vue echarts 柱状图 堆叠柱状图

echarts堆叠柱状图（效果图在文章末尾）

1、默认只显示 月度的 数据，手动点击 legend 季度的 数据才会显示；
2、监听左侧菜单栏的宽度变化，图表宽度自适应展示

<template>
  <div>
    <div 
      id="barChart" 
      ref="barChartRef" 
      style="width: 100%; height: 450px"></div>
  </div>
</template>

<script>
import * as echarts from 'echarts';
export default {
  name: '',
  props: {},
  components: {},
  data () {
    return {
      chart: null,
      _thisForChart: null,
      _thisForWindow: null,
    }
  },
  created() {},
  mounted() {
    this.$nextTick(() => {
      this.initBarChart()
      this.addEventListenerToSidebarContainer(this)
      this.addEventListenerToWindowResize(this)
    })
  },
  beforeDestroy () {
    this.removeEventListenerToSidebarContainer()
    this.removeEventListenerToWindowResize()
  },
  computed: {},
  watch: {},
  methods: {
    initBarChart() {
      let xAxisData = ['2024-01','2024-02','2024-03','2024-04','2024-05','2024-06','2024-07','2024-08','2024-09','2024-10',] // X轴数据
      let mounthly = ['0.21','-0.45','0.77','0.58','-0.66','0.91','0.11','-0.44','0.52','0.33'] // 月度的
      let quarterlyData = ['0.71','-0.40','0.17','0.38','-0.16','0.61','0.90','0.21','-0.14','0.50',] // 季度的
      var chartDom = document.getElementById('barChart');
      this.chart = echarts.init(chartDom);
      var emphasisStyle = {
        itemStyle: {
          shadowBlur: 10,
          shadowColor: 'rgba(0,0,0,0.1)'
        }
      };
      let option = {
        color: ['#6394F9','#F8BF20'],
        legend: {
          show: true,
          data: ['月度的', '季度的'],
          right: '1%',
          selected: {'季度的': false,} // 默认不显示月度的
        },
        grid: {
          left: '5%',
          right: '1%',
          bottom: '10%',
        },
        tooltip: {
          trigger: 'axis',
          backgroundColor: 'rgba( 0, 0, 0,0.7)',
          borderColor: 'rgba( 0, 0, 0,0.7)',
          formatter:function(params) {
            var str = params[0].name + '</br>'
            for(let item of params) {
              str = `<span style='color: #fff;'>${str}</span><div style='display:flex;align-items:center;justify-content:space-between;'><span>${item.marker}<span style='color: #fff;'>${item.seriesName}</span></span>&nbsp;&nbsp;&nbsp;&nbsp;<span style='color: #fff;'>${item.value}%</span></div>`
            }
            return str;
          }
        },
        xAxis: {
          data: xAxisData,
          name: '',
          axisLine: { onZero: false },
          splitLine: { show: false },
          splitArea: { show: false }
        },
        yAxis: {
          splitLine: {
            lineStyle: {
              type: 'solid',
            }
          },
          axisLabel: {
              show: true,
              formatter: (value) => {
                return `${value.toFixed(2)}%`
              }
            },
        },
        series: [
          {
            name: '月度的',
            type: 'bar',
            stack: 'one',
            // emphasis: emphasisStyle,
            // barWidth: '60%', // 设置柱宽为系列宽度的
            data: mounthly,
          },
          {
            name: '季度的',
            type: 'bar',
            stack: 'one',
            // emphasis: emphasisStyle,
            // barWidth: '60%', // 设置柱宽为系列宽度的
            data: quarterlyData,
          }
        ]
      }
      this.chart.setOption(option,true);
    },

    // 监听侧边栏导航的宽度发生变化
    addEventListenerToSidebarContainer(_this) {
      let sidebarContainer = document.getElementsByClassName("sidebar-container")[0];
      this._thisForChart = _this;
      sidebarContainer &&
        sidebarContainer.addEventListener("transitionend", this.sidebarResizeHandler);
    },
    removeEventListenerToSidebarContainer() {
      let sidebarContainer = document.getElementsByClassName("sidebar-container")[0];
      this._thisForChart = null
      sidebarContainer &&
        sidebarContainer.removeEventListener("transitionend", this.sidebarResizeHandler);
    },

    sidebarResizeHandler(e) {
      if (e.propertyName === "width") {
        this._thisForChart.chart.resize();
      }
    },

    // window 的尺寸发生变化的时候 会执行图表的resize
    addEventListenerToWindowResize(_this) {
      this._thisForWindow = _this;
      window.addEventListener("resize", this.windowResizeHandler);
    },
    removeEventListenerToWindowResize(_this) {
     this. _thisForWindow = null
      window.removeEventListener("resize", this.windowResizeHandler);
    },

    windowResizeHandler(e) {
      this._thisForWindow.chart.resize();
    },

  },

}
</script>

<style lang="scss" scoped>

</style>
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展示效果图：