gas-injection/src/components/chart/BarAndLine.vue

<template>
  <div v-if="spinning" class="spinning">
    <a-spin :spinning="true" />
  </div>
  <div v-if="!spinning" ref="chartRef" :style="{ height, width }"></div>
</template>
<script lang="ts">
import { defineComponent, PropType, ref, Ref, reactive, watchEffect, watch, nextTick } from 'vue';
import { useECharts } from '/@/hooks/web/useECharts';
import { getTableHeaderColumns } from '/@/hooks/web/useWebColumns';
import EchartsUtil from '/@/utils/echartsUtil';
import { merge } from 'lodash-es';
type ChartColumn = {
  legend: string;
  seriesName: string;
  ymax: number;
  yname: string;
  linetype: string;
  yaxispos: string;
  color: string;
  sort: number;
  xRotate: number;
  dataIndex: string;
};
export default defineComponent({
  name: 'BarAndLine',
  props: {
    chartsColumns: {
      type: Array as PropType<ChartColumn[]>,
      default: () => [],
    },
    chartsColumnsType: {
      type: String,
    },
    chartsType: {
      type: String,
      default: '',
    },
    dataSource: {
      type: Array,
      default: () => [],
    },
    option: {
      type: Object,
      default: () => ({}),
    },
    xAxisPropType: {
      type: String,
      required: true,
    },
    width: {
      type: String as PropType<string>,
      default: '100%',
    },
    height: {
      type: String as PropType<string>,
      default: 'calc(100vh - 78px)',
    },
  },
  emits: ['refresh'],
  setup(props, { emit }) {
    const spinning = ref<boolean>(true);
    const chartRef = ref<HTMLDivElement | null>(null);
    const { setOptions, echarts } = useECharts(chartRef as Ref<HTMLDivElement>);
    const chartData = props.chartsColumnsType ? getTableHeaderColumns(props.chartsColumnsType) : [];
    let chartsColumns = (props.chartsColumns.length > 0 ? props.chartsColumns : chartData) as ChartColumn[];
    let tempYmax: number[] = [];
    let tempYmin: number[] = [];
    // let groupedByColumns = {};
    const option = reactive({
      name: '',
      color: ['#7B68EE', '#0000CD', '#6495ED', '#00BFFF', '#AFEEEE', '#008080', '#00FA9A', '#2E8B57', '#FAFAD2', '#DAA520'],
      tooltip: {},
      grid: {},
      toolbox: {
        feature: {
          saveAsImage: {
            iconStyle: {
              borderColor: '#ffffff',
            },
            show: false,
          },
        },
      },
      dataZoom: {},
      legend: {
        textStyle: {
          color: '#ffffff', // 字体颜色
        },
        top: '20',
      },
      timeline: null,
      xAxis: {},
      yAxis: null,
      series: null,
    });
    let optionUtil;

    watchEffect(() => {
      props.dataSource && props.xAxisPropType && option.series && initCharts();
    });

    watch([() => props.chartsType, () => props.chartsColumns], ([newChartsType, newChartsColumns]) => {
      spinning.value = true;
      chartsColumns = newChartsColumns;
      optionUtil.initChartOption(newChartsType, newChartsColumns);
      spinning.value = false;
      initCharts(true);
      emit('refresh');
    });

    function initChartsOption() {
      // debugger;
      optionUtil = new EchartsUtil(merge(option, props.option));
      optionUtil.initChartOption(props.chartsType, chartsColumns);
    }
    initChartsOption();

    function initCharts(isRefresh = false) {
      if (props.dataSource.length < 1) return;
      //轴数据
      let isFresh = false;
      if (option.series && option.series.length === chartsColumns.length) {
        let xAxisData = props.dataSource.map((item) => item[props.xAxisPropType]);
        chartsColumns = [...chartsColumns].filter((propType: any, index) => {
          if (!propType) return;
          if (props.chartsType == 'listMonitor') {
            option.series[index].type = 'bar';
          }
          console.log(option.series[index], '000===')
          option.series[index].data = props.dataSource.map((item) => Number(item[propType.dataIndex]) || 0);
          // console.log('nnn', option.series[index].data);
          // 这里动态计算echarts y轴最大值
          const max = Math.max(...option.series[index].data);
          const min = Math.min(...option.series[index].data);
          const digitCount = max.toFixed(0).length;
          const minDigitCount = min.toFixed(0).length;
          let yMax = 0,
            yMin = 0;
          if (option.series[index].name.indexOf('°C') == -1 && option.series[index].name.indexOf('%') == -1 ) {
            if (digitCount < 2) {
              if (max < 0.5) {
                yMax = 1;
              } else if (max < 0.9) {
                yMax = 1.5;
              } else if (max < 5) {
                yMax = 5;
              } else if (max < 10) {
                yMax = 10;
              }
            } else if (digitCount < 3) {
              const n = Number((Number(max.toFixed(0)) / 10).toFixed(0));
              if (max < n * 10 + 5) {
                yMax = (n + 1) * 10;
              } else {
                yMax = (n + 2) * 10;
              }
            } else if (digitCount < 4) {
              const n = Number((Number(max.toFixed(0)) / 100).toFixed(0));
              if (max < n * 100 + 50) {
                yMax = (n + 1) * 100;
              } else {
                yMax = (n + 2) * 100;
              }
            } else if (digitCount < 5) {
              const n = Number((Number(max.toFixed(0)) / 1000).toFixed(0));
              if (max < n * 1000 + 500) {
                yMax = (n + 1) * 1000;
              } else {
                yMax = (n + 1) * 1000 + 500;
              }
            } else if (digitCount < 6) {
              const n = Number((Number(max.toFixed(0)) / 10000).toFixed(0));
              if (max < n * 10000 + 5000) {
                yMax = (n + 1) * 10000;
              } else {
                yMax = (n + 1) * 10000 + 5000;
              }
            }

            if (minDigitCount < 2) {
              if (min > 1.5) {
                yMin = 1.0;
              } else if (min > 5) {
                yMin = 5;
              } else {
                yMin = 0;
              }
            } else if (minDigitCount < 3) {
              const n = Number((Number(min.toFixed(0)) / 10).toFixed(0));
              if (n > 1) {
                yMin = (n - 1) * 10;
              } else {
                yMin = 10;
              }
            } else if (digitCount < 4) {
              const n = Number((Number(min.toFixed(0)) / 100).toFixed(0));
              if (n > 1) {
                yMin = (n - 1) * 100;
              } else {
                yMin = 100;
              }
            } else if (digitCount < 5) {
              const n = Number((Number(min.toFixed(0)) / 1000).toFixed(0));
              if (n > 1) {
                yMin = (n - 1) * 1000;
              } else {
                yMin = 1000;
              }
            } else if (digitCount < 6) {
              const n = Number((Number(min.toFixed(0)) / 10000).toFixed(0));
              if (n > 1) {
                yMin = (n - 1) * 10000;
              } else {
                yMin = 10000;
              }
            }
          } else {
            yMax=100
            yMin=0
          }
          propType.ymax = yMax;
          propType.ymin = yMin;
          return true;
        });
        // debugger;
        // 根据sort分组
        const groupedBy = {};
        for (const item of chartsColumns) {
          if (groupedBy[item.sort]) {
            groupedBy[item.sort].push(item);
          } else {
            groupedBy[item.sort] = [item];
          }
        }
        // 根据分组找ymax最大值
        const newChartsColumns: ChartColumn[] = [];
        let index = 0;
        for (let sortId in groupedBy) {
          const group = groupedBy[sortId];
          let ymax = group[0].ymax;
          let ymin = group[0].ymin;
          for (let i = 1; i < group.length; i++) {
            if (group[i].ymax > ymax) {
              ymax = group[i].ymax;
            }
          }
          for (let i = 1; i < group.length; i++) {
            if (group[i].ymin < ymin) {
              ymin = group[i].ymin;
            }
          }
          if (!tempYmax[index] || tempYmax[index] != ymax) {
            tempYmax[index] = ymax;
            isFresh = true;
          }
          if (tempYmin[index] != ymin) {
            tempYmin[index] = ymin;
            isFresh = true;
          }
          for (let i = 0; i < group.length; i++) {
            group[i].ymax = ymax;
            group[i].ymin = ymin;
            newChartsColumns.push(group[i]);
          }
          ++index;
        }
        chartsColumns = newChartsColumns;
        option.xAxis[0].data = xAxisData;
        if (isFresh) {
          spinning.value = true;
          optionUtil.initChartOption(props.chartsType, chartsColumns);
          spinning.value = false;
          initCharts(true);
          nextTick(() => {
            setOptions(option, true);
            emit('refresh');
          });
        } else {
          // console.log('echarts监测列表数据', option.xAxis[0].data);
          setOptions(option, isRefresh);
        }
        setOptions(option, isRefresh);
      }
    }
    setTimeout(() => {
      spinning.value = false;
      initCharts(true);
    }, 1000);
    return { chartRef, spinning };
  },
});
</script>
<style lang="less" scoped>
.spinning {
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
}
</style>