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<?php

class Product
{
    public function getById($id)
    {
        // ´ÓÊý¾Ý¿â»ò»º´æÖлñÈ¡Ö¸¶¨IDµÄÉÌÆ·Êý¾Ý
    }

    public function search($keywords)
    {
        // ƾ֤Ҫº¦´ÊÅÌÎÊÉÌÆ·Êý¾Ý²¢¾ÙÐÐÅÅÐòºÍ¹ýÂ˲Ù×÷£¬·µ»ØЧ¹û
    }
}

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<?php

class SearchEngine
{
    private $product;

    public function __construct()
    {
        $this->product = new Product();
    }

    public function search($keywords)
    {
        // ŲÓÃÉÌÆ·Êý¾Ý²Ù×÷ÀàµÄÒªÁ죬»ñȡЧ¹û
        $data = $this->product->search($keywords);

        // ¶ÔЧ¹û¾ÙÐд¦Àí£¬·µ»Ø¸øÇ°¶Ë²ã
        return $this->formatData($data);
    }

    private function formatData($data)
    {
        // ÃûÌû¯Ð§¹û£¬ÌìÉúJSONÃûÌõÄÊý¾Ý
        return json_encode($data);
    }
}

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<?php

require_once 'vendor/autoload.php';

$http = new swoole_http_server('0.0.0.0', 80);

$http->on('request', function ($request, $response) {
    // »ñÈ¡Óû§ÅÌÎʵÄÒªº¦´Ê
    $keywords = $request->get['keywords'];

    // ŲÓÃÖÐÑë²ãÀàµÄÒªÁ죬¾ÙÐÐÉÌÆ·ËÑË÷
    $searchEngine = new SearchEngine();
    $result = $searchEngine->search($keywords);

    // ·µ»ØËÑË÷Ч¹û
    $response->header('Content-Type', 'application/json');
    $response->end($result);
});

$http->start();

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