echarts餅狀圖進度條

myChart.setOption(
        {
          title: {
            show: true,
            text: '完成度',
            x: 'center',
            textStyle: {
              fontWeight: 'normal',
              fontSize: 16
            }
          },
          animation: true,
          tooltip: {
            show: false
          },
          series: [
            {
              name: '完成度',
              type: 'pie',
              radius: ['50%', '70%'],
              avoidLabelOverlap: false,
              hoverAnimation: false,
              silent: true,
              labelLine: {
                normal: {
                  show: false
                }
              },
              data: [
                {
                  value: 20,
                  name: '完成度',
                  selected: false,
                  label: {
                    normal: {
                      show: true,
                      position: 'center',
                      fontSize: 20,
                      formatter: '{b}\n{d}%'
                    }
                  },
                  itemStyle: {
                    color: '#91c7ae'
                  }
                },
                {
                  value: 80,
                  label: {
                    normal: {
                      show: false
                    }
                  },
                  itemStyle: {
                    color: '#eee'
                  }
                }
              ]
            }
          ]
        }
      )

效果圖