CURL代码：
$curl = curl_init();
curl_setopt($curl,CURLOPT_URL,$url);
curl_setopt($curl, CURLOPT_PORT, 443);
curl_setopt($curl, CURLOPT_SSLVERSION, 3);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); //信任任何证书
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0); // 检查证书中是否设置域名,0不验证
curl_setopt($curl, CURLOPT_VERBOSE, 1); //debug模式
curl_setopt($curl, CURLOPT_SSLCERT, "./keys/client.crt"); //client.crt文件路径
curl_setopt($curl, CURLOPT_SSLCERTPASSWD, "112358"); //client证书密码
curl_setopt($curl, CURLOPT_SSLKEY, "./keys/client.key");
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
