post的curl库，模拟post提交的时候，默认的方式 multipart/form-data ，这个算是post提交的几个基础的实现方式。$postUrl = '';
$postData = array(
'user_name'=>$userName,
'identity_no'=>$idCardNo
);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $postUrl);
curl_setopt($curl, CURLOPT_USERAGENT,'Opera/9.80 (Windows NT 6.2; Win64; x64) Presto/2.12.388 Version/12.15');
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // stop verifying certificate
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
$r = curl_exec($curl);
curl_close($curl);
print_r($r);想用的可以直接拿去试试