Vue+Echarts可视化详解（统计图）

<template>
  <div>
    <el-row :gutter="20">
      <el-col :span="12">
        <div id="chart-pie" style="width: 100%; height: 400px;"></div>
      </el-col>
      <el-col :span="12">
        <div id="chart-bar" style="width: 100%; height: 400px;"></div>
      </el-col>
    </el-row>
  </div>
</template>
 
<script>
import * as echarts from 'echarts';
 
export default {
  name: 'StatisticsChart',
  mounted() {
    this.initCharts();
  },
  methods: {
    initCharts() {
      const chartPie = echarts.init(document.getElementById('chart-pie'));
      const chartBar = echarts.init(document.getElementById('chart-bar'));
 
      const optionPie = {
        title: {
          text: '访问来源'
        },
        tooltip: {
          trigger: 'item'
        },
        legend: {
          top: '5%',
          left: 'center'
        },
        series: [
          {
            name: '访问来源',
            type: 'pie',
            radius: '50%',
            data: [
              { value: 1048, name: '搜索引擎' },
              { value: 735, name: '直接访问' },
              { value: 580, name: '邮件营销' },
              { value: 484, name: '联盟广告' },
              { value: 300, name: '视频广告' }
            ],
            emphasis: {
              itemStyle: {
                shadowBlur: 10,
                shadowOffsetX: 0,
                shadowColor: 'rgba(0, 0, 0, 0.5)'
              }
            }
          }
        ]
      };
 
      const optionBar = {
        title: {
          text: '销售分析'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow'
          }
        },
        xAxis: {
          type: 'category',
          data: ['2011', '2012', '2013', '2014', '2015', '2016', '2017']
        },
        yAxis: {
          type: 'value'
        },
        series: [
          {
            name: '销售额',
            type: 'bar',
            data: [320, 332, 301, 334, 390, 330, 320]
          }
        ]
      };
 
      chartPie.setOption(optionPie);
      chartBar.setOption(optionBar);
 
      window.addEventListener('resize', function() {
        chartPie.resize();
        chartBar.resize();
      });
    }
  }
};
</script>
 
<style scoped>
/* 样式按需定制 */
</style>

这个代码实例展示了如何在Vue组件中初始化两个ECharts图表，一个是饼图，另一个是柱状图。它使用了Element UI的布局组件<el-row>和<el-col>来构建响应式的布局，并在组件的mounted生命周期钩子中初始化图表。图表的配置项采用了ECharts官方文档中