自定义Laravel nova中的分区度量值

namespace App\Nova\Metrics;

use Laravel\Nova\Metrics\Partition;

class CustomPartitionMetric extends Partition
{
    /**
     * The displayable name of the metric.
     *
     * @var string
     */
    public $name = 'Custom Partition Metric';

    /**
     * Calculate the value of the metric.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return mixed
     */
    public function calculate(Request $request)
    {
        // 在这里编写计算逻辑
    }

    /**
     * Get the labels for the metric.
     *
     * @return array
     */
    public function labels()
    {
        return [
            'Label 1',
            'Label 2',
            'Label 3',
        ];
    }
}