test/app/Http/Requests/Link/SaveRequest.php

<?php

namespace App\Http\Requests\Link;

use App\Http\Requests\Request;
use Illuminate\Validation\Rule;
use Illuminate\Database\Query\Builder;

class SaveRequest extends Request
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        if (!$this->ajax()) {
            return [];
        }

        return [
            'type' => 'required',
            'url' => [
                'required',
                Rule::unique('links')->where(function (Builder $query) {
                    return $query->where('deleted_at', null);
                })->ignore($this->route('id'))
            ],
            'remark' => 'nullable',
            'tag' => 'nullable',
            'cost' => 'nullable',
            'business_ids' => 'nullable',
            'country' => 'nullable',
            'big_ball' => 'nullable',
            'quantitative_restrictions' => 'nullable',
            'phone_verification' => 'nullable',
            'timed_release' => 'nullable',
            'authority_score' => 'nullable',
            'spam_score' => 'nullable',
            'home_page' => 'nullable',
        ];
    }

    public function attributes()
    {
        return [
            'type' => '外链类型',
            'url' => '平台链接',
            'remark' => '备注',
            'tag' => '标签',
            'cost' => '费用',
            'business_ids' => '行业',
            'country' => '国家',
            'big_ball' => '锚文本',
            'quantitative_restrictions' => '数量限制',
            'phone_verification' => '手机验证',
            'timed_release' => '定时发布',
            'authority_score' => 'authority score',
            'spam_score' => 'spam score',
            'home_page' => '个人主页加网址',
        ];
    }
}