| public setDownloadHeaders ( string $attachmentName, string $mimeType = null, boolean $inline = false, integer $contentLength = null ) | ||
| $attachmentName | string | the attachment file name |
| $mimeType | string | the MIME type for the response. If null, `Content-Type` header will NOT be set. |
| $inline | boolean | whether the browser should open the file within the browser window. Defaults to false, meaning a download dialog will pop up. |
| $contentLength | integer | the byte length of the file being downloaded. If null, `Content-Length` header will NOT be set. |
public function setDownloadHeaders($attachmentName, $mimeType = null, $inline = false, $contentLength = null)
{
$headers = $this->getHeaders();
$disposition = $inline ? 'inline' : 'attachment';
$headers->setDefault('Pragma', 'public')->setDefault('Accept-Ranges', 'bytes')->setDefault('Expires', '0')->setDefault('Cache-Control', 'must-revalidate, post-check=0, pre-check=0')->setDefault('Content-Disposition', $this->getDispositionHeaderValue($disposition, $attachmentName));
if ($mimeType !== null) {
$headers->setDefault('Content-Type', $mimeType);
}
if ($contentLength !== null) {
$headers->setDefault('Content-Length', $contentLength);
}
return $this;
} /**
* Formats the specified response.
* @param \yii\web\Response $response the response to be formatted.
*/
public function format($response)
{
//$response->getHeaders()->set('Content-Type', 'text/csv; charset=UTF-8');
$response->setDownloadHeaders(basename(\Yii::$app->request->pathInfo) . '.csv', 'text/csv');
if ($response->data === null) {
return;
}
$handle = fopen('php://memory', 'r+');
/** @var array $data should be output of \yii\rest\Serializer configured in current controller */
$data = $response->data;
if (!isset($data['items'])) {
// single model
fputcsv($handle, array_keys($data));
fputcsv($handle, array_map(function ($value) {
return is_array($value) ? print_r($value, true) : (string) $value;
}, array_values($data)));
} else {
// a collection of models
if (($firstRow = reset($data['items'])) !== false) {
fputcsv($handle, array_keys($firstRow));
}
foreach ($data['items'] as $item) {
fputcsv($handle, $item);
}
}
rewind($handle);
// mb_convert_encoding($csv, 'iso-8859-2', 'utf-8')
$response->content = stream_get_contents($handle);
fclose($handle);
}
