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VueEcharts实现带滚动效果的柱形图

创建时间:2022-04-02 15:31  

本文实例为大家分享了Vue Echarts实现带滚动效果的柱形图的具体代码,供大家参考,具体内容如下

代码

<template>
 <div class="timeLineview">
  <div v-bind:style="{ height: heightData + 'px' }" ref="categoryChart"></div>
  <div v-bind:style="{ height: noHeight + 'px' }" class="nomore">
   {{ noData }}
  </div>
 </div>
</template>

<script>
import echarts from "echarts";
export default {
 components: {},
 name: "timeLine",
 props: {
  question: {}
 },
 data() {
  return {
   datainfo: [],
   datatitle: [],
   chart: null,
   heightData: 300,
   noHeight: 0,
   noData: ""
  };
 },
 methods: {
  resize() {
   this.chart.resize();
  },
  find() {
  //获取数据
   if (this.question) {
    for (let index = 0; index < this.question.length; index++) {
     if (this.question[index].statValue > 0) {
     //y轴
      this.datainfo.push(this.question[index].statValue);
      //X轴
      this.datatitle.push(this.question[index].statLabel);
     }
    }
   }

   this.chart = echarts.init(this.$refs.categoryChart);
   const option = {
    tooltip: {
     trigger: "axis",
     axisPointer: {
      type: "shadow"
     }
    },
    title: {},
    legend: {},
    dataZoom: [
     {
      type: "slider",
      start: 0,
      end: (100 / this.datainfo.length) * 5  //显示五个
     },
     {
      type: "inside",
      start: 0,
      end: (100 / this.datainfo.length) * 5//显示五个
     }
    ],
    xAxis: {
     data: this.datatitle
    },
    yAxis: { minInterval: 1 },  //显示为整数 最小间距1
    series: [
     {
      type: "bar",
      name: "数量",
      data: this.datainfo,

      itemStyle: {
       color: "#77bef7"
      }
     }
    ]
   };
   this.chart.setOption(option);
   if (this.datainfo.length > 0) {
    this.heightData = 300;
   } else {
    this.heightData = 0;
    this.noHeight = 300;
    this.noData = "暂无数据";
   }
  }
 },
 mounted() {
  this.find();
 },
 created() {}
};
</script>

<style lang="less" scoped>
.nomore {
 display: flex;
 justify-content: center;
 align-items: center;
 font-size: 18px;
}
</style>

效果图

VueEcharts实现带滚动效果的柱形图

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持源码搜藏网。

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