请求URL地址

if (!function_exists('curl_url')) {

/**
* 获取当前访问的完整URL
* @return string 返回结果
*/
function curl_url()
{
$pageURL = 'http';
if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] === 'on') {
$pageURL .= "s";
}
$pageURL .= "://";
if ($_SERVER["SERVER_PORT"] != "80") {
$pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
} else {
$pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];
}
return $pageURL;
}
}