添加通用外键关联异常捕获

src/ConfigProvider.php

@@ -18,6 +18,7 @@ class ConfigProvider
                 'handler' => [
                     'http' => [
                         \Meibuyu\Micro\Exceptions\Handler\MicroExceptionHandler::class,
+                        \Meibuyu\Micro\Exceptions\Handler\QueryExceptionHandler::class,
                     ],
                 ],
             ],

src/Exceptions/Handler/QueryExceptionHandler.php

+<?php
+
+/**
+ * Created by PhpStorm.
+ * User: zero
+ * Date: 2020/5/12
+ * Time: 16:11
+ */
+
+namespace Meibuyu\Micro\Exceptions\Handler;
+
+
+use Hyperf\Database\Exception\QueryException;
+use Hyperf\ExceptionHandler\ExceptionHandler;
+use Hyperf\HttpMessage\Stream\SwooleStream;
+use Psr\Http\Message\ResponseInterface;
+use Throwable;
+
+class QueryExceptionHandler extends ExceptionHandler
+{
+
+    public function handle(Throwable $throwable, ResponseInterface $response)
+    {
+        $code = $throwable->getCode();
+        $msg = $throwable->getMessage();
+        if ($code == 23000 && strpos($msg, 'foreign key') !== false) {
+            // 格式化输出
+            $data = json_encode([
+                'code' => 400,
+                'msg' => '此数据下有关联的数据,不可进行操作',
+            ], JSON_UNESCAPED_UNICODE);
+            // 阻止异常冒泡
+            $this->stopPropagation();
+            return $response
+                ->withAddedHeader('content-type', 'application/json')
+                ->withBody(new SwooleStream($data));
+        }
+        return $response; // 交给下一个异常处理器
+    }
+
+    public function isValid(Throwable $throwable): bool
+    {
+        return $throwable instanceof QueryException;
+    }
+}
\ No newline at end of file