Laravel 5 how to set Cache-Control HTTP header globally?(Laravel 5 如何全局设置 Cache-Control HTTP 标头?)

问题描述

我的 Laravel 应用程序默认为每个站点返回 Cache-Control: no-cache, private HTTP 标头.我该如何改变这种行为?

My Laravel application is returning Cache-Control: no-cache, private HTTP header by default for each site. How can I change this behaviour?

P.S.:这不是 PHP.ini 的问题，因为将 session.cache_limiter 更改为 empty/public 不会改变任何东西.

P.S.: It is not a PHP.ini problem, because changing session.cache_limiter to empty/public does not change anything.

推荐答案

Laravel 5.5 <

您可以为此拥有一个全局中间件.类似:

Laravel 5.5 <

You can have a global middleware for that. something like:

<?php

namespace AppHttpMiddleware;

use Closure;

class CacheControl
{
    public function handle($request, Closure $next)
    {
        $response = $next($request);

        $response->header('Cache-Control', 'no-cache, must-revalidate');
        // Or whatever you want it to be:
        // $response->header('Cache-Control', 'max-age=100');

        return $response;
    }
}

然后将其注册为内核文件中的全局中间件:

then just register this as a global middleware in the Kernel file:

protected $middleware = [
    ....
    AppHttpMiddlewareCacheControl::class
];

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