DevLock/app/Admin/Controllers/HomeController.php

<?php

namespace App\Admin\Controllers;

use App\Http\Controllers\Controller;
use Encore\Admin\Controllers\Dashboard;
use Encore\Admin\Layout\Column;
use Encore\Admin\Layout\Content;
use Encore\Admin\Layout\Row;
use Encore\Admin\Widgets\Box;
use Encore\Admin\Widgets\Echarts\Echarts;

class HomeController extends Controller
{
    public function index(Content $content)
    {
        return $content
            ->title('首页')
            ->description('欢迎来到!')
//            ->row(Dashboard::title())
            ->row(function (Row $row) {

                $row->column(12, function (Column $column) {
                    $sta = Sta::getDeviceChart();
                    $echarts = (new Echarts('设备状态', '当前设备状态', 'device'))
                        ->setData($sta['d'])->setSeriesType('pie')
                        ->bindLegend($sta['h']);
                    $column->append(new Box('', $echarts));
                });
            });
    }
}