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Response.php 8.3KB

    <?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK ] // +---------------------------------------------------------------------- // | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: liu21st <liu21st@gmail.com> // +---------------------------------------------------------------------- namespace think; use think\response\Json as JsonResponse; use think\response\Jsonp as JsonpResponse; use think\response\Redirect as RedirectResponse; use think\response\View as ViewResponse; use think\response\Xml as XmlResponse; class Response { // 原始数据 protected $data; // 当前的contentType protected $contentType = 'text/html'; // 字符集 protected $charset = 'utf-8'; //状态 protected $code = 200; // 输出参数 protected $options = []; // header参数 protected $header = []; protected $content = null; /** * 构造函数 * @access public * @param mixed $data 输出数据 * @param int $code * @param array $header * @param array $options 输出参数 */ public function __construct($data = '', $code = 200, array $header = [], $options = []) { $this->data($data); if (!empty($options)) { $this->options = array_merge($this->options, $options); } $this->contentType($this->contentType, $this->charset); $this->header = array_merge($this->header, $header); $this->code = $code; } /** * 创建Response对象 * @access public * @param mixed $data 输出数据 * @param string $type 输出类型 * @param int $code * @param array $header * @param array $options 输出参数 * @return Response|JsonResponse|ViewResponse|XmlResponse|RedirectResponse|JsonpResponse */ public static function create($data = '', $type = '', $code = 200, array $header = [], $options = []) { $type = empty($type) ? 'null' : strtolower($type); $class = false !== strpos($type, '\\') ? $type : '\\think\\response\\' . ucfirst($type); if (class_exists($class)) { $response = new $class($data, $code, $header, $options); } else { $response = new static($data, $code, $header, $options); } return $response; } /** * 发送数据到客户端 * @access public * @return mixed * @throws \InvalidArgumentException */ public function send() { // 监听response_send Hook::listen('response_send', $this); // 处理输出数据 $data = $this->getContent(); // Trace调试注入 if (Env::get('app_trace', Config::get('app_trace'))) { Debug::inject($this, $data); } if (200 == $this->code) { $cache = Request::instance()->getCache(); if ($cache) { $this->header['Cache-Control'] = 'max-age=' . $cache[1] . ',must-revalidate'; $this->header['Last-Modified'] = gmdate('D, d M Y H:i:s') . ' GMT'; $this->header['Expires'] = gmdate('D, d M Y H:i:s', $_SERVER['REQUEST_TIME'] + $cache[1]) . ' GMT'; Cache::set($cache[0], [$data, $this->header], $cache[1]); } } if (!headers_sent() && !empty($this->header)) { // 发送状态码 http_response_code($this->code); // 发送头部信息 foreach ($this->header as $name => $val) { if (is_null($val)) { header($name); } else { header($name . ':' . $val); } } } echo $data; if (function_exists('fastcgi_finish_request')) { // 提高页面响应 fastcgi_finish_request(); } // 监听response_end Hook::listen('response_end', $this); // 清空当次请求有效的数据 if (!($this instanceof RedirectResponse)) { Session::flush(); } } /** * 处理数据 * @access protected * @param mixed $data 要处理的数据 * @return mixed */ protected function output($data) { return $data; } /** * 输出的参数 * @access public * @param mixed $options 输出参数 * @return $this */ public function options($options = []) { $this->options = array_merge($this->options, $options); return $this; } /** * 输出数据设置 * @access public * @param mixed $data 输出数据 * @return $this */ public function data($data) { $this->data = $data; return $this; } /** * 设置响应头 * @access public * @param string|array $name 参数名 * @param string $value 参数值 * @return $this */ public function header($name, $value = null) { if (is_array($name)) { $this->header = array_merge($this->header, $name); } else { $this->header[$name] = $value; } return $this; } /** * 设置页面输出内容 * @param $content * @return $this */ public function content($content) { if (null !== $content && !is_string($content) && !is_numeric($content) && !is_callable([ $content, '__toString', ]) ) { throw new \InvalidArgumentException(sprintf('variable type error: %s', gettype($content))); } $this->content = (string) $content; return $this; } /** * 发送HTTP状态 * @param integer $code 状态码 * @return $this */ public function code($code) { $this->code = $code; return $this; } /** * LastModified * @param string $time * @return $this */ public function lastModified($time) { $this->header['Last-Modified'] = $time; return $this; } /** * Expires * @param string $time * @return $this */ public function expires($time) { $this->header['Expires'] = $time; return $this; } /** * ETag * @param string $eTag * @return $this */ public function eTag($eTag) { $this->header['ETag'] = $eTag; return $this; } /** * 页面缓存控制 * @param string $cache 状态码 * @return $this */ public function cacheControl($cache) { $this->header['Cache-control'] = $cache; return $this; } /** * 页面输出类型 * @param string $contentType 输出类型 * @param string $charset 输出编码 * @return $this */ public function contentType($contentType, $charset = 'utf-8') { $this->header['Content-Type'] = $contentType . '; charset=' . $charset; return $this; } /** * 获取头部信息 * @param string $name 头部名称 * @return mixed */ public function getHeader($name = '') { if (!empty($name)) { return isset($this->header[$name]) ? $this->header[$name] : null; } else { return $this->header; } } /** * 获取原始数据 * @return mixed */ public function getData() { return $this->data; } /** * 获取输出数据 * @return mixed */ public function getContent() { if (null == $this->content) { $content = $this->output($this->data); if (null !== $content && !is_string($content) && !is_numeric($content) && !is_callable([ $content, '__toString', ]) ) { throw new \InvalidArgumentException(sprintf('variable type error: %s', gettype($content))); } $this->content = (string) $content; } return $this->content; } /** * 获取状态码 * @return integer */ public function getCode() { return $this->code; } }