小编Dav*_*vid的帖子

因此，我尝试向资源添加新的指标趋势，但总是收到以下错误：

Too few arguments to function Laravel\Nova\Resource::__construct(), 0 passed in /crm/nova/src/Metrics/Trend.php on line 116 and exactly 1 expected {"userId":1,"exception":"[object] (Symfony\\Component\\Debug\\Exception\\FatalThrowableError(code: 0): Too few arguments to function Laravel\\Nova\\Resource::__construct(), 0 passed in crm/nova/src/Metrics/Trend.php on line 116 and exactly 1 expected at /crm/nova/src/Resource.php:108)

我正在尝试从数据库表“报告”中的“ph_value”列接收数据。

<?php

namespace App\Nova\Metrics;

use Illuminate\Http\Request;
use Laravel\Nova\Metrics\Trend;
use App\Nova\Report;

class ph extends Trend
{
    /**
     * Calculate the value of the metric.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return mixed
     */
    public function calculate(Request $request)
    {
        return $this->countByDays($request, Report::class, …