<?php namespace App\Admin\Metrics\Examples; use Dcat\Admin\Widgets\Metrics\Line; use Illuminate\Http\Request; class NewUsers extends Line { /** * 初始化卡片内容 * * @return void */ protected function init() { parent::init(); $this->title('New Users'); $this->dropdown([ '7' => 'Last 7 Days', '28' => 'Last 28 Days', '30' => 'Last Month', '365' => 'Last Year', ]); } /** * 处理请求 * * @param Request $request * * @return mixed|void */ public function handle(Request $request) { $generator = function ($len, $min = 10, $max = 300) { for ($i = 0; $i <= $len; $i++) { yield mt_rand($min, $max); } }; switch ($request->get('option')) { case '365': // 卡片内容 $this->withContent(mt_rand(1000, 5000).'k'); // 图表数据 $this->withChart(collect($generator(30))->toArray()); break; case '30': // 卡片内容 $this->withContent(mt_rand(400, 1000).'k'); // 图表数据 $this->withChart(collect($generator(30))->toArray()); break; case '28': // 卡片内容 $this->withContent(mt_rand(400, 1000).'k'); // 图表数据 $this->withChart(collect($generator(28))->toArray()); break; case '7': default: // 卡片内容 $this->withContent('89.2k'); // 图表数据 $this->withChart([28, 40, 36, 52, 38, 60, 55,]); } } /** * 设置图表数据. * * @param array $data * * @return $this */ public function withChart(array $data) { return $this->chart([ 'series' => [ [ 'name' => $this->title, 'data' => $data, ], ], ]); } /** * 设置卡片内容. * * @param string $content * * @return $this */ public function withContent($content) { return $this->content( <<<HTML <div class="d-flex justify-content-between align-items-center mt-1" style="margin-bottom: 2px"> <h2 class="ml-1 font-lg-1">{$content}</h2> <span class="mb-0 mr-1 text-80">{$this->title}</span> </div> HTML ); } }