GY_zhishiku_admin/app/Admin/Controllers/QuestionHistoryController.php

<?php
namespace App\Admin\Controllers;

use App\Http\Controllers\Controller;
use App\Model\QuestionHistory;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Facades\Admin;
use Encore\Admin\Layout\Content;
use Encore\Admin\Controllers\ModelForm;

class QuestionHistoryController extends Controller
{
    use ModelForm;
    public function index()
    {
        return Admin::content(function (Content $content) {
            $content->header('智能问题记录');
            $content->description('列表');
            $content->body($this->grid());
        });
    }

    public function create()
    {
        return Admin::content(function (Content $content) {
            $content->header('智能问题记录');
            $content->description('新增');
            $content->body($this->form());
        });
    }

    public function edit($id)
    {
        return Admin::content(function (Content $content) use ($id) {
            $content->header('智能问题记录');
            $content->description('列表');
            $content->body($this->form($id)->edit($id));
        });
    }

    protected function form($id = '')
    {
        return Admin::form(QuestionHistory::class, function (Form $form) use ($id) {
            $form->display( 'id'     , 'id');
        });
    }

    // Grid
    protected function grid()
    {
        return Admin::grid(QuestionHistory::class, function (Grid $grid) {
            $grid->id('编号')->sortable();
            $grid->model()->orderBy('id','desc');
            $grid->phone('提问者手机号');
            $grid->question('问题名称');
            $grid->answer('答案');
            $grid->createtime('创建时间')->display(function ($create_time) {
                return date('Y-m-d H:i:s' , $create_time);
            });
//            $grid->updatetime('更新时间')->display(function ($create_time) {
//                return date('Y-m-d H:i:s' , $create_time);
//            });

            // 禁用导出数据按钮
            $grid->actions(function ($actions) {
                $actions->disableView();
                //$actions->disableEdit();
            });

            $grid->filter(function($filter){

                // 去掉默认的id过滤器
                $filter->disableIdFilter();

                // 在这里添加字段过滤器
                //$filter->equal('uid' , '用户ID');
            });


        });
    }
}