[修改]优化了widget的读取显示，能够动态显示

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

@@ -15,19 +15,22 @@ class PrometheusMemory extends ChartWidget
     {
         $prometheus = new PrometheusService();
 
+
+// 查询过去 1 分钟内的每 6 秒一个数据点
         $memoryUsageRange = $prometheus->queryRange(
-            '(1 - (avg_over_time(node_memory_MemAvailable_bytes[1h]) / avg_over_time(node_memory_MemTotal_bytes[1h]))) * 100',
-            now()->subHour()->timestamp,
+            '(1 - (avg_over_time(node_memory_MemAvailable_bytes[1m]) / avg_over_time(node_memory_MemTotal_bytes[1m]))) * 100',
+            now()->subMinutes(1)->timestamp,
             now()->timestamp,
-            360 // 每6分钟一个数据点
+            6 // 每6秒一个数据点
         );
 
         $labels = [];
         $data = [];
 
         if (!empty($memoryUsageRange['data']['result'][0]['values'])) {
+            date_default_timezone_set('Asia/Shanghai');
             foreach ($memoryUsageRange['data']['result'][0]['values'] as $index => $value) {
-                $labels[] = 'Point ' . ($index + 1);
+                $labels[] = date('H:i:s', $value[0]); // 格式化时间戳为小时:分钟:秒
                 $data[] = round($value[1], 2); // 取出每个时间点的内存使用率，并保留两位小数
             }
         }
@@ -41,6 +44,7 @@ class PrometheusMemory extends ChartWidget
                     'borderColor' => '#4CAF50',
                     'backgroundColor' => 'rgba(76, 175, 80, 0.2)',
                     'fill' => true,
+                    'tension' => 0.4,
                 ],
             ],
         ];