{

$postBodyString .= "$k=" . urlencode($v) . "&"; } else {

$postMultipart = true; } }

unset($k, $v);

curl_setopt($ch, CURLOPT_POST, true); if ($postMultipart) {

curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields); } else {

curl_setopt($ch, CURLOPT_POSTFIELDS, substr($postBodyString,0,-1)); } }

$reponse = curl_exec($ch);

if (curl_errno($ch)) {

throw new Exception(curl_error($ch),0); } else {

$httpStatusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); if (200 !== $httpStatusCode) {

throw new Exception($reponse,$httpStatusCode); } }

curl_close($ch); return $reponse; }

protected $responseTxt)

//文件上传用 multipart/form-data，否则用 www-form-urlencoded

function logCommunicationError($apiName, $requestUrl, $errorCode,