这是实现缓存锁的方法:
>让我们用一个实用的webhook处理示例来说明:
use Illuminate\Support\Facades\Cache; $lock = Cache::lock('process-payment', 120); // Creates a lock named 'process-payment' lasting 120 seconds if ($lock->get()) { // Payment processing logic here. The lock is automatically released after 120 seconds. }
>此示例演示了如何获取锁,处理受保护块中的网络钩,并可靠地释放锁,即使在并发请求下,也可以确保数据完整性。 Laravel的缓存锁提供了一种可靠的机制,用于管理并发过程并保持应用程序稳定性。
<?php namespace App\Http\Controllers; use Illuminate\Support\Facades\Cache; use App\Jobs\ProcessWebhook; use Illuminate\Http\Request; use Log; use Exception; class WebhookController extends Controller { public function handle(Request $request) { $webhookId = $request->input('webhook_id'); $lockName = "webhook-{$webhookId}"; $lock = Cache::lock($lockName, 60); try { if (!$lock->get()) { Log::info("Webhook {$webhookId} is already being processed"); return response()->json(['message' => 'Webhook is being processed'], 409); } $this->validateWebhook($request); // Validation step ProcessWebhook::dispatch($request->all(), $lock->owner())->onQueue('webhooks'); return response()->json(['message' => 'Webhook accepted', 'processing_id' => $lock->owner()]); } catch (Exception $e) { $lock?->release(); throw $e; } } } class ProcessWebhook implements ShouldQueue { public function __construct(private array $payload, private string $lockOwner) {} public function handle() { $lock = Cache::restoreLock("webhook-{$this->payload['webhook_id']}", $this->lockOwner); try { $this->processWebhookPayload(); // Webhook processing logic } finally { $lock->release(); // Ensure lock release even on errors } } }
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