环形饼图

描述:当前是关于Echarts图表中的 饼图 示例。
 
            option = {
   //你的代码
    backgroundColor: '#313131',

    title: [
        {
            text: "2.6小时",
            top: "51%",
            textAlign: "center",
            left: "49%",
            textStyle: {
              color: "#C2E0FF",
              fontSize: 16,
              fontWeight: "400",
              fontFamily: "PangMenZhengDao",
            },
          },
          {
            text: '平均逗留',
            top: "40%",
            textAlign: "center",
            left: "49%",
            textStyle: {
              color: "#fff",
              fontSize: 18,
              fontWeight: "400",
              fontFamily: "PangMenZhengDao",
            },
          },
        
        ],
        tooltip: { trigger: "item", textStyle: { fontSize: 24, }, formatter: '{b}: {c}% ' },
        legend: { textStyle: { color: "#ffffff" }, show: false },
        series: {
          type: 'pie', center: ["50%", "50%"], radius: ["40%", "60%"],
          showEmptyCircle: true,
          label: { formatter: '{b}: {c}% ', color: '#ffffff' },
          data: [
            { name: '3小时内', value: '43.8' },
            { name: '4小时', value: '18.4' },
            { name: '5小时', value: '13.96' },
            { name: '6小时', value: '8.98' },
            { name: '7小时', value: '4.6' },
            { name: '>8小时', value: '10.62' },

          ]
        }
};