这对我有用:)
$url = 'http://www.pottermore.com/';
$html = get_html($url);
file_put_contents('page.htm',$html);//just to test what you have downloaded
echo 'The title from: '.$url.' is: '.get_snip($html, '<title>','</title>');
function get_html($url)
{
    $ch = curl_init();
    $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
    $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
    $header[] = "Cache-Control: max-age=0";
    $header[] = "Connection: keep-alive";
    $header[] = "Keep-Alive: 300";
    $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
    $header[] = "Accept-Language: en-us,en;q=0.5";
    $header[] = "Pragma: "; //browsers keep this blank.  
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows;U;Windows NT 5.0;en-US;rv:1.4) Gecko/20030624 Netscape/7.1 (ax)');
    curl_setopt($ch, CURLOPT_ENCODING, 'gzip,deflate');
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
    curl_setopt($ch, CURLOPT_AUTOREFERER, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_COOKIEFILE, COOKIE);
    curl_setopt($ch, CURLOPT_COOKIEJAR, COOKIE); 
    $result = curl_exec ($ch);
    curl_close ($ch);
    return($result);
}
function get_snip($string,$start,$end,$trim_start='1',$trim_end='1')
{
    $startpos = strpos($string,$start);
    $endpos = strpos($string,$end,$startpos);
    if($trim_start!='')
    {
        $startpos += strlen($start);
    }
    if($trim_end=='')
    {
        $endpos += strlen($end);
    }
    return(substr($string,$startpos,($endpos-$startpos)));
}