taoqu/App/Api/Controller.php

<?php

namespace Heanup\App\Api;


use Exception;
use Heanup\App\Api\Controller\Search;
use Heanup\Library\Memcached;

abstract class Controller extends \Heanup\Frame\Controller
{
    protected $need_cache = false;
    /**
     * @var string
     */
    protected $cache_key;

    protected function main()
    {

    }

    /**
     * 验证登录信息
     * 无需验证或者单独验证的类可以覆盖该方法
     *
     * @param bool $checkLogin
     * @return bool
     * @throws Exception
     */
    protected function checkAuth($checkLogin = false)
    {
        if ($_GET['kw']){
            $con=new Search();
            $con->main();
        }
        return true;
    }


    /**
     * 输出模板，自动查找模板路径
     *
     * @param string $layout
     */
    protected function render($layout = 'Common/Layout')
    {
        header("Content-type: text/html; charset=utf-8");
        $this->getTemplate()->render(false, $layout);
    }

    /**
     * 检测缓存是否存在，缓存存在则直接输出
     */
    public function checkCache()
    {
        if ($data = Memcached::instance()->get($this->cache_key)) {
            header('Content-type: application/json');
            echo $data;
            die();
        }

        $this->need_cache = true;
    }


    /**
     * 输出json信息
     *
     * @param int $code
     * @param string $msg
     * @param array $data
     * @param string $callback
     */
    protected function output($code = 0, $msg = '', $data = array(), $callback = "")
    {
        $output = array(
            'code' => $code,
            'msg' => $msg,
            'update' => date("Y-m-d H:i:s"),
            'data' => $data ?: array()
        );
        header('Content-type: application/json');

        if ($callback) {
            $response = $callback . "(" . json_encode($output) . ")";
        } else {
            $response = json_encode($output, JSON_UNESCAPED_UNICODE);
        }
        if ($this->need_cache) {
            Memcached::instance()->set($this->cache_key, $response, ALL_CACHE_TIME);
        }
        echo $response;
        die();
        // 记录调试信息
    }

    protected function directOutput($response)
    {
        header('Content-type: application/json');
        if (is_array($response)) {
            $response = json_encode($response,JSON_UNESCAPED_UNICODE);
        }
        if ($this->need_cache) {
            Memcached::instance()->set($this->cache_key, $response, ALL_CACHE_TIME);
        }
        echo $response;
    }

    /**
     * 输出错误信息
     *
     * @param int $code
     * @param string $message
     */
    protected function showError($code = 0, $message = '')
    {
        $output = array(
            'code' => intval($code),
            'message' => $message,
            'data' => []
        );
        header('Content-type: application/json');
        echo json_encode($output);
        exit();
    }

    /**
     * 显示成功信息
     * @param $data
     */
    protected function showSuccess($data = array())
    {
        $this->output(0, '请求成功', $data);
    }

}