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<?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;
}
}