library\think\Response.php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st
// +----------------------------------------------------------------------
namespace think;
use think\Cache;
use think\Config;
use think\Debug;
use think\Env;
use think\Request;
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;
/**
* 架构函数
* @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);
$this->header = $header;
$this->code = $code;
if (!empty($options)) {
$this->options = array_merge($this->options, $options);
}
$this->contentType($this->contentType, $this->charset);
}
/**
* 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()
{
// 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, $data);
}
if (!headers_sent() && !empty($this->header)) {
// 发送状态码
http_response_code($this->code);
// 发送头部信息
foreach ($this->header as $name => $val) {
header($name . ':' . $val);
}
}
if (200 == $this->code) {
$cache = Request::instance()->getCache();
if ($cache) {
header('Cache-Control: max-age=' . $cache[1] . ',must-revalidate');
header('Last-Modified:' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Expires:' . gmdate('D, d M Y H:i:s', $_SERVER['REQUEST_TIME'] + $cache[1]) . ' GMT');
$header['Content-Type'] = $this->header['Content-Type'];
Cache::set($cache[0], [$data, $header], $cache[1]);
}
}
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);
}
/**
* 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 = '')
{
return !empty($name) ? $this->header[$name] : $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;
}
}