1 function curPageURL() { 
 2 
 3     $pageURL = 'http'; 
 4 
 5     if (!empty($_SERVER['HTTPS'])) {$pageURL .= "s";} 
 6 
 7     $pageURL .= "://"; 
 8 
 9     if ($_SERVER["SERVER_PORT"] != "80") { 
10 
11         $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER
12 ["REQUEST_URI"]; 
13 
14     } else { 
15 
16         $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"]; 
17 
18     } 
19 
20     return $pageURL; 
21 
22 }
23 
24 //使用方法如下
25 
26 echo curPageURL();