Laravel 通过ajax返回json格式数据

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本文链接： https://blog.csdn.net/qq_34248133/article/details/102486820

路径: 网站根目录/app/Exceptions/Handler.php

<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Validation\ValidationException; // 后加的
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;

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.
     *
     * This is a great spot to send exceptions to Sentry, Bugsnag, etc.
     *
     * @param  \Exception  $exception
     * @return void
     */
    public function report(Exception $exception)
    {
        parent::report($exception);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Exception  $exception
     * @return \Illuminate\Http\Response
     */
    public function render($request, Exception $exception)
    {
        return parent::render($request, $exception);
    }

    /**
     * 重写该方法, 用于ajax返回json
     */
    protected function invalidJson($request, ValidationException $exception)
    {
        // 1. 这里是报原来的错误, 即 FromRequest.php(自定义文件) 里自定义的错误
        return response()->json([
            'code' => 201,
            'msg' => $exception->getMessage(),
            'errors' => $exception->errors(),
        ]);

        // 2. 这里是统一给一个错误, 不让错误报的那么明显
        // return response()->json(showError('ajax_error'));
    }
}

1.要先测试,具体的代码自行取舍!

2.感觉laravel原来的报错提示方式别扭, 用了ajax以后感觉好多了!