仿微博php生成短网址，仿微博php

仿微博php生成短网址，仿微博php

html code

DOCTYPE html>  
html lang="en">  
head>  
  meta charset="utf-8" />  
  title>urlShorttitle>  
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){