//设置PEM证书，pfx证书转pem方法：openssl pkcs12 -in 2000000501.pfx  -out 2000000501.pem$cacert = ROOT_DIR."config/paykey/weixinss.pem";$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_POST, 1);curl_setopt($ch, CURLOPT_POSTFIELDS, $data);curl_setopt($ch, CURLOPT_TIMEOUT,10);// 从证书中检查SSL加密算法是否存在curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);//设置证书信息curl_setopt($ch, CURLOPT_SSLCERT, $cacert);curl_setopt($ch, CURLOPT_SSLCERTPASSWD, ‘1218651401‘);curl_setopt($ch, CURLOPT_SSLCERTTYPE, ‘PEM‘);//设置CAcurl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);// 对认证证书来源的检查，0表示阻止对证书的合法性的检查。1需要设置CURLOPT_CAINFO//curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);//curl_setopt($ch, CURLOPT_CAINFO, $this->caFile);$result = curl_exec($ch);