PHP中以multipart/form

hcwzwx

上传类

class UploadPart
{   
protected static $url;
protected static $delimiter;
protected static $instance;
public function __construct() {
static::$url = 'http://files.note.so/v1/file_server';
static::$delimiter = uniqid();
}
public function putPart($param) {
$post_data = static::buildData($param);
$curl = curl_init(static::$url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($curl, CURLOPT_HTTPHEADER, [
"Content-Type: multipart/form-data; boundary=" . static::$delimiter,
"Content-Length: " . strlen($post_data)
]);
$response = curl_exec($curl);
curl_close($curl);
$info = json_decode($response, true);
if (!is_array($info['Msg']) && $info['Msg'] == $param['filesize']) {
$param['offset'] = $param['filesize'];
$param['upload'] = '';
return $this->putPart($param);
}
return $response;
}
private static function buildData($param){
$data = '';
$eol = "\r\n";
$upload = $param['upload'];
unset($param['upload']);
foreach ($param as $name => $content) {
$data .= "--" . static::$delimiter . "\r\n"
. 'Content-Disposition: form-data; name="' . $name . "\"\r\n\r\n"
. $content . "\r\n";
}
// 拼接文件流
$data .= "--" . static::$delimiter . $eol
. 'Content-Disposition: form-data; name="upload"; filename="' . $param['filename'] . '"' . "\r\n"
. 'Content-Type:application/octet-stream'."\r\n\r\n";
$data .= $upload . "\r\n";
$data .= "--" . static::$delimiter . "--\r\n";
return $data;
}
public static function getInstance() {
if(!static::$instance){
static::$instance = new static();
}
return static::$instance;
}
}
使用方法

$fields = array(
'type' => 'video',
'filename' => '1407.png',
'filesize' => 58701,
'offset' => 0,
'filetype' => '.acc',
'originName' => '1407.png',
'upload'=>file_get_contents('0407.png')
);
$part = UploadPart::getInstance()->putPart($fields);