说好的背景板，怎么在走主角线

$urls = array('http://www.nmgrq.com/qt/2.html','http://www.nmgrq.com/qt/1.html','http://www.nmgrq.com/rss/baidu.xml');$api = 'http://data.zz.baidu.com/urls?site=www.nmgrq.com&token=1iXvZzrZmqKYSWRW';$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $api);curl_setopt($ch, CURLOPT_POST, true);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_POSTFIELDS, implode("\n", $urls));$result = curl_exec($ch);echo $result;