function post($url, $param=array()){
if(!is_array($param)){
throw new Exception("参数必须为array");
}
$httph =curl_init($url);
curl_setopt($httph, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($httph, CURLOPT_SSL_VERIFYHOST, 1);
curl_setopt($httph,CURLOPT_RETURNTRANSFER,1);
curl_setopt($httph, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)");
curl_setopt($httph, CURLOPT_POST, 1);//设置为POST方式
curl_setopt($httph, CURLOPT_POSTFIELDS, $param);
curl_setopt($httph, CURLOPT_RETURNTRANSFER,1);
curl_setopt($httph, CURLOPT_HEADER,1);
$rst=curl_exec($httph);
curl_close($httph);
return $rst;
}