feat : Proxy Remote Fail

document/proxy.md

@@ -18,3 +18,80 @@
 - MyBatis：Mapper接口的代理实现 
 - RPC框架：远程服务调用的本地代理 
 - 图片懒加载：先显示缩略图代理，点击再加载原图
+
+
+```php 
+//error remote service
+<?php
+
+// 订单服务接口
+interface OrderService {
+    public function createOrder(array $data): array;
+}
+
+// 本地服务实现
+class LocalOrderService implements OrderService {
+    public function createOrder(array $data): array {
+        // 本地创建订单逻辑
+        return ['order_id' => uniqid(), 'status' => 'created'];
+    }
+}
+
+// 远程服务代理
+class RemoteOrderServiceProxy implements OrderService {
+    private $rpcClient;
+    
+    public function __construct() {
+        $this->rpcClient = ApplicationContext::getContainer()
+            ->get(\Hyperf\RpcClient\Proxy\AbstractProxyService::class);
+    }
+    
+    public function createOrder(array $data): array {
+        // 添加额外的元数据
+        $data['request_id'] = uniqid();
+        $data['timestamp'] = time();
+        
+        // 记录请求日志
+        $logger = ApplicationContext::getContainer()
+            ->get(\Hyperf\Logger\LoggerFactory::class)
+            ->get('rpc');
+        $logger->info('Sending order creation request', $data);
+        
+        // 调用远程服务
+        try {
+            $response = $this->rpcClient->__call('OrderService.createOrder', [$data]);
+            $logger->info('Order created successfully', ['response' => $response]);
+            return $response;
+        } catch (\Throwable $e) {
+            $logger->error('Order creation failed', ['error' => $e->getMessage()]);
+            throw $e;
+        }
+    }
+}
+
+// 配置依赖
+// config/autoload/dependencies.php
+return [
+    OrderService::class => RemoteOrderServiceProxy::class, // 使用远程代理
+    // 或者
+    // OrderService::class => LocalOrderService::class, // 使用本地服务
+];
+
+// 在控制器中使用
+class OrderController extends AbstractController
+{
+    /**
+     * @Inject
+     * @var OrderService
+     */
+    private $orderService;
+    
+    public function create()
+    {
+        $data = $this->request->all();
+        $result = $this->orderService->createOrder($data);
+        return $this->response->json($result);
+    }
+}
+
+```