admin-fiveFollowing/src/views/powerQuality/realTimeMonitoring/realScoreComponent/innerLineChart.vue

<template>
  <div shadow="never" class="homeBoxCard" v-loading="loading">
    <div class="height400" ref="lineChartBanlance" />
  </div>
</template>
<script>
import { useStore } from 'vuex'
import { defineComponent, onMounted, ref, watch } from 'vue'
import * as echarts from 'echarts'

export default defineComponent({
  name: 'lineChartValue',
  props: {},
  setup(props) {
    props
    const store = useStore()
    let lineChartBanlance = ref(null)
    const dataTimes = ref([])
    const lineChartArr = ref([])

    // 读取数据 func
    const loading = ref(true)
    const getData = async () => {
      dataTimes.value = store.state.realScoreLineDataTime
      lineChartArr.value = store.state.realScoreLineObj

      lineChartArr.value.forEach((value) => {
        value.type = 'line'
        value.smooth = false
        value.symbolSize = 7
        // value.markPoint = {
        //   data: [
        //     { type: 'max', name: 'Max' },
        //     { type: 'min', name: 'Min' },
        //   ],
        // }
      })

      loading.value = false
    }
 
    function echarts2() {
      let myChart = echarts.init(lineChartBanlance.value)

      

      // 绘制图表
      myChart.setOption({
        color: ['#1187FF', '#48C964', '#fe8161'],

        legend: {
          top: '0',
        },
        tooltip: {
          // show: true
          trigger: 'axis',
          axisPointer: { type: 'cross' },
        },
        grid: {
          left: '20',
          right: '40',
          top: '40',
          bottom: '30',
          containLabel: true,
        },
        xAxis: {
          axisLabel: {
            color: '#444',
            fontSize: 14,
          },
          /*改变xy轴颜色*/
          axisLine: {
            lineStyle: {
              color: '#444',
              width: 1, //这里是为了突出显示加上的
            },
          },
          boundaryGap: false,
          data: dataTimes.value,
        },
        yAxis: {
          name: store.state.realScoreLineName,
          textStyle: {
            color: 'black',
            fontSize: 10,
          },
          type: 'value',
          axisTick: {
            show: true, //去除刻度线
          },
          axisLabel: {
            color: 'black', // 文本颜色
          },
          axisLine: {
            show: true, // 去除轴线
            lineStyle: {
              color: 'black',
            },
          },
          splitNumber: 5,
          splitLine: {
            show: true,
            lineStyle: {
              color: '#9d9d9d',
            },
          },
        },

        // series: [
        //   {
        //     name: 'A相电流',
        //     type: 'line',
        //     symbolSize: 7,
        //     smooth: false,
        //     data: [1, 2, 6, 4, 5, 58, 6, 7, 8],
        //   },
        //   {
        //     name: 'B相电流',
        //     type: 'line',
        //     symbolSize: 7,
        //     smooth: false,
        //     data: [1, 2, 3, 4, 9, 5, 6, 7, 8],
        //   },
        //   {
        //     name: 'C相电流',
        //     type: 'line',
        //     symbolSize: 7,
        //     smooth: false,
        //     data: [1, 2, 3, 4, 5, 6, 6, 7, 3],
        //   },
        // ],
        series: lineChartArr.value,
      })
      window.addEventListener('resize', () => {
        myChart.resize()
      })
    }

    const writeValue = (val) => {
      val
      getData()
      echarts2()
    }

    //监听变化
    watch(
      () => store.state.realScoreLineObj,
      (newVal, oldVal, clear) => {
        // 执行异步任务，并得到关闭异步任务的 id
        // console.log(newVal)
        let id = writeValue(newVal, oldVal)
        // 如果 watch 监听被重复执行了，则会先清除上次未完成的异步任务
        clear(() => clearTimeout(id))
      },
      { lazy: true }
    )

    onMounted(() => {
      // getData()
      // echarts2()
    })

    return {
      lineChartBanlance,
      loading,
      store,
      dataTimes,
      lineChartArr,
    }
  },
})
</script>
<style lang="scss" scoped>
.homeBoxCard {
  margin-bottom: 24px;
  ::v-deep(.el-card__header) {
    padding-left: 12px;
    padding-right: 12px;
  }
  ::v-deep(.el-card__body) {
    padding: 12px;
    font-size: 14px;
    line-height: 1.5715;
  }
  ::v-deep(.el-divider) {
    margin: 8px 0;
  }
  .num {
    font-size: 30px;
    color: #515a6e;
  }
  .height400 {
    height: 400px;
  }
}
</style>