thinkphp/library/think/Response.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 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;
    }

    /**