str1 = fgets($cf); $str2 = substr($str1,0,strpos($str1,'-')); if($weburl == $str2){ $len = strlen($str1); $num = (int) trim(substr($str1,strpos($str1,'-')+1)); $num++; $str1 = $weburl.'-'.$num; //如果存在则把指针返回到该行前，覆盖写入内容，实现修改 fseek($cf,-$len,SEEK_CUR); fwrite($cf,$str1); fseek($cf,$len,SEEK_CUR); fclose($cf); return $num; } } //未找到则在末尾换行增加一行记录 fwrite($cf, "\r\n".$weburl.'-1'); return 1; }}?><html> <head> <title>访客计数器</title> </head> <body> <center> <h1>欢迎访问</h1><br /> <form action="" name="url-form" method="get"> <div> <input type="text" name="weburl" size="15" /> <input type="submit" name="Submit" value="提交" /> </div> </form> <hr /> <font size="7" color="red"> 您是第<?php echo counter(); ?>位访客 </font> </center> </body></html>
