app/home/middleware/CheckRequestCache.php

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?php
/**
 * 人人站CMS
 * ============================================================================
 * 版权所有 2015-2030 山东康程信息科技有限公司，并保留所有权利。
 * 网站地址: http://www.rrzcms.com
 * ----------------------------------------------------------------------------
 * 如果商业用途务必到官方购买正版授权, 以免引起不必要的法律纠纷.
 * ============================================================================
 */

namespace app\home\middleware;

use think\middleware\CheckRequestCache as base;
use think\Request;
use think\Response;
use Closure;

/**
 * Class CheckRequestCache
 * @package app\home\middleware
 */
class CheckRequestCache extends base
{

    /**
     * 设置当前地址的请求缓存
     * @access public
     * @param Request $request
     * @param Closure $next
     * @param mixed $cache
     * @return Response
     */
    public function handle($request, Closure $next, $cache = null) {
        $browser = sysConfig('webcache.browser', null, 1);//客户端缓存
        $html = sysConfig('webcache.html', null, 1);//静态页缓存
        if ($request->isGet() && false !== $cache) {
            if (false === $this->config['request_cache_key']) {
                // 关闭当前缓存
                $cache = false;
            }

            $cache = $cache ?? $this->getRequestCache($request);

            if ($cache) {
                if (is_array($cache)) {
                    [$key, $expire, $tag] = array_pad($cache, 3, null);
                } else {
                    $key = md5($request->url(true));
                    $expire = $cache;
                    $tag = null;
                }

                $key = $this->parseCacheKey($request, $key);
                if ($browser && $key && $this->cache->has($key) && strtotime($request->server('HTTP_IF_MODIFIED_SINCE', '')) + $expire > $request->server('REQUEST_TIME')) {
                    // 读取缓存
                    return Response::create()->code(304);
                } elseif ($html && $key && ($hit = $this->cache->get($key)) !== null) {
                    [$content, $header, $when] = $hit;
                    return Response::create($content)->header($header);