代码：【复制】 
function geturl(){
	if(!empty($_SERVER['REQUEST_URI'])){
		$scriptName = $_SERVER['REQUEST_URI'];
		$nowurl = $scriptName;
	}
	else{
		$scriptName = $_SERVER['PHP_SELF'];
		if($_SERVER['QUERY_STRING']=='')
			$nowurl = $scriptName;
		else
			$nowurl = $scriptName.'?'.$_SERVER['QUERY_STRING'];
	}
	return $nowurl;
}