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348 lines
8.4 KiB
PHP
348 lines
8.4 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think;
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use think\Hook;
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use think\Request;
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class Response
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{
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// 输出类型的实例化对象
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protected static $instance = [];
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// 输出数据的转换方法
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protected $transform;
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// 原始数据
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protected $data;
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// 输出类型
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protected $type;
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// 当前的contentType
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protected $contentType;
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// 可用的输出类型
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protected $contentTypes = [
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'json' => 'application/json',
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'xml' => 'text/xml',
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'html' => 'text/html',
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'jsonp' => 'application/javascript',
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'script' => 'application/javascript',
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'text' => 'text/plain',
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];
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// 输出参数
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protected $options = [];
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// header参数
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protected $header = [];
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/**
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* 架构函数
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* @access public
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* @param mixed $data 输出数据
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* @param string $type 输出类型
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* @param array $options 输出参数
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*/
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public function __construct($data = '', $type = '', $options = [])
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{
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$this->data = $data;
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$this->type = empty($type) ? 'null' : strtolower($type);
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if (isset($this->contentTypes[$this->type])) {
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$this->contentType($this->contentTypes[$this->type]);
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}
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if (!empty($options)) {
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$this->options = array_merge($this->options, $options);
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}
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// 方便获取某个类型的实例
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self::$instance[$this->type] = $this;
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}
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/**
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* 创建Response对象
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* @access public
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* @param mixed $data 输出数据
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* @param string $type 输出类型
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* @param array $options 输出参数
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* @return Response
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*/
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public static function create($data = '', $type = '', $options = [])
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{
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$type = empty($type) ? 'null' : strtolower($type);
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if (!isset(self::$instance[$type])) {
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$class = (isset($options['namespace']) ? $options['namespace'] : '\\think\\response\\') . ucfirst($type);
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if (class_exists($class)) {
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$response = new $class($data, $type, $options);
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} else {
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$response = new static($data, $type, $options);
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}
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self::$instance[$type] = $response;
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}
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return self::$instance[$type];
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}
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/**
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* 发送数据到客户端
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* @access public
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* @return mixed
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* @throws \InvalidArgumentException
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*/
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public function send()
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{
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if (isset($this->contentType)) {
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$this->contentType($this->contentType);
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}
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defined('RESPONSE_TYPE') or define('RESPONSE_TYPE', $this->type);
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// 处理输出数据
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$data = $this->getContent();
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// 监听response_data
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Hook::listen('response_data', $data, $this);
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// 发送头部信息
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if (!headers_sent() && !empty($this->header)) {
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// 发送状态码
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if (isset($this->header['status'])) {
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http_response_code($this->header['status']);
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unset($this->header['status']);
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}
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foreach ($this->header as $name => $val) {
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header($name . ':' . $val);
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}
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}
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if (is_scalar($data)) {
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echo $data;
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} elseif (!is_null($data)) {
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throw new \InvalidArgumentException('variable type error：' . gettype($data));
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}
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if (function_exists('fastcgi_finish_request')) {
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// 提高页面响应
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fastcgi_finish_request();
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}
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return $data;
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}
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/**
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* 处理数据
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* @access protected
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* @param mixed $data 要处理的数据
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* @return mixed
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*/
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protected function output($data)
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{
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return $data;
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}
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/**
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* 转换控制器输出的数据
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* @access public
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* @param mixed $callback 调用的转换方法
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* @return $this
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*/
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public function transform($callback)
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{
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$this->transform = $callback;
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return $this;
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}
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/**
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* 输出的参数
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* @access public
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* @param mixed $options 输出参数
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* @return $this
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*/
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public function options($options = [])
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{
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$this->options = array_merge($this->options, $options);
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return $this;
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}
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/**
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* 输出数据设置
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* @access public
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* @param mixed $data 输出数据
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* @return $this
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*/
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public function data($data)
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{
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$this->data = $data;
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return $this;
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}
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/**
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* 返回封装后的API数据到客户端
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* @access public
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* @param mixed $data 要返回的数据
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* @param integer $code 返回的code
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* @param string $msg 提示信息
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* @return mixed
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*/
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public function result($data, $code = 0, $msg = '')
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{
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$result = [
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'code' => $code,
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'msg' => $msg,
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'time' => $_SERVER['REQUEST_TIME'],
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'data' => $data,
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];
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return $this->data($result);
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}
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/**
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* 设置响应头
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* @access public
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* @param string|array $name 参数名
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* @param string $value 参数值
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* @return $this
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*/
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public function header($name, $value = null)
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{
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if (is_array($name)) {
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$this->header = array_merge($this->header, $name);
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} else {
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$this->header[$name] = $value;
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}
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return $this;
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}
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/**
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* 发送HTTP Location
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* @param string $url Location地址
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* @return $this
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*/
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public function location($url)
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{
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$this->header['Location'] = $url;
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return $this;
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}
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/**
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* 发送HTTP状态
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* @param integer $code 状态码
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* @return $this
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*/
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public function code($code)
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{
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$this->header['status'] = $code;
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return $this;
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}
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/**
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* LastModified
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* @param string $time
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* @return $this
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*/
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public function lastModified($time)
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{
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$this->header['Last-Modified'] = $time;
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return $this;
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}
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/**
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* Expires
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* @param string $time
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* @return $this
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*/
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public function expires($time)
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{
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$this->header['Expires'] = $time;
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return $this;
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}
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/**
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* ETag
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* @param string $etag
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* @return $this
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*/
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public function eTag($etag)
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{
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$this->header['etag'] = $etag;
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return $this;
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}
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/**
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* 页面缓存控制
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* @param string $cache 状态码
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* @return $this
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*/
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public function cacheControl($cache)
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{
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$this->header['Cache-control'] = $cache;
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return $this;
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}
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/**
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* 页面输出类型
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* @param string $contentType 输出类型
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* @param string $charset 输出编码
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* @return $this
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*/
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public function contentType($contentType, $charset = 'utf-8')
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{
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$this->header['Content-Type'] = $contentType . '; charset=' . $charset;
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return $this;
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}
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/**
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* 获取头部信息
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* @param string $name 头部名称
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* @return mixed
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*/
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public function getHeader($name = '')
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{
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return !empty($name) ? $this->header[$name] : $this->header;
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}
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/**
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* 获取原始数据
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* @return mixed
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*/
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public function getData()
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{
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return $this->data;
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}
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/**
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* 获取输出数据
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* @return mixed
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*/
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public function getContent()
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{
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if (is_callable($this->transform)) {
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$data = call_user_func_array($this->transform, [$this->data]);
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}else{
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$data = $this->data;
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}
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return $this->output($data);
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}
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/**
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* 获取输出类型
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* @return string
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*/
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public function getType()
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{
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return $this->type;
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}
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/**
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* 获取状态码
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* @return integer
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*/
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public function getCode()
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{
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return isset($this->header['status']) ? $this->header['status'] : 200;
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}
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}
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