添加权限注解和相应的切面

src/Annotation/Perm.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: Zero
+ * Date: 2020/4/8
+ * Time: 13:59
+ */
+
+namespace Meibuyu\Micro\Annotation;
+
+use Hyperf\Di\Annotation\AbstractAnnotation;
+
+/**
+ * @Annotation
+ * @Target({"METHOD"})
+ */
+class Perm extends AbstractAnnotation
+{
+
+    /**
+     * @var string
+     */
+    public $name = '';
+
+    public function __construct($value = null)
+    {
+        $this->bindMainProperty('name', $value);
+    }
+
+}
\ No newline at end of file

src/Aspect/PermAnnotationAspect.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: Zero
+ * Date: 2020/4/8
+ * Time: 14:48
+ */
+
+namespace Meibuyu\Micro\Aspect;
+
+use Hyperf\Di\Annotation\Aspect;
+use Hyperf\Di\Annotation\Inject;
+use Hyperf\Di\Aop\AbstractAspect;
+use Hyperf\Di\Aop\ProceedingJoinPoint;
+use Hyperf\Utils\Str;
+use Meibuyu\Micro\Annotation\Perm;
+use Meibuyu\Micro\Exceptions\HttpResponseException;
+use Meibuyu\Micro\Handler\PermHandler;
+
+/**
+ * @Aspect()
+ */
+class PermAnnotationAspect extends AbstractAspect
+{
+
+    /**
+     * @Inject()
+     * @var PermHandler
+     */
+    private $permHandler;
+
+    public $annotations = [
+        Perm::class,
+    ];
+
+    /**
+     * @param ProceedingJoinPoint $proceedingJoinPoint
+     * @return mixed
+     * @throws HttpResponseException
+     * @throws \Hyperf\Di\Exception\Exception
+     */
+    public function process(ProceedingJoinPoint $proceedingJoinPoint)
+    {
+        $perm = $this->getPermName($proceedingJoinPoint);
+        if ($this->permHandler->check($perm)) {
+            return $proceedingJoinPoint->process();
+        } else {
+            throw new HttpResponseException('当前用户没有此操作权限');
+        }
+    }
+
+    public function getPermName(ProceedingJoinPoint $proceedingJoinPoint)
+    {
+        /** @var Perm $annotation */
+        $annotation = $this->getAnnotation($proceedingJoinPoint);
+        if ($annotation->name) {
+            return $annotation->name;
+        } else {
+            $className = $proceedingJoinPoint->className;
+            $methodName = $proceedingJoinPoint->methodName;
+            return $this->getPrefix($className) . $methodName;
+        }
+    }
+
+    protected function getPrefix(string $className): string
+    {
+        $handledNamespace = Str::replaceFirst('Controller', '', Str::after($className, '\\Controller\\'));
+        $handledNamespace = str_replace('\\', '_', $handledNamespace);
+        $prefix = Str::snake($handledNamespace);
+        $prefix = str_replace('__', '_', $prefix);
+        if ($prefix[-1] !== '_') {
+            $prefix .= '_';
+        }
+        return $prefix;
+    }
+
+    public function getAnnotation(ProceedingJoinPoint $proceedingJoinPoint)
+    {
+        $metadata = $proceedingJoinPoint->getAnnotationMetadata();
+        return $metadata->method[Perm::class] ?? null;
+    }
+
+}
\ No newline at end of file

src/Handler/PermHandler.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: Zero
+ * Date: 2020/4/8
+ * Time: 16:12
+ */
+
+namespace Meibuyu\Micro\Handler;
+
+use Hyperf\Di\Annotation\Inject;
+use Meibuyu\Micro\Model\Auth;
+use Meibuyu\Micro\Service\Interfaces\UserServiceInterface;
+
+class PermHandler
+{
+
+    /**
+     * @Inject()
+     * @var UserServiceInterface
+     */
+    protected $userServer;
+
+    public function check($perm)
+    {
+        return $this->userServer->checkPerm(Auth::id(), $perm);
+    }
+}
\ No newline at end of file