[symfony2源码阅读]Response

位置为:  Symfony\Component\HttpFoundation\Response

class Response

       Response  代表一个HTTP  response

属性

/**  * @var \Symfony\Component\HttpFoundation\ResponseHeaderBag  */ public $headers;

/**  * Status codes translation table.  *  * The list of codes is complete according to the  * {@link http://www.iana.org/assignments/http-status-codes/ Hypertext Transfer Protocol (HTTP) Status Code Registry}  * (last updated 2012-02-13).  *  * Unless otherwise noted, the status code is defined in RFC2616.  *  * @var array  */ public static $statusTexts = array(
    100 => 'Continue',
    101 => 'Switching Protocols',
    102 => 'Processing',            // RFC2518
    200 => 'OK',
    201 => 'Created',
    202 => 'Accepted',
    203 => 'Non-Authoritative Information',
    204 => 'No Content',
    205 => 'Reset Content',
    206 => 'Partial Content',
    207 => 'Multi-Status',          // RFC4918
    208 => 'Already Reported',      // RFC5842
    226 => 'IM Used',               // RFC3229
    300 => 'Multiple Choices',
    301 => 'Moved Permanently',
    302 => 'Found',
    303 => 'See Other',
    304 => 'Not Modified',
    305 => 'Use Proxy',
    306 => 'Reserved',
    307 => 'Temporary Redirect',
    308 => 'Permanent Redirect',    // RFC7238
    400 => 'Bad Request',
    401 => 'Unauthorized',
    402 => 'Payment Required',
    403 => 'Forbidden',
    404 => 'Not Found',
    405 => 'Method Not Allowed',
    406 => 'Not Acceptable',
    407 => 'Proxy Authentication Required',
    408 => 'Request Timeout',
    409 => 'Conflict',
    410 => 'Gone',
    411 => 'Length Required',
    412 => 'Precondition Failed',
    413 => 'Request Entity Too Large',
    414 => 'Request-URI Too Long',
    415 => 'Unsupported Media Type',
    416 => 'Requested Range Not Satisfiable',
    417 => 'Expectation Failed',
    418 => 'I\'m a teapot',                                               // RFC2324
    422 => 'Unprocessable Entity',                                        // RFC4918
    423 => 'Locked',                                                      // RFC4918
    424 => 'Failed Dependency',                                           // RFC4918
    425 => 'Reserved for WebDAV advanced collections expired proposal',   // RFC2817
    426 => 'Upgrade Required',                                            // RFC2817
    428 => 'Precondition Required',                                       // RFC6585
    429 => 'Too Many Requests',                                           // RFC6585
    431 => 'Request Header Fields Too Large',                             // RFC6585
    500 => 'Internal Server Error',
    501 => 'Not Implemented',
    502 => 'Bad Gateway',
    503 => 'Service Unavailable',
    504 => 'Gateway Timeout',
    505 => 'HTTP Version Not Supported',
    506 => 'Variant Also Negotiates (Experimental)',                      // RFC2295
    507 => 'Insufficient Storage',                                        // RFC4918
    508 => 'Loop Detected',                                               // RFC5842
    510 => 'Not Extended',                                                // RFC2774
    511 => 'Network Authentication Required',                             // RFC6585
);

方法

1.构造函数

/**  * Constructor.  *  * @param string $content The response content  * @param int $status The response status code  * @param array $headers An array of response headers  *  * @throws \InvalidArgumentException When the HTTP status code is not valid  *  * @api  */ public function __construct($content = '', $status = 200, $headers = array())
{
    $this->headers = new ResponseHeaderBag($headers);
    $this->setContent($content);
    $this->setStatusCode($status);
    $this->setProtocolVersion('1.0');
    if (!$this->headers->has('Date')) {
        $this->setDate(new \DateTime(null, new \DateTimeZone('UTC')));
    }
}

未完待续