agent_server/app/Exceptions/Handler.php

<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Symfony\Component\ErrorHandler\Exception\FlattenException;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that are not reported.
     *
     * @var array
     */
    protected $dontReport = [
        //
    ];

    /**
     * A list of the inputs that are never flashed for validation exceptions.
     *
     * @var array
     */
    protected $dontFlash = [
        'password',
        'password_confirmation',
    ];

    /**
     * Report or log an exception.
     *
     * @param  \Exception  $exception
     * @return void
     *
     * @throws \Exception
     */
    public function report(Exception $exception)
    {
        parent::report($exception);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Exception  $exception
     * @return \Symfony\Component\HttpFoundation\Response
     *
     * @throws \Exception
     */
    public function render($request, Exception $exception)
    {
        if ($this->shouldntReport($exception)) {
            // 因为laravel-admin利用flush返回错误，必须先这样排除.
            return parent::render($request, $exception);
        }
        //匹配获取新的抛出实例
        $e = FlattenException::create($exception);
        $statusCode = $e->getStatusCode();
        $isDebug = config('app.debug');
        $code = 500;    //输出的错误代码
        $msg404 = array('code' => $statusCode, 'message' => 'Nothing to do!', 'data' => [], 'handshake' => '');
        if ($isDebug === false) {  //生产环境下
            if ($request->wantsJson() || $request->isJson() || $request->ajax()) {
                return response()->json($msg404, $statusCode);
            } else {
                if (view()->exists('errors.' . $statusCode)) {
                    return response()->view('errors.' . $statusCode, [], $statusCode);
                }
            }
            return response()->view('errors.404', [], $statusCode);
        }

        return parent::render($request, $exception);
    }
}