尝试完善图表更新 bug 图表无法显示

LoongPanel-Asp/Controllers/ServerController.cs

@@ -52,50 +52,34 @@ public class ServerController(
         [FromQuery] List<string?>? dataTypes = null, [FromQuery] int? startIndex = 0)
     {
         var userId = HttpContext.User.Claims.FirstOrDefault(x => x.Type == ClaimTypes.NameIdentifier)!.Value;
-        //创建一个缓存
-        Dictionary<string, ServerMonitoringData?> temp = new();
-        //创建一个时间缓存
         //创建查询 流式
         var query = dbContext.ServerMonitoringData
             .AsNoTracking() // 不追踪实体状态
             .Where(x => x.ServerId == serverId) // 筛选服务器ID
             .Where(x => dataTypes == null || dataTypes.Contains(x.DataType)) // 如果dataTypes不为空，则进一步筛选
+            .OrderBy(x => x.Time)
             .Skip(Math.Max(startIndex ?? 0, 0)) // 跳过指定数量的记录
             .Take(1000)
             .AsAsyncEnumerable(); // 启用流式查询
+        Dictionary<string, List<List<object>>> temp = new();
+
         await foreach (var data in query)
         {
-            //计算两者时间差 按秒分割
+            if (!temp.TryGetValue(data.DataType, out var value))
-            if (!temp.TryGetValue(data.DataType, out var tempData)) tempData = data;
-            temp[data.DataType] = data;
-            var time = tempData?.Time;
-            if (time == null || data.Time == null) continue;
-            var timeDifferenceInSeconds = (data.Time - time)?.TotalSeconds;
-            if (timeDifferenceInSeconds <= 0) continue;
-            var steps = (int)timeDifferenceInSeconds!;
-            var value = double.Parse(data.Data ?? "0");
-            var lastValue = double.Parse(tempData?.Data ?? "0");
-            //计算中间值 贝塞尔曲线
-            var controlPoint = (value + lastValue) / 2;
-            List<List<object>> values = [];
-            for (var i = 0; i < steps; i++)
             {
-                var t = (double)i / (steps - 1);
+                value = new List<List<object>>();
-                var bezierValue = (1 - t) * (1 - t) * value + 2 * (1 - t) * t * controlPoint + t * t * lastValue;
+                temp[data.DataType] = value;
-                var bezierTime = time.Value.AddSeconds(i);
-                var utcTime = bezierTime.ToUniversalTime();
-                var unixTimestamp = ((DateTimeOffset)utcTime).ToUnixTimeMilliseconds();
-                List<object> innerList =
-                [
-                    unixTimestamp,
-                    ((int)bezierValue).ToString(CultureInfo.InvariantCulture)
-                ];
-                values.Add(innerList);
             }
 
-            await hubContext.Clients.Groups(userId).SendAsync("ReceiveDataHistory", data.DataType, values);
+            var unixTimestamp = ((DateTimeOffset)data.Time?.ToUniversalTime()!).ToUnixTimeMilliseconds();
+            value.Add([unixTimestamp!, data.Data!]);
         }
 
+        foreach (var entry in temp)
+        {
+            await hubContext.Clients.Groups(userId).SendAsync("ReceiveDataHistory", entry.Key, entry.Value, true);
+        }
+        
         return Ok();
     }
 

web/components/Cards/IChart.vue

@@ -95,13 +95,14 @@ const items = [
 <template>
   <div :id="`card_${id}`" ref="cardRef" class="card-layout ">
     <div :id="'item' + id" class="card-title vue-draggable-handle">
-      <div></div>
       <h3>{{ title ?? "默认标题" }}</h3>
     </div>
-    <component :is="charts.find(x => x.id === chart)?.component" v-if="targetIsVisible&&!isSwitched"
+    <div class="card-content">
-               :rangeNum="rangeNum"
+      <component :is="charts.find(x => x.id === chart)?.component" v-if="targetIsVisible&&!isSwitched"
-               :valueIds="valueIds"
+                 :rangeNum="rangeNum"
-               :valueNames="valueNames"/>
+                 :valueIds="valueIds"
+                 :valueNames="valueNames"/>
+    </div>
   </div>
 </template>
 
@@ -109,46 +110,31 @@ const items = [
 @import "base";
 
 .card-layout {
-  width: 100%;
   height: 100%;
+  width: 100%;
   background: $light-bg-color;
-  border-radius: $radius;
+  display: grid;
-  box-shadow: 0 10px 30px 0 rgba(17, 38, 146, 0.05);
+  grid-template-rows: 40px 1fr;
-  padding: $padding*1.5;
+  
-  position: relative;
-  display: flex;
-  flex-direction: column;
-  gap: $gap;
-  will-change: scroll-position, contents;
-  border: $border;
   .dark-mode & {
     background: $dark-bg-color;
   }
 }
 
-
-
 .card-title {
   display: flex;
+  justify-content: space-between;
   align-items: center;
-  gap: $gap;
+  padding: 0 20px;
-  color: $light-text-color;
+  
-  position: absolute;
+  h3 {
-  z-index: 10;
+    font-size: 14px;
-  &,
+    line-height: 24px;
-  h3:hover {
+    text-align: left;
-    cursor: move;
+    color: #333;
-  }
-
-  .dark-mode & {
-    color: $dark-text-color;
-  }
-
-  div {
-    width: 6px;
-    height: 20px;
-    border-radius: $radius;
-    background: $primary-color;
   }
 }
+.card-content{
+  padding: 0 20px 20px;
+}
 </style>

web/components/Charts/AreaChart.vue

@@ -4,17 +4,13 @@ import {useMainLayoutStore} from "~/strores/UseMainLayoutStore";
 
 import type {PropType} from "vue";
 import {ref} from 'vue';
-import dayjs from "dayjs";
 import VChart from 'vue-echarts';
 import _ from "lodash";
 import {useSessionSignalRStore} from "~/strores/HubStore";
 
 const dataStore = useDataStore()
-const hubStore=useSessionSignalRStore()
+const hubStore = useSessionSignalRStore()
 const mainLayoutStore = useMainLayoutStore()
-type ArbitraryKeyValuePairs = {
-  [key: string]: (number | string)[];
-};
 const chartRef = ref<any>(null)
 const isLoading = ref<boolean>(true)
 const props = defineProps({
@@ -33,7 +29,7 @@ const props = defineProps({
 })
 const option = computed(() => {
   return {
-    backgroundColor:'',
+    backgroundColor: '',
     //关闭动画
     // animation: false,
     tooltip: {
@@ -46,18 +42,19 @@ const option = computed(() => {
       }
     },
     grid: {
-      left: '2%',
+      left: '0',
       right: '50',
-      bottom: '10%',
+      bottom: '38',
+      top: '15',
       containLabel: true
     },
     xAxis: [
       {
         type: 'time',
-        // boundaryGap: false
+        boundaryGap: false,
-        axisLabel:{
+        axisLabel: {
-          showMinLabel:true,
+          showMinLabel: true,
-          showMaxLabel:true,
+          showMaxLabel: true,
         }
       },
     ],
@@ -66,15 +63,6 @@ const option = computed(() => {
         type: 'value',
       }
     ],
-    toolbox: {
-      feature: {
-        dataZoom: {
-          yAxisIndex: 'none'
-        },
-
-        saveAsImage: {}
-      }
-    },
     dataZoom: [
       {
         type: 'inside',
@@ -100,18 +88,18 @@ const option = computed(() => {
         large: true,
         smooth: true,
         largeThreshold: 10000,
-        sampling:'lttb',
+        sampling: 'lttb',
         emphasis: {
           focus: 'series'
         },
         markPoint: {
           data: [
-            { type: 'max', name: 'Max' },
+            {type: 'max', name: 'Max'},
-            { type: 'min', name: 'Min' }
+            {type: 'min', name: 'Min'}
           ]
         },
         markLine: {
-          data: [{ type: 'average', name: 'Avg' }]
+          data: [{type: 'average', name: 'Avg'}]
         },
         data: [],
       }
@@ -122,19 +110,34 @@ let interval: NodeJS.Timeout;
 onUnmounted(() => {
   clearInterval(interval);
 })
+let maxValue = 100;
 onMounted(() => {
-  setTimeout(()=>{
+  if (!chartRef.value) {
-    hubStore.connection?.on("ReceiveDataHistory",(type:string,values:string[][])=>{
+    console.error('ECharts instance is not initialized');
-      isLoading.value = true;
+    return;
-      chartRef.value.appendData({
+  }
-        seriesIndex: props.valueIds?.indexOf(type),
+  hubStore.connection?.on("ReceiveDataHistory", (type: string, values: [number,string][], done: boolean) => {
-        data:values
+    chartRef.value.appendData({
-      })
+      seriesIndex: props.valueIds?.indexOf(type),
-      
+      data: values
-      isLoading.value = false;
     })
-  },1000)
+    if (done) {
-  setTimeout(()=>{
+      //设置y轴最大值为数据最大值的140%
+      // const currentOption = chartRef.value.getOption();
+      // const maxData = Math.max(...values.map(item =>item[1]));
+
+      // if (maxData > maxValue) {
+      //   maxValue = maxData
+      //   currentOption.yAxis[0].max = maxData * 1.4;
+      //   chartRef.value.setOption(currentOption);
+      // }
+
+    }
+    isLoading.value = false;
+  })
+  
+  
+  setTimeout(() => {
     $fetch('/Api/Server/GetServerHistoryDate', {
       method: 'GET',
       headers: {
@@ -147,53 +150,8 @@ onMounted(() => {
       },
       baseURL: useRuntimeConfig().public.baseUrl,
     })
-    setTimeout(()=>{
+  }, 2000)
-      interval = setInterval(() => {
+  
-          const data = dataStore.data
-        const time=Date.now()
-          props.valueIds?.forEach((id, index) => {
-            const newData = data[id] ?? 0
-            chartRef.value.appendData({
-              seriesIndex: index,
-              data: [[time,newData]]
-            })
-            const currentOption = chartRef.value.getOption();
-            chartRef.value.setOption(currentOption)
-          })},1000)
-    })
-  },1000)
-  // let history = dataStore.dataHistory
-  // setTimeout(() => {
-  //   isLoading.value = false;
-  // }, 5000)
-  // nextTick(() => {
-  //   props.valueIds?.forEach((id, index) => {
-  //     chartRet.value.appendData({
-  //       seriesIndex: index,
-  //       data: history.data[id]
-  //     })
-  //   })
-  //   const currentOption = chartRet.value.getOption();
-  //   currentOption.xAxis[0].data = history.times
-  //   chartRet.value.setOption(currentOption)
-  //   isLoading.value = false
-  //   interval = setInterval(() => {
-  //     const data = dataStore.data
-  //     props.valueIds?.forEach((id, index) => {
-  //       const newData = data[id] ?? 0
-  //       if (!values.value[id]) {
-  //         values.value[id] = []
-  //       }
-  //       chartRet.value.appendData({
-  //         seriesIndex: index,
-  //         data: [newData]
-  //       })
-  //     })
-  //     const currentOption = chartRet.value.getOption();
-  //     currentOption.xAxis[0].data.push(dayjs().format('MM-DD HH:mm:ss'))
-  //     chartRet.value.setOption(currentOption)
-  //   }, 4000 + 1000 * Math.random())
-  // })
 })
 // let endIndex = dataStore.dataHistory.times ? dataStore.dataHistory.times.length : 0
 // let startTemp = 0;
@@ -256,7 +214,7 @@ onMounted(() => {
            autoresize
            :theme="$colorMode.value"
            class="chart"
-           />
+  />
 </template>
 
 <style>