LoongPanel-Asp/web/components/Charts/LineChart.vue

<script lang="ts" setup>
import {useDataStore} from "~/strores/DataStore";
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";

const dataStore = useDataStore()
const mainLayoutStore = useMainLayoutStore()
type ArbitraryKeyValuePairs = {
  [key: string]: (number | string)[];
};
const values = ref<ArbitraryKeyValuePairs>({});
const chartRet = ref<any>(null)
const isLoading = ref<boolean>(true)
const props = defineProps({
  valueIds: {
    type: Array as PropType<string[]>,
    required: true,
  },
  valueNames: {
    type: Array as PropType<string[]>,
    required: true,
  },
  rangeNum: {
    type: Number,
    default: 6,
  },
})
const option = computed(() => {
  return {
    backgroundColor:'',
    tooltip: {
      trigger: 'axis',
      axisPointer: {
        type: 'cross',
        label: {
          backgroundColor: '#6a7985'
        }
      }
    },
    grid: {
      left: '2%',
      right: '50',
      bottom: '10%',
      containLabel: true
    },
    xAxis: [
      {
        type: 'category',
        boundaryGap: false,
        data: []
      }
    ],
    yAxis: [
      {
        type: 'value',
      }
    ],
    toolbox: {
      feature: {
        dataZoom: {
          yAxisIndex: 'none'
        },

        saveAsImage: {}
      }
    },
    dataZoom: [
      {
        type: 'inside',
        start: 90,
        end: 100,
      },
      {
        type: 'slider',
        throttle: 500,
      },
      {
        type: 'slider',
        yAxisIndex: 0,
        startValue: 0,
        endValue: 100,
      },
    ],
    legend: {
      data: props.valueNames,
      textStyle: {
        fontSize: 16,
      },
    },
    series: props.valueNames?.map((id) => {
      return {
        name: id,
        type: 'line',
        large: true,
        smooth: true,
        emphasis: {
          focus: 'series'
        },
        data: [],
      }
    }) ?? []
  }
});
let interval: NodeJS.Timeout;
onUnmounted(() => {
  clearInterval(interval);
})
onMounted(() => {
  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;
let done = false;
type Data = {
  times: string[]; // 时间轴
  data: { [key: string]: string[] }; // 数据，键是字符串，值是字符串数组的数组
  endIndex: number; // 结束索引
  done: boolean; // 是否完成加载
};
const zoom = _.throttle((e: any) => {
  console.log(e)
  let start = e.start ?? e.batch[0].start
  if (done) return
  if (start <= 50 && start !== startTemp) {
    startTemp = e.start
    isLoading.value = true
    setTimeout(() => {
      isLoading.value = false
    }, 5000)
    $fetch('/Api/Server/GetServerHistoryDate', {
      method: 'GET',
      headers: {
        'Authorization': 'Bearer ' + useCookie('token').value
      },
      params: {
        ServerId: mainLayoutStore.SelectServer.value,
        DataTypes: props.valueIds,
        StartIndex: endIndex,
      },
      baseURL: useRuntimeConfig().public.baseUrl,
    }).then((res) => {
      const data = res as Data;
      if (data.done) {
        isLoading.value = false
        done = true
        return
      }
      endIndex = data.endIndex
      //获得图表data
      const currentOption = chartRet.value.getOption();
      currentOption.series.map((series: any, index: number) => {
        series.data = [...data.data[props.valueIds[index]], ...series.data]
      })
      currentOption.xAxis[0].data = [...data.times, ...currentOption.xAxis[0].data]
      //start 为5
      currentOption.dataZoom[0].start = 55
      chartRet.value.setOption(currentOption)
      setTimeout(() => {
        isLoading.value = false
      }, 1000)
    })
  }
}, 1000)
</script>

<template>
  <v-chart ref="chartRet" :loading="isLoading" :manual-update="true" :option="option"
           autoresize
           :theme="$colorMode.value"
           class="chart"
           @datazoom="zoom"/>
</template>

<style>
.chart {
  will-change: contents, scroll-position;
}
</style>