饼图

function (data, params) {
  const myChart = this.myChart;
  let _data = [];
  if (data.length && data[1]) {
    _data = [
      { value: data[1].count, name: '硕士' },
      { value: data[2].count, name: '博士' },
    ];
  }

  // 配置图表选项
  const option = {
    title: {
      text: ''
    },
    tooltip: {
      trigger: 'item',
    },

    series: [
      {
        color: ['#30ede8FF', '#ffe04dFF'],
        name: '',
        type: 'pie',
        radius: ['55%', '80%'],
        avoidLabelOverlap: false,
        padAngle: 5,
        itemStyle: {
          borderRadius: 5,
        },
        label: {
          show: false,
          position: 'center',
        },
       
        labelLine: {
          show: false,
        },
        data: _data,
        data2: [
          { value: 1256, name: '硕士' },
          { value: 856, name: '博士' },
        ],
      },
    ],
  }
  return option;
}