lianjie_admin/app/Admin/Extensions/Chart/Bar/OrderBar.php

<?php
namespace App\Admin\Extensions\Chart\Bar;

use Dcat\Admin\Admin;
use Dcat\Admin\Widgets\ApexCharts\Chart;
use Dcat\Admin\Widgets\Metrics\Bar;

class OrderBar extends Chart
{
    protected $_data;
    public function __construct($data=[])
    {
        parent::__construct($containerSelector=null, $options=[]);
        $this->_data = $data;
        $this->setUpOptions();
    }

    /**
     * 初始化图表配置
     */
    protected function setUpOptions()
    {
        $color = Admin::color();
        $colors = [$color->primary(), $color->primaryDarker()];

        $this->options([
            'colors' => $colors,
            'chart' => [
                'type' => 'bar',
                'height' => 430,
            ],
            'plotOptions' => [
                'bar' => [
                    'horizontal' => false,
                    'dataLabels' => [
                        'position' => 'top',
                    ],
                ]
            ],
            'dataLabels' => [
                'enabled' => true,
                'offsetX' => -6,
                'style' => [
                    'fontSize' => '12px',
                    'colors' => ['#fff']
                ]
            ],
            'stroke' => [
                'show' => true,
                'width' => 1,
                'colors' => ['#fff']
            ],
            'xaxis' => [
                'categories' => [],
            ],
        ]);
    }

    /**
     * 处理图表数据
     */
    protected function buildData()
    {
        $orderType = request()->input('order_type')??'amount';
        // 执行你的数据查询逻辑
        $data = [
            [
                'name'=>'订单金额',
                'data' =>$orderType=='num'? $this->_data['num']:$this->_data['amount']
            ],
        ];
        $categories =  $this->_data['time'];
        $this->withData($data);
        $this->withCategories($categories);
    }

    /**
     * 设置图表数据
     *
     * @param array $data
     *
     * @return $this
     */
    public function withData(array $data)
    {
        return $this->option('series', $data);
    }

    /**
     * 设置图表类别.
     *
     * @param array $data
     *
     * @return $this
     */
    public function withCategories(array $data)
    {
        return $this->option('xaxis.categories', $data);
    }

    /**
     * 渲染图表
     *
     * @return string
     */
    public function render()
    {
        $this->buildData();

        return parent::render();
    }

}