一个带点的环形进度条

描述:当前是关于Echarts图表中的 柱状图 示例。
 
            
option = {
   //你的代码
  title: {
    text: 50 + '%',
    textStyle: {
      color: '#041627',
      fontSize: 36
    },
    subtext: '整改率',
    subtextStyle: {
      color: '#333D46',
      fontSize: 24,
    },
    itemGap: 10,
    left: 'center',
    top: 'center'
  },
  grid: {
    left: '5%',
    top: '15%',
  },
  angleAxis: {
    max: 100,
    clockwise: true, // 逆时针
    // 隐藏刻度线
    show: false,
    startAngle: 90
  },
  radiusAxis: {
    type: 'category',
    show: true,
    boundaryGap: false,
    axisLabel: {
      show: false
    },
    axisLine: {
      show: false
    },
    data: [1,23],
    axisTick: {
      show: false
    }
  },
  polar: [
    {
      center: ['50%', '50%'], //中心点位置
      radius: '91.5%' //图形大小
    }
  ],
  series: [
    {
      stack: 'round',
      type: 'bar',
      z: 10,
      data: [0,50],
      showBackground: false,
      backgroundStyle: {
        color: 'blue',
        borderWidth: 30,
        width: 12
      },
      coordinateSystem: 'polar',
      roundCap: true,
      barWidth: 60, //大的占比环
      itemStyle: {
        normal: {
          opacity: 1,
          color: new echarts.graphic.LinearGradient(1, 0, 0, 1, [
            {
              offset: 0,
              color: '#CCFFF9'
            },
            {
              offset: 1,
              color: '#3AD3C1'
            }
          ]),
          shadowBlur: 5,
          shadowColor: '#CCFFF9'
        }
      }
    },
    {
      stack: 'round',
      z: 11,
      type: 'bar',
      data: [{
        show: false
      },0.01],
      showBackground: false,
      coordinateSystem: 'polar',
      roundCap: true,
      barWidth: 100,
      itemStyle: {
         color: '#3AD3C1',
         borderColor: '#3AD3C1',
         borderWidth: 10,
         shadowBlur: 10,
         shadowColor: '#3AD3C1'
      },
    },
    {
      type: 'pie',
      name: '内层细圆环',
      radius: ['88%', '90%'],
      startAngle: 180,
      hoverAnimation: false,
      clockWise: true,
      itemStyle: {
        normal: {
          color: '#CCFFF9'
        }
      },
      tooltip: {
        show: false
      },
      label: {
        show: false
      },
      data: [100]
    }
  ]
};