xiaoding-backend-php/app/Exceptions/Handler.php

<?php

namespace App\Exceptions;

use Closure;
use Exception;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Http\JsonResponse;
use Illuminate\Session\TokenMismatchException;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\ValidationException;
use Symfony\Component\HttpFoundation\Response;
use Throwable;

class Handler
{
    public function handle($request, Closure $next)
    {
        $response = $next($request);
        if ($response->exception)
            return $this->render($request, $response->exception);
        return $response;
    }

    public function render($request, Throwable $e): JsonResponse
    {
        $code = $e->getCode();
        $message = $e->getMessage();
        $status = Response::HTTP_INTERNAL_SERVER_ERROR;

        // CSRF 跨站请求伪造
        if ($e instanceof TokenMismatchException) {
            $status = 419;
        }

        if ($e instanceof AuthenticationException) {
            //Unauthenticated.
            $status = Response::HTTP_UNAUTHORIZED;
            $message = '登录超时！';
        }

        // 表单验证
        if ($e instanceof ValidationException) {
            $status = Response::HTTP_UNPROCESSABLE_ENTITY;
//            $status = 200;
        }

        if ($e instanceof ApiException) {
            $status = match ($code) {
                Response::HTTP_UNPROCESSABLE_ENTITY => 200, // 表单验证
                default => $code,
            };
            // 400 错误请求
            // 401 未授权
            // 403 禁止访问
            // 409 数据冲突
            // 419 CSRF跨域伪造
            // 422 验证规则
            // 500 服务器内部错误

        }
        return response()->json(['code' => $code, 'message' => $message], $status);
    }

}