<?PHP

$cookie_file = './cookies.txt';

if (! file_exists($cookie_file) || ! is_writable($cookie_file)){
    echo 'Cookie file missing or not writable.';
    exit;
}//cookie_file is writable,so this is not the issue

$ch = curl_init (html_entity_decode("http://localhost/kiala_test/setcookie.PHP"));
curl_setopt ($ch,CURLOPT_COOKIEJAR,$cookie_file);
curl_setopt ($ch,CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch,CURLOPT_HEADER,1);
//curl_setopt($ch,CURLOPT_FOLLOWLOCATION,true);
$output = curl_exec ($ch);
echo $output;
?>

setcookie.PHP

<?PHP 
$value = 'something from somewhere';
setcookie("TestCookie",$value);

?>

收到标题

HTTP/1.1 200 OK Date: Thu,10 Oct 2013 12:10:37 GMT Server:
Apache/2.4.4 (Win64) PHP/5.4.12 X-Powered-By: PHP/5.4.12 Set-Cookie:
TestCookie=something+from+somewhere Content-Length: 0 Content-Type:
text/html

所以testcookie在标题中,但我的cookiefile保持空白.我做错了什么？我可以尝试使这个例子有效吗？谢谢！