【Echarts公共组件封装(Vue版)】

• 在src目录下的components文件夹下新建文件ECharts.vue，代码如下：

<template>
  <div ref="echart"></div>
</template>

<script>
import * as echarts from "echarts";

export default {
  props: {
    isAxisChart: {
      // true:柱状图/折线图
      // false:饼状图
      type: Boolean,
      default: true,
    },
    chartData: {
      type: Object,
      default() {
        return {
          xData: [],
          series: [],
        };
      },
    },
  },
  data() {
    return {
      // 折线图或柱状图配置
      axisOption: {
        legend: {
          // 图例文字颜色
          textStyle: {
            color: "#333",
          },
        },
        grid: {
          left: "20%",
        },
        // 提示框
        tooltip: {
          trigger: "axis",
        },
        xAxis: {
          type: "category",
          data: [],
          axisLine: {
            lineStyle: {
              color: "#17b3a3",
            },
          },
          axisLabel: {
            interval: 0,
            color: "#333",
          },
        },
        yAxis: [
          {
            type: "value",
            axisLine: {
              lineStyle: {
                color: "#17b3a3",
              },
            },
          },
        ],
        color: ["#2ec7c9", "#b6a2de"],
        series: [],
      },
      // 饼状图配置
      normalOption: {
        tooltip: {
          trigger: "item",
        },
        color: [
          "#0f78f4",
          "#dd536b",
          "#9462e5",
          "#a6a6a6",
          "#e1bb22",
          "#39c362",
          "#3ed1cf",
        ],
        series: [],
      },
      echart:null
    };
  },
  computed: {
    options() {
      return this.isAxisChart?this.axisOption:this.normalOption;
    },
  },
  watch:{
    chartData:{
        handler:function(){
          this.initChart()
        },
        deep:true
    }
  },
  methods:{
    initChart(){
      this.initChartData();
      if(this.echart){
        this.echart.setOption(this.options);
      }else{
        this.echart = echarts.init(this.$refs.echart);
        this.echart.setOption(this.options)
      }
    },
    initChartData(){
      if(this.isAxisChart){
        this.axisOption.xAxis.data = this.chartData.xData;
        this.axisOption.series = this.chartData.series;
      }else{
        this.normalOption.series = this.chartData.series;
      }
    }

  }
};
</script>

• 在需要使用组件的文件中引用Echarts.vue文件

import EChart from "../../components/ECharts.vue";

• 注册组件

export default {
  name: "home",
  components: {
    EChart,
  },
 }

• 使用组件

<EChart :chartData="echartData.fruit" :isAxisChart="false" style="height: 260px"/>

• 数据

data() {
    return {
      echartData: {
        fruit: {
          series: [],
        },
      },
    };
  },
mounted() {
	this.echartData.fruit.series = [
          {
            data: [
              {
                name: "香蕉",
                value: 100,
              },
              {
                name: "苹果",
                value: 100,
              },
              {
                name: "芒果",
                value: 100,
              },
              {
                name: "黄桃",
                value: 100,
              },
              {
                name: "葡萄",
                value: 100,
              },
              {
                name: "柚子",
                value: 100,
              },
            ],
            type: "pie",
          },
        ];
}  

• 运行效果