[增添]添加了CPU占用率饼图

management-panel/app/Filament/Widgets/CPUStatus.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Filament\Widgets;
+
+use App\Services\PrometheusService;
+use Filament\Widgets\ChartWidget;
+
+class CPUStatus extends ChartWidget
+{
+    protected static ?string $heading = 'CPU 占用率';
+
+    protected static ?int $sort = 5;
+
+    protected int | string | array $columnSpan = '1';
+
+    protected function getData(): array
+    {
+        $prometheus = new PrometheusService();
+
+        // 查询 CPU 使用率数据，获取最近 60 秒内的平均值
+        $query = '100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[60s])) * 100)';
+        $cpuUsageResult = $prometheus->query($query);
+
+        // 计算使用率和空闲率
+        $cpuUsage = 0;
+        if (isset($cpuUsageResult['data']['result'][0]['value'][1])) {
+            $cpuUsage = floatval($cpuUsageResult['data']['result'][0]['value'][1]);
+        }
+        $cpuIdle = 100 - $cpuUsage;
+
+        $data = [
+            round($cpuUsage, 2),
+            round($cpuIdle, 2),
+        ];
+
+        return [
+            'labels' => ['CPU 使用率', 'CPU 空闲率'],
+            'datasets' => [
+                [
+                    'label' => 'CPU 占用情况',
+                    'data' => $data,
+                    'backgroundColor' => ['#FBD1B7', '#E0F5B9'], // 柔和颜色
+                    'borderColor' => ['#FBD1B7', '#E0F5B9'], // 边框颜色
+                    'borderWidth' => 1, // 边框宽度
+                ],
+            ],
+        ];
+    }
+
+    protected function getType(): string
+    {
+        return 'pie'; // 设置为饼图
+    }
+
+    protected function getPollingInterval(): ?string
+    {
+        return '1s'; // 每秒更新一次
+    }
+}

management-panel/app/Filament/Widgets/SystemStats.php

@@ -56,7 +56,7 @@ class SystemStats extends BaseWidget
                 return $item['value'][1] ?? 0;
             }, $networkReceiveResult['data']['result'])) / (1024 * 1024), 2);
 
-        $networkDisplay = "上行: {$networkTransmit} MB/s\n下行: {$networkReceive} MB/s";
+        $networkDisplay = "上传: {$networkTransmit} MB/s\n下载: {$networkReceive} MB/s";
 
         return [
             BaseWidget\Stat::make('内存占用', $memoryDisplay),