text: const option = {
    title: {
      // text: '某站点用户访问来源',
      // subtext: '纯属虚构',
      // x: 'center'
    },
    tooltip: {
      trigger: 'item',
      formatter: '{a} <br/>{b} : {c} ({d}%)'
    },
    legend: {
      orient: 'vertical',
      left: 'left',
      data: ['北京', '天津', '上海']
    },
    series: [
      {
        name: '访问来源',
        type: 'pie',
        radius: '55%',
        center: ['50%', '60%'],
        data: [
          { value: 310, name: '北京' },
          { value: 234, name: '天津' },
          { value: 234, name: '上海' }
        ],
        itemStyle: {
          emphasis: {
            shadowBlur: 20,
            shadowOffsetX: 0,
            shadowColor: 'rgba(0, 0, 0, 0.5)'
          }
        }
      }
    ],
    color: ['#F7D205', '#98B7B7']
  }
  export default option
  