路由缓存概念
路由缓存？也就是根据路由(url)进行的数据缓存策略，它可以帮助你快速针对接口增加缓存，再也不用写数据缓存了 ～ 路由缓存，一步到位 ～
配置参数
本实现方案支持如下参数
- 1.路由，这不用说，基础的
- 2.header 参数
- 3.get 参数(也就是 url 里拼接的参数例如：/api/{uid}/info)
- 4.自定义参数，避免缓存 key 有冲突
- 5.缓存时长配置参数
下面说说实现方案吧！简单说就是中间件
实现过程一
首先，我们先创建一个中间件，用来写主逻辑(连接缓存驱动，如 Redis，创建缓存、删除缓存等)，直接看代码吧！
- /laravel/app/Http/Middleware/HttpCacheMiddleware.php
<?php
namespace App\Http\Middleware;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Database\Eloquent\Model;
class HttpCacheMiddleware
{
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return mixed
*/
public function handle($request, Closure $next)
{
if (config('http_cache.enabled')) {
$response = self::get($request);
if (is_null($response)) {
$response = $next($request);
self::cache($request, $response);
}
return $response;
} else {
return $next($request);
}
}
/**
* Cache a request defined in http cache config file.
*
* @param Request $request
* @param $response
*/
private static function cache(Request $request, $response)
{
$uri = $request->route()->uri;
$method = strtolower($request->method());
if ($method != 'get' || !app('config')->has('http_cache.' . $uri)) {
return;
}
list($routeParamFields, $inputFields, $headerFields, $cacheGroupKey, $cacheSeconds) =
app('config')->get('http_cache.' . $uri);
$routeParamKey = self::assemble($routeParamFields, $request->route()->parameters());
$inputKey = self::assemble($inputFields, $request->input());
$headerKey = self::headerAssemble($headerFields, $request->header());
$cacheKey = implode(':', [$routeParamKey, $inputKey, $headerKey]);
cache()->tags('HttpCache:' . $cacheGroupKey)->put($cacheKey, $response, $cacheSeconds);
}
/**
* Get a request cache defined in http cache config file.
*
* @param Request $request
* @return mixed|null
*/
private static function get(Request $request)
{
$uri = $request->route()->uri;
$method = strtolower($request->method());
if ($method != 'get' || !app('config')->has('http_cache.' . $uri)) {
return null;
}
list($routeParamFields, $inputFields, $headerFields, $cacheGroupKey, $cacheSeconds) =
app('config')->get('http_cache.' . $uri);
$routeParamKey = self::assemble($routeParamFields, $request->route()->parameters());
$inputKey = self::assemble($inputFields, $request->input());
$headerKey = self::headerAssemble($headerFields, $request->header());
$cacheKey = implode(':', [$routeParamKey, $inputKey, $headerKey]);
return cache()->tags('HttpCache:' . $cacheGroupKey)->get($cacheKey);
}
/**
* Assemble cache key components.
*
* @param array $fields
* @param array $values
* @return string
*/
private static function headerAssemble($fields, $values)
{
$result = [];
foreach ($fields as $field) {
$field = strtolower($field);
$value = array_get($values, $field);
if (is_array($value)) {
$value = head($value);
}
$result[$field] = strtolower($value);
}
return http_build_query($result);
}
/**
* Assemble cache key components.
*
* @param array $fields
* @param array $values
* @return string
*/
private static function assemble($fields, $values)
{
$result = [];
foreach ($fields as $field) {
$value = array_get($values, $field);
if ($value instanceof Model) {
$value = $value->id;
}
$result[$field] = $value;
}
return http_build_query($result);
}
/**
* Forget a http cache defined in http cache config file.
*
* @param $uri
*/
public static function forget($uri)
{
if (!app('config')->has('http_cache.' . $uri)) {
return;
}
$cacheGroupKey = app('config')->get('http_cache.' . $uri . '.3');
cache()->tags('HttpCache:' . $cacheGroupKey)->flush();
}
}
实现过程二
代码中，你肯定发现了“config('http_cache.enabled')”，没错，我们还得搞一个配置文件
- /laravel/config/http_cache.php
<?php
return [
'enabled' => env('ROUTE_CACHE_ENABLED', true),
'sample_uri' => [ // only for GET method
['route_param_key1'], // route param fields
['input1', 'input2'], // input fields
['header1', 'header2'], // header fields
'cache_group_key', // cache key
24 * 60, // cache seconds
],
'api/config' => [
[],//url路由里的动态参数
['appid', ],//传递参数
[],//header参数
'app_config',
3600,
],
// 'api/info/index' => [
// [],//url路由里的动态参数
// ['type', ],//传递参数
// [],//header参数
// 'infos',
// 5,
// ],
'api/info/conditions' => [
[],//url路由里的动态参数
['show_all', 'level'],//传递参数
[],//header参数
'infos',
60,
],
];
实现过程三
最后，就是如何使用这个中间件了，很简单，配置一下即可！
- /laravel/app/Http/Kernel.php
<?php
namespace App\Http;
use Illuminate\Foundation\Http\Kernel as HttpKernel;
class Kernel extends HttpKernel
{
/**
* 应用程序的全局HTTP中间件堆栈。
*
* 这些中间件在对您的应用程序的每次请求期间运行。
*
* @var array
*/
protected $middleware = [
\App\Http\Middleware\TrustProxies::class,
\App\Http\Middleware\CheckForMaintenanceMode::class,
\Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
\App\Http\Middleware\TrimStrings::class,
\Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
\App\Http\Middleware\Cors::class,
];
/**
* 应用程序的路由中间件组。
*
* @var array
*/
protected $middlewareGroups = [
'web' => [
\App\Http\Middleware\EncryptCookies::class,
\Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
\Illuminate\Session\Middleware\StartSession::class,
// \Illuminate\Session\Middleware\AuthenticateSession::class,
\Illuminate\View\Middleware\ShareErrorsFromSession::class,
\App\Http\Middleware\VerifyCsrfToken::class,
\Illuminate\Routing\Middleware\SubstituteBindings::class,
],
'api' => [
'throttle:10000,1',
'bindings',
'http_cache',// 路由缓存生效的地方
],
];
/**
* 应用程序的路由中间件。
*
* 这些中间件可以分配给组，也可以单独使用。
*
* @var array
*/
protected $routeMiddleware = [
'auth' => \App\Http\Middleware\Authenticate::class,
'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,
'can' => \Illuminate\Auth\Middleware\Authorize::class,
'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
'signed' => \Illuminate\Routing\Middleware\ValidateSignature::class,
'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
'verified' => \Illuminate\Auth\Middleware\EnsureEmailIsVerified::class,
//'cros' => \App\Http\Middleware\Cors::class,
'http_cache' => \App\Http\Middleware\HttpCacheMiddleware::class,//路由缓存配置
];
/**
* 优先级排序的中间件列表。
*
* 这将强制非全局中间件始终处于给定顺序
*
* @var array
*/
protected $middlewarePriority = [
\Illuminate\Session\Middleware\StartSession::class,
\Illuminate\View\Middleware\ShareErrorsFromSession::class,
\App\Http\Middleware\Authenticate::class,
\Illuminate\Session\Middleware\AuthenticateSession::class,
\Illuminate\Routing\Middleware\SubstituteBindings::class,
\Illuminate\Auth\Middleware\Authorize::class,
];
}
整体就完成了 ～ 从此接口速度提升百倍，就靠它了 ～
理论上支持 laravel 全部版本，不同版本用户自行修改一下代码即可 ～
🐶 你走，我不送你。你来，风雨无阻，我去接你。