hyperf-chat/app/Exception/Handler/ValidateExceptionHandler.php

<?php

namespace App\Exception\Handler;

use Hyperf\ExceptionHandler\ExceptionHandler;
use Hyperf\HttpMessage\Stream\SwooleStream;
use Psr\Http\Message\ResponseInterface;
use App\Exception\ValidateException;
use Throwable;

/**
 * 验证器异常处理类
 * Class ValidateExceptionHandler
 *
 * @package App\Exception\Handler
 */
class ValidateExceptionHandler extends ExceptionHandler
{
    /**
     * @param Throwable         $throwable
     * @param ResponseInterface $response
     * @return ResponseInterface
     */
    public function handle(Throwable $throwable, ResponseInterface $response)
    {
        // 格式化输出
        $data = json_encode([
            'code'    => $throwable->getCode(),
            'message' => $throwable->getMessage(),
        ], JSON_UNESCAPED_UNICODE);

        // 阻止异常冒泡
        $this->stopPropagation();

        return $response->withAddedHeader('content-type', 'application/json; charset=utf-8')->withStatus(200)->withBody(new SwooleStream($data));
    }

    /**
     * 判断该异常处理器是否要对该异常进行处理
     *
     * @param Throwable $throwable
     * @return bool
     */
    public function isValid(Throwable $throwable): bool
    {
        return $throwable instanceof ValidateException;
    }
}