添加通用外键关联异常捕获

                'handler' => [

                    'http' => [

                        \Meibuyu\Micro\Exceptions\Handler\MicroExceptionHandler::class,

                        \Meibuyu\Micro\Exceptions\Handler\QueryExceptionHandler::class,

                    ],

                ],

            ],

<?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;

    }

}

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