html code
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <title>urlShort</title> </head> <body> <form action="urlShort.php" method="post"> <input type="text" size="16" name="url" value="输入网址" onfocus="if(this.value=='输入网址'){this.value='';}" onblur="if(this.value==''){this.value='输入网址'};"> <input type="submit" value=" 生成 " /> </form> <a href="http://hovertree.com">何问起</a> </body> </html>
php code
<?php header("Content-Type:text/html;charset=UTF-8"); function base62($x){ $show = ''; while($x>0){ $s = $x % 62; if ($s > 35){ $s = chr($s + 61); }else if ($s > 5 && $S<=35){ $s = chr($s + 55); } $show .= $s; $x = floor($x/62); } return $show; } /* 何问起 hovertree.com */ function url_short($url){ $url = crc32($url); $result = sprintf("%u",$url); return base62($result); } echo ("生成的新网址为：<a href='http://$_POST[url]'>".url_short($_POST['url'])."</a>"); ?>