官网调试地址：调试

效果图：

配置：

option = {
  color: ['#29BEFF', '#A2DC00', '#FFC400', '#FF7F5C', '#CA99FC'],
  // 提示窗
  tooltip: {
    trigger: 'item',
    show: false
  },
  // 图例
  legend: {
    top: '5%',
    left: 'center',
    show: false
  },
  // 数据
  series: [
    {
      name: 'Access From',
      type: 'pie',
      radius: ['35%', '60%'], //可以设置圆环的宽度
      avoidLabelOverlap: false,
      itemStyle: {
        borderColor: '#fff',
        borderWidth: 2
      },
      label: {
        show: true,
        formatter: '{d}%',
        position: 'outside',
        fontSize: 11,
        color: '#999'
      },
      emphasis: {
        label: {
          show: false,
          formatter: ['{a|{b}}', '{b|{c}}'].join('\n'),
          rich: {
            a: {
              fontFamily: 'PingFangSC-Regular',
              fontSize: 11,
              color: '#999',
              textAlign: 'center',
              lineHeight: 20,
              fontWeight: 400
            },
            b: {
              fontFamily: 'PingFangSC-Medium',
              fontSize: 20,
              color: '#333',
              letterSpacing: 0,
              textAlign: 'center',
              lineHeight: 30,
              fontWeight: 500
            },
            x: {
              fontSize: 18,
              fontFamily: 'Microsoft YaHei',
              borderColor: '#449933',
              borderRadius: 4
            }
          }
        }
      },
      labelLine: {
        show: false
      },
      data: [
        { value: 1048, name: 'Search Engine' },
        { value: 735, name: 'Direct' },
        { value: 580, name: 'Email' },
        { value: 484, name: 'Union Ads' },
        { value: 300, name: 'Video Ads' }
      ]
    },
    {
      name: '外边框',
      type: 'pie',
      clockWise: false,
      radius: ['32%', '32%'], //边框大小
      center: ['50%', '50%'], //边框位置
      data: [
        {
          value: 10,
          itemStyle: {
            normal: {
              borderWidth: 8, //设置边框粗细
              borderColor: '#eee' //边框颜色
            }
          }
        }
      ]
    },
    {
      //显示中间的数据
      name: 'Access From',
      type: 'pie',
      radius: ['35%', '60%'], //可以设置圆环的宽度
      avoidLabelOverlap: false,
      itemStyle: {
        borderColor: '#fff',
        borderWidth: 2
      },
      label: {
        show: false,
        formatter: '{d}%',
        position: 'center',
        fontSize: 11,
        color: '#999'
      },
      emphasis: {
        label: {
          show: true,
          formatter: ['{a|{b}}', '{b|{c}}'].join('\n'),
          rich: {
            a: {
              fontFamily: 'PingFangSC-Regular',
              fontSize: 11,
              color: '#999',
              textAlign: 'center',
              lineHeight: 20,
              fontWeight: 400
            },
            b: {
              fontFamily: 'PingFangSC-Medium',
              fontSize: 20,
              color: '#333',
              letterSpacing: 0,
              textAlign: 'center',
              lineHeight: 30,
              fontWeight: 500
            },
            x: {
              fontSize: 18,
              fontFamily: 'Microsoft YaHei',
              borderColor: '#449933',
              borderRadius: 4
            }
          }
        }
      },
      labelLine: {
        show: false
      },
      data: [
        { value: 1048, name: 'Search Engine' },
        { value: 735, name: 'Direct' },
        { value: 580, name: 'Email' },
        { value: 484, name: 'Union Ads' },
        { value: 300, name: 'Video Ads' }
      ]
    }
  ]
};