Improved AfterExecute event of hyperf/command (#6233)

Author: huangdijia

src/Command.php

@@ -445,7 +445,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
                 $this->eventDispatcher->dispatch(new Event\FailToHandle($this, $exception));
             } finally {
-                $this->eventDispatcher?->dispatch(new Event\AfterExecute($this));
+                $this->eventDispatcher?->dispatch(new Event\AfterExecute($this, $exception ?? null));
             }
 
             return $this->exitCode;

src/Event/AfterExecute.php

@@ -11,6 +11,18 @@
  */
 namespace Hyperf\Command\Event;
 
+use Hyperf\Command\Command;
+use Throwable;
+
 class AfterExecute extends Event
 {
+    public function __construct(Command $command, protected ?Throwable $throwable = null)
+    {
+        parent::__construct($command);
+    }
+
+    public function getThrowable(): ?Throwable
+    {
+        return $this->throwable;
+    }
 }