mingde-bd/application/common/exception/Http.php

<?php
namespace app\common\exception;

use Exception;
use think\exception\Handle;
use think\exception\HttpException;
use think\exception\ValidateException;

class Http extends Handle
{
    public function render(Exception $e)
    {
        $json = [
            'code' => 1,
            'message' => '',
            'data' => []
        ];

        // 参数验证错误
        if ($e instanceof ValidateException) {
            $json['message'] = $e->getError();
            return json($json);
        }

        // 请求异常
        if ($e instanceof HttpException && request()->isAjax()) {
            $json['message'] = $e->getMessage();
            return json($json,$e->getStatusCode());
        }

        $json['message'] = $e->getMessage();
        return json($json);
    }
}