vueecharts/src/demo/data/pie.js

export default function getData() {
  return {
    textStyle: {
      fontFamily: 'Inter, "Helvetica Neue", Arial, sans-serif',
      fontWeight: 300
    },
    title: {
      text: "Traffic Sources",
      top: "5%",
      left: "center"
    },
    tooltip: {
      trigger: "item",
      formatter: "{a} <br/>{b} : {c} ({d}%)"
    },
    legend: {
      orient: "vertical",
      top: "5%",
      left: "5%",
      data: ["Direct", "Email", "Ad Networks", "Video Ads", "Search Engines"]
    },
    series: [
      {
        name: "Traffic Sources",
        type: "pie",
        radius: "55%",
        center: ["50%", "60%"],
        data: [
          { value: 335, name: "Direct" },
          { value: 310, name: "Email" },
          { value: 234, name: "Ad Networks" },
          { value: 135, name: "Video Ads" },
          { value: 1548, name: "Search Engines" }
        ],
        emphasis: {
          itemStyle: {
            shadowBlur: 10,
            shadowOffsetX: 0,
            shadowColor: "rgba(0, 0, 0, 0.5)"
          }
        }
      }
    ]
  };
}