发送Http 响应Response

use zxf\Facade\Response;

$resp = Response::instance();

$resp->setHeader(mixed $name, mixed $value)

$resp->getHeader(string $name) 

$resp->getHeaders()   

$resp->setBody(mixed $body) 

$resp->getBody()

$resp->setStatusCode(int $statusCode = 200)

$resp->getStatusCode()

$resp->redirect(string $url, bool $permanent = false)     
//重定向($permanent: 是否永久重定向)

$resp->json(array $data = [])

$resp->text(string $text = '') 

$resp->html(string $html = '')

$resp->setCharset(string $charset = 'UTF-8')

$resp->xml(array $data)

$resp->emptyResponse()

$resp->setLength(int $length = 0)

$resp->setEtag($etag)

$resp->setExpires(int $expires = 0)

$resp->setCacheControl(string $cacheControl)
设置响应的缓存控制(e.g:->setCacheControl('max-age=3600,must-revalidate'))

$resp->setAuthentication($username, $password = null) 

$resp->setCompression($format)  

$resp->sendException(\Exception $exception)

$resp->setProxyAuthentication($username, $password = null)

$resp->jsonp($data, $callback = null)

$resp->sendLargeFile($file) 

$resp->setServerInfo($serverName, $serverVersion = null) 

$resp->setInterfaceInfo($interfaceName, $version = null)

$resp->setLastModified($lastModified)

$resp->send()

$resp->ownload(string $file = '', mixed $filename = null)

$resp->csv(array $data, $filename = 'csv_file')

$resp->image($imagePath)