laravel的cache get是怎么进行调用的？（代码示例）

本文使用版本为laravel5.5

html' target='_blank'>public function cache() $c=/Cache::get( app  if(!$c) { /Cache::put( app , cache , 1); dump($c);//cache }

 aliases = [ App = Illuminate/Support/Facades/App::class, Artisan = Illuminate/Support/Facades/Artisan::class, Auth = Illuminate/Support/Facades/Auth::class, Blade = Illuminate/Support/Facades/Blade::class, Broadcast = Illuminate/Support/Facades/Broadcast::class, Bus = Illuminate/Support/Facades/Bus::class, Cache = Illuminate/Support/Facades/Cache::class, ]

使用cache实际调用的是Illuminate/Support/Facades/Cache,这个映射是如何做的？

$response = $kernel- handle($request = Illuminate/Http/Request::capture());

$app- singleton( Illuminate/Contracts/Http/Kernel::class, App/Http/Kernel::class);

use Illuminate/Foundation/Http/Kernel as HttpKernel;class Kernel extends HttpKernel}

public function handle($request) try { $request- enableHttpMethodParameterOverride(); $response = $this- sendRequestThroughRouter($request); } catch (Exception $e) { $this- reportException($e); $response = $this- renderException($request, $e); } catch (Throwable $e) { $this- reportException($e = new FatalThrowableError($e)); $response = $this- renderException($request, $e); $this- app[ events ]- dispatch( new Events/RequestHandled($request, $response) return $response;protected function sendRequestThroughRouter($request) $this- app- instance( request , $request); Facade::clearResolvedInstance( request  $this- bootstrap(); return (new Pipeline($this- app)) - send($request) - through($this- app- shouldSkipMiddleware() ? [] : $this- middleware) - then($this- dispatchToRouter()); public function bootstrap() if (! $this- app- hasBeenBootstrapped()) { $this- app- bootstrapWith($this- bootstrappers()); }

public function bootstrapWith(array $bootstrappers) $this- hasBeenBootstrapped = true; foreach ($bootstrappers as $bootstrapper) { $this[ events ]- fire( bootstrapping: .$bootstrapper, [$this]); $this- make($bootstrapper)- bootstrap($this); $this[ events ]- fire( bootstrapped: .$bootstrapper, [$this]); }

public function bootstrap(Application $app) Facade::clearResolvedInstances(); Facade::setFacadeApplication($app);//将config/app.php 里的aliases数组里面的Facades类设置别名 AliasLoader::getInstance(array_merge( $app- make( config )- get( app.aliases , []), $app- make(PackageManifest::class)- aliases() ))- register(); }

public function load($alias) if (static::$facadeNamespace strpos($alias, static::$facadeNamespace) === 0) { $this- loadFacade($alias); return true; // $alias来自于config/app.php中aliases数组  if (isset($this- aliases[$alias])) { // Route = Illuminate/Support/Facades/Route::class, // class_alias 为一个类创建别名 return class_alias($this- aliases[$alias], $alias); }

class Cache extends Facade * Get the registered name of the component. * @return string protected static function getFacadeAccessor() return cache }

这个文件没有get set ，只有__callStatic

public static function __callStatic($method, $args) $instance = static::getFacadeRoot(); if (! $instance) { throw new RuntimeException( A facade root has not been set.  return $instance- $method(...$args); public static function getFacadeRoot() return static::resolveFacadeInstance(static::getFacadeAccessor()); protected static function resolveFacadeInstance($name) //这里$name为cache if (is_object($name)) { return $name; if (isset(static::$resolvedInstance[$name])) { return static::$resolvedInstance[$name]; //$app是容器对象，实现了ArrayAccess接口，最终调用的还是容器的make方法 return static::$resolvedInstance[$name] = static::$app[$name]; }

public function make($abstract, array $parameters = []) return $this- resolve($abstract, $parameters); protected function resolve($abstract, $parameters = []) $abstract = $this- getAlias($abstract); $needsContextualBuild = ! empty($parameters) || ! is_null( $this- getContextualConcrete($abstract) // If an instance of the type is currently being managed as a singleton we ll // just return an existing instance instead of instantiating new instances // so the developer can keep using the same objects instance every time. if (isset($this- instances[$abstract]) ! $needsContextualBuild) { return $this- instances[$abstract]; $this- with[] = $parameters; $concrete = $this- getConcrete($abstract); // We re ready to instantiate an instance of the concrete type registered for // the binding. This will instantiate the types, as well as resolve any of // its nested dependencies recursively until all have gotten resolved. if ($this- isBuildable($concrete, $abstract)) { $object = $this- build($concrete); } else { $object = $this- make($concrete); // If we defined any extenders for this type, we ll need to spin through them // and apply them to the object being built. This allows for the extension // of services, such as changing configuration or decorating the object. foreach ($this- getExtenders($abstract) as $extender) { $object = $extender($object, $this); // If the requested type is registered as a singleton we ll want to cache off // the instances in memory so we can return it later without creating an // entirely new instance of an object on each subsequent request for it. if ($this- isShared($abstract) ! $needsContextualBuild) { $this- instances[$abstract] = $object; $this- fireResolvingCallbacks($abstract, $object); // Before returning, we will also set the resolved flag to true and pop off // the parameter overrides for this build. After those two things are done // we will be ready to return back the fully constructed class instance. $this- resolved[$abstract] = true; array_pop($this- with); return $object; }

 public function register() $this- app- singleton( cache , function ($app) { return new CacheManager($app); $this- app- singleton( cache.store , function ($app) { return $app[ cache ]- driver(); $this- app- singleton( memcached.connector , function () { return new MemcachedConnector; }

$instance- $method(...$args)

以上就是laravel的cache get是怎么进行调用的？（代码示例）的详细内容，PHP教程

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