bar.vue

<template>
    <div id="dialogBarDemand"></div>
</template>

<script>
  export default {
    name: 'demand',
    data() {
      return {
        title:'互动频次'
      }
    },
    props:{
      data:{
        type:Object,
        default:()=>{return {}}
      }
    },
    mounted() {
    },
    methods: {
      init(){
        let option = {
          tooltip: {
            trigger: 'axis'
          },
          grid: {
            top:20,
            left: '3%',
            right: '2%',
            bottom: '5%',
            containLabel: true
          },
          xAxis: {
            type: 'category',
            boundaryGap: true,//坐标轴两边留白
            data: this.data.xAxisData,
            axisLabel: { //坐标轴刻度标签的相关设置。
              interval:0,
              textStyle: {
                color: '#FFFFFF',
                fontStyle: 'normal',
                fontFamily: '微软雅黑',
                fontSize: 14,
              },
              formatter: function (value, index) {
                if(value.length > 4){
                  return value.slice(0,4)+ '...'
                }else {
                  return value
                }
              }
            },
            axisTick:{//坐标轴刻度相关设置。
              show: false,
            },
            axisLine:{//坐标轴轴线相关设置
              lineStyle:{
                color:'rgba(98,186,255,0.6)',
                type:'solid'
              }
            },
            splitLine: { //坐标轴在 grid 区域中的分隔线。
              show: false,
            }
          },
          yAxis: [
            {
              type: 'value',
              name:'单位/次',
              splitNumber: 5,
              max:100,
              axisLabel: {
                textStyle: {
                  color: '#FFFFFFFF',
                  fontStyle: 'normal',
                  fontFamily: '微软雅黑',
                  fontSize: 12,
                },
                interval:'auto'
              },
              axisLine:{
                show: false
              },
              axisTick:{
                show: false
              },
              splitLine: {
                show: true,
                lineStyle: {
                  color: 'rgba(98,186,255,0.6)',
                  type:'dashed'
                }
              }

            }
          ],
          series: [
            {
              type: 'bar',
              barWidth: 16, // 柱子宽度
              itemStyle:{
                barBorderRadius: 120, // 圆角（左上、右上、右下、左下）
              },

              color: new this.$echarts.graphic.LinearGradient(0, 0, 0, 1, [
                'rgba(78,255,253,1)', 'rgba(255,74,83,1)'
              ].map((color, offset) => ({
                color,
                offset
              }))), // 渐变
              data: this.data.yAxisData
            }
          ]
        };
        let echartsDiv = this.$echarts.init(document.querySelector('#dialogBarDemand'))
        echartsDiv.setOption(option,true)
      },
    }
  }
</script>

<style lang=scss>
   #dialogBarDemand{
    width: 100%;
    height: 16vh;
    margin-top: 0.6rem;
   }
</style>