swoft學習筆記之response篇

響應對象 response

響應對象 Response 爲 Swoft\Http\Message\Response

查看 response 對象源碼，文件路徑爲 vendor/swoft/http-message/src/Response.php

class Response implements ResponseInterface
{
    use CookiesTrait, MessageTrait, PrototypeTrait;
    
    .
    .
    .
}

可知 response 對象實現了 ResponseInterface 接口，另外引用 CookiesTrait, MessageTrait, PrototypeTrait 三個trait

響應對象 response 的獲取

• 通過控制器方法注入
• 通過請求上下文獲取

<?php declare(strict_types=1);

namespace App\Http\Controller;

use Swoft\Context\Context;
use Swoft\Http\Message\ContentType;
use Swoft\Http\Message\Request;
use Swoft\Http\Message\Response;
use Swoft\Http\Server\Annotation\Mapping\Controller;
use Swoft\Http\Server\Annotation\Mapping\RequestMapping;

/**
 * Class TestController
 * @package App\Http\Controller
 * @Controller(prefix="test")
 */
class TestController
{
    /**
     * @RequestMapping(route="index")
     * @param Request $request
     * @return Response
     */
    public function index(Request $request) : Response
    {
        $path    = $request->getUriPath();
        $headers = $request->getHeaders();

        $data    = [
            'path'    => $path,
            'headers' => $headers,
        ];

        $headers = [
            'token' => 'akdhfheiwoadskajkdjoihh=ahdiu0-2hds',
        ];
        $response = Context::mustGet()->getResponse();
        return $response->withStatus(200)
            ->withContentType(ContentType::JSON)
            ->withHeaders($headers)
            ->withData($data);
    }

    /**
     * @RequestMapping(route="test")
     * @param Request $request
     * @param Response $response
     * @return Response
     */
    public function test(Request $request,Response $response)
    {
        return $response->withData(['name'=>'swoft']);
    }
}

返回響應信息

設置狀態碼

    $response = \Swoft\Context\Context::mustGet()->Response();
    return $response->withStatus(403);

輸出字符串

    return $response->withContent("Hello World");

輸出數組

    $data = ['name'=>'swoft'];
    return $response->withData($data);

輸出頭信息

    $headers = ['token'=>'dhsjagfuigfiugu=-dsah=dsaj'];
    return $response->withHeaders($headers);

重定向

    return $response->redirect("http://www.swoft.org",302);

文件下載

    return $response->file(\alias('@runtime/1.zip'), "application/octet-stream");

設置 cookie

    $response = $response->withCookie(’name', 'value');

    $cookies = [
        'key1' => 'value1',
        'key2' => ['value' => 'value2'],
    ];
    $response = $response->withCookies($cookies);

其他方法

還有很多方法，比如設置返回數據 Json 類型等，在這裏就不一一羅列了，可以查看源代碼或者官方文檔查看，另外注意 is 開頭的方法，有助於理解標準的 http 狀態碼的意義。