我正在尝试使用multipart/form-data标头在PHP中使用cURL发布图像,因为我发送的API期望图像以多部分形式发送.
我在与其他请求谈论API时没有问题; 只发布图像是一个问题.
我在客户端使用此表单:
这是我发布的服务器(这里我试图将这些数据发布到API):
$ch = curl_init($url); curl_setopt ($ch, CURLOPT_POST, 1); curl_setopt ($ch, CURLOPT_POSTFIELDS, $imgRawData); // <-- raw data here hm? curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt ($ch, CURLOPT_COOKIEFILE, $cookieJar); curl_setopt( $ch, CURLOPT_HEADER, 1); curl_setopt($ch, CURLINFO_HEADER_OUT, 1); <-- using this as I wanted to check if HTTPHEADER is set curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: multipart/form-data')); <-- setting content-type header? curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1); // i get response from the server $response = curl_exec( $ch ); // with this I can check what kind of content type the last request had? $requestContentType = curl_getinfo($ch,CURLINFO_CONTENT_TYPE); echo "
request Content Type was:".$requestContentType."
"; curl_close($ch); echo "
SERVER POST IMAGE RESPONSE:
"; echo $response;
使用下面的代码,我可以看到我的请求标头:
curl_setopt($ch, CURLOPT_HEADER, 1); curl_setopt($ch, CURLINFO_HEADER_OUT, true); var_dump(curl_getinfo($ch));
请求标头中的内容类型现在正确显示.但似乎图像没有像API期望的那样正确发送.不幸的是我无法访问API ...
任何帮助表示感谢,谢谢
从PHP 5.6开始@$filePath
,CURLOPT_POSTFIELDS
如果CURLOPT_SAFE_UPLOAD
没有设置它将无法工作,它将在PHP 7中完全删除.您需要在此处使用CurlFile对象RFC.
$fields = [ 'name' => new \CurlFile($filePath, 'image/png', 'filename.png') ]; curl_setopt($resource, CURLOPT_POSTFIELDS, $fields);
如果任何人有同样的问题:检查这是@PravinS建议.我使用了完全相同的代码,它完全适合我.
这是帮助的服务器代码的相关部分:
if (isset($_POST['btnUpload'])) { $url = "URL_PATH of upload.php"; // e.g. http://localhost/myuploader/upload.php // request URL $filename = $_FILES['file']['name']; $filedata = $_FILES['file']['tmp_name']; $filesize = $_FILES['file']['size']; if ($filedata != '') { $headers = array("Content-Type:multipart/form-data"); // cURL headers for file uploading $postfields = array("filedata" => "@$filedata", "filename" => $filename); $ch = curl_init(); $options = array( CURLOPT_URL => $url, CURLOPT_HEADER => true, CURLOPT_POST => 1, CURLOPT_HTTPHEADER => $headers, CURLOPT_POSTFIELDS => $postfields, CURLOPT_INFILESIZE => $filesize, CURLOPT_RETURNTRANSFER => true ); // cURL options curl_setopt_array($ch, $options); curl_exec($ch); if(!curl_errno($ch)) { $info = curl_getinfo($ch); if ($info['http_code'] == 200) $errmsg = "File uploaded successfully"; } else { $errmsg = curl_error($ch); } curl_close($ch); } else { $errmsg = "Please select the file"; } }
HTML表单应该类似于:
<form action="uploadpost.php" method="post" name="frmUpload" enctype="multipart/form-data"> <tr> <td>Upload</td> <td align="center">:</td> <td><input name="file" type="file" id="file"/></td> </tr> <tr> <td> </td> <td align="center"> </td> <td><input name="btnUpload" type="submit" value="Upload" /></td> </tr>