<template>
  <div class="chart-container app-container nohead">
    <div id="chart" style="height:530px;margin-top:30px;"></div>
  </div>
</template>

<script>

import * as echarts from 'echarts';
import resize from '../mixins/resize'
export default {
  name: 'extend-graphDemo-echartsBar',
  mixins: [resize],
  data() {
    return {
      chart: null,
      option: {
        title: {
          text: '堆叠分类',
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {            // 坐标轴指示器，坐标轴触发有效
            type: 'shadow'        // 默认为直线，可选为：'line' | 'shadow'
          }
        },
        toolbox: {
          show: true,
          orient: 'vertical',
          left: 'right',
          top: 'center',
          feature: {
            mark: { show: true },
            dataView: { show: true, readOnly: false },
            magicType: { show: true, type: ['line', 'bar', 'stack', 'tiled'] },
            restore: { show: true },
            saveAsImage: { show: true }
          }
        },
        legend: {
          data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎', '百度', '谷歌', '必应', '其他']
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            type: 'category',
            data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ],
        series: [
          {
            name: '直接访问',
            type: 'bar',
            data: [320, 332, 301, 334, 390, 330, 320]
          },
          {
            name: '邮件营销',
            type: 'bar',
            stack: '广告',
            data: [120, 132, 101, 134, 90, 230, 210]
          },
          {
            name: '联盟广告',
            type: 'bar',
            stack: '广告',
            data: [220, 182, 191, 234, 290, 330, 310]
          },
          {
            name: '视频广告',
            type: 'bar',
            stack: '广告',
            data: [150, 232, 201, 154, 190, 330, 410]
          },
          {
            name: '搜索引擎',
            type: 'bar',
            data: [862, 1018, 964, 1026, 1679, 1600, 1570],
            markLine: {
              lineStyle: {
                normal: {
                  type: 'dashed',
                  color: 'linear',
                }
              },
              data: [
                [{ type: 'min' }, { type: 'max' }]
              ]
            }
          },
          {
            name: '百度',
            type: 'bar',
            //barWidth: 5,
            stack: '搜索引擎',
            data: [620, 732, 701, 734, 1090, 1130, 1120]
          },
          {
            name: '谷歌',
            type: 'bar',
            stack: '搜索引擎',
            data: [120, 132, 101, 134, 290, 230, 220]
          },
          {
            name: '必应',
            type: 'bar',
            stack: '搜索引擎',
            data: [60, 72, 71, 74, 190, 130, 110]
          },
          {
            name: '其他',
            type: 'bar',
            stack: '搜索引擎',
            data: [62, 82, 91, 84, 109, 110, 120]
          }
        ]
      }
    }
  },
  mounted() {
    this.initChart()
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(document.getElementById('chart'))
      this.chart.setOption(this.option)
    }
  }
}
</script>
