hainan/app/Admin/Metrics/Examples/ProductStatistics.php

<?php

namespace App\Admin\Metrics\Examples;

use App\Models\Order;
use Dcat\Admin\Admin;
use Dcat\Admin\Support\JavaScript;
use Dcat\Admin\Widgets\ApexCharts\Chart;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;

class ProductStatistics extends Chart
{
	public function __construct()
	{
		parent::__construct();
		$this->setUpOptions();
	}

	/**
	 * 初始化图表配置
	 */
	protected function setUpOptions()
	{
		$this->options([
			'chart' => [
				//'width' => '180%',
				'type' => 'bar',
				'events' => [
				],
				'toolbar' => ['show' => false],
			],
			'plotOptions' => [
				'bar' => [
					//'columnWidth' => '45%',
					'distributed' => true,
				]
			],
			'dataLabels' => [
				'enabled' => false
			],
			'legend' => [
				'show' => false
			],
			'xaxis' => [
				//'categories' =>
				//	[75, 125, 225, 175, 125, 75, 25]
				//,
				'labels' => [
					'show' => true,
					'style' => [
						'fontSize' => '12px'
					]
				],
			],
			'yaxis' => [
				'show' => true
			],
			'tooltip' => [
				'x' => ['show' => true],
			],
		]);
	}

	/**
	 * 处理图表数据
	 */
	protected function buildData()
	{
		$query = Order::query()
			->select('*');
		$dateTime = request('created_at', 0);
		if ($dateTime) {
			$query->whereBetween('created_at',[$dateTime['start'] . ' 00:00:00',$dateTime['end'].' 23:59:59']);
		}
		switch (request('time_key', 0)) {
			case '1':
				$query->addSelect(DB::raw("count(id) as sum_price,CONCAT(YEAR(created_at),'-',MONTH(created_at),'-',DAY(created_at)) AS statistics_time"));
				break;
			case '30':
				$query->addSelect(DB::raw("count(id) as sum_price,CONCAT(YEAR(created_at),'-',MONTH(created_at)) AS statistics_time"));
				break;
			case '365':
				$query->addSelect(DB::raw("count(id)  as sum_price,CONCAT(YEAR(created_at)) AS statistics_time"));
				break;
			default:
				$query->addSelect(DB::raw("count(id)  as sum_price,CONCAT(YEAR(created_at),'-',MONTH(created_at),'-',DAY(created_at)) AS statistics_time"));
		}
		$order = $query->groupBy('statistics_time')
			->orderBy('statistics_time')
			->get()
			->toArray();

		$this->withData([
			[
				'name' => '销量',
				'data' => Arr::pluck($order,'sum_price')
			],
			]
		);
		$this->withCategories(
			Arr::pluck($order,'statistics_time')
		);

	}

	/**
	 * 设置图表数据
	 *
	 * @param array $data
	 *
	 * @return \App\Admin\Metrics\Examples\ProductStatistics
	 */
	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();
	}

	/**
	 * 重写初始化JS
	 * @return string
	 */
	protected function buildDefaultScript()
	{
		$options = JavaScript::format($this->options);

		return <<<JS
(function () {
    var options = {$options};

    var chart = new ApexCharts(
        $("{$this->containerSelector}")[0],
        options
    );
    chart.render();

    $(window).resize(function () {
        var height = $(window).height() - $('.Dcat_Admin_Widgets_Box').offset().top - 130;
        if (height < 320) {
            height = 320
        }
		chart.updateOptions({
			'chart': {
				'height': height
			}
		});
    }).resize();
})();
JS;
	}
}