152 lines
4.3 KiB
PHP
152 lines
4.3 KiB
PHP
<?php
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/*-----------------------------------------------------+
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* 响应处理类
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* @author yeahoo2000@gmail.com
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+-----------------------------------------------------*/
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class Response{
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protected $status = 200;
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protected $headers = [];
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protected $body;
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public static $codes = [
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100 => 'Continue',
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101 => 'Switching Protocols',
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102 => 'Processing',
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200 => 'OK',
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201 => 'Created',
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202 => 'Accepted',
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203 => 'Non-Authoritative Information',
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204 => 'No Content',
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205 => 'Reset Content',
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206 => 'Partial Content',
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207 => 'Multi-Status',
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208 => 'Already Reported',
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226 => 'IM Used',
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300 => 'Multiple Choices',
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301 => 'Moved Permanently',
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302 => 'Found',
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303 => 'See Other',
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304 => 'Not Modified',
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305 => 'Use Proxy',
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306 => '(Unused)',
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307 => 'Temporary Redirect',
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308 => 'Permanent Redirect',
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400 => 'Bad Request',
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401 => 'Unauthorized',
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402 => 'Payment Required',
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403 => 'Forbidden',
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404 => 'Not Found',
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405 => 'Method Not Allowed',
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406 => 'Not Acceptable',
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407 => 'Proxy Authentication Required',
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408 => 'Request Timeout',
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409 => 'Conflict',
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410 => 'Gone',
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411 => 'Length Required',
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412 => 'Precondition Failed',
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413 => 'Payload Too Large',
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414 => 'URI Too Long',
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415 => 'Unsupported Media Type',
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416 => 'Range Not Satisfiable',
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417 => 'Expectation Failed',
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422 => 'Unprocessable Entity',
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423 => 'Locked',
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424 => 'Failed Dependency',
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426 => 'Upgrade Required',
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428 => 'Precondition Required',
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429 => 'Too Many Requests',
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431 => 'Request Header Fields Too Large',
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500 => 'Internal Server Error',
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501 => 'Not Implemented',
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502 => 'Bad Gateway',
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503 => 'Service Unavailable',
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504 => 'Gateway Timeout',
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505 => 'HTTP Version Not Supported',
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506 => 'Variant Also Negotiates',
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507 => 'Insufficient Storage',
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508 => 'Loop Detected',
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510 => 'Not Extended',
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511 => 'Network Authentication Required'
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];
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public function __construct(){
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// 载入默认的header输出配置，如果有的话
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if(App::cfg()->header){
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foreach(App::cfg()->header->getArray() as $k => $v){
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$this->headers[$k] = $v;
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}
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}
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}
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public function status($code = null){
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if(is_null($code)){
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return $this->status;
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}
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if(isset(self::$codes[$code])){
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$this->status = $code;
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}else{
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throw new Exception('无效的状态码');
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}
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return $this;
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}
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public function header($name, $value = null){
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$this->headers[$name] = $value;
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return $this;
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}
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public function sendHeaders(){
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$protocol = isset($_SERVER['SERVER_PROTOCOL'])? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.1';
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sprintf('%s %d %s', $protocol, $this->status, self::$codes[$this->status]);
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foreach($this->headers as $k => $v){
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header($k.': '.$v);
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}
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if(($length = strlen($this->body)) > 0){
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header('Content-Length: '.$length);
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}
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return $this;
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}
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public function write($str) {
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$this->body .= $str;
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return $this;
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}
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public function send(){
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if (ob_get_length() > 0) ob_end_clean();
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if (!headers_sent()) $this->sendHeaders();
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exit($this->body);
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}
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public function cache($expires) {
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if ($expires === false) {
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$this->headers['Expires'] = 'Mon, 26 Jul 1997 05:00:00 GMT';
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$this->headers['Cache-Control'] = array('no-store, no-cache, must-revalidate', 'post-check=0, pre-check=0', 'max-age=0');
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$this->headers['Pragma'] = 'no-cache';
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}
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else {
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$expires = is_int($expires) ? $expires : strtotime($expires);
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$this->headers['Expires'] = gmdate('D, d M Y H:i:s', $expires) . ' GMT';
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$this->headers['Cache-Control'] = 'max-age='.($expires - time());
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}
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return $this;
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}
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public function clear(){
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$this->status = 200;
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$this->headers = [];
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$this->body = '';
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return $this;
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}
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}
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