百度Echarts仪表盘系列之自定义圆环-web建站教程在线编辑器

源代码：

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>ECharts 实例</title>
	<script src="/js/jquery-1.9.0.min.js"></script>
    
    <script src="/js/echarts.min.js"></script>
</head>
<body>
    <div id="main" style="width: 100%;height:450px;"></div>
    <script type="text/javascript">
        // value值
        let num=85;
        // 通过值控制圆环缺口
        let arr=[95,15];
        // 圆环起始角度
        let startAngle=-((arr[1]/100)*360)/2;
        let radius=["42%", "44%"];
        let radius2=["56%", "58%"];
        let radius3='53%';
        option = {
           backgroundColor:'#030c2b',
           title:{
              text:'进度：'+num ,
              textStyle:{
                  color:'#fff',
                  fontSize:40
              },
              top:'47%',
              left:'60%'
           },
          polar: [
            {
              radius: ["33.5%", "63%"],
              center: ["50%", "50%"],
            },
          ],
          angleAxis: {
            max: 100,
            show: false,
            inverse: false,
          },
          radiusAxis: {
            type: "category",
            show: true,
            axisLabel: {
              show: false,
            },
            axisLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
          },
          series: [
            //极坐标柱状图
            {
              type: "pie",
              zlevel: 0,
              silent: true,
              startAngle: startAngle,
              radius: radius,
              z: 1,
              label: {
                normal: {
                  show: false,
                },
              },
              labelLine: {
                normal: {
                  show: false,
                },
              },
              itemStyle: {
                color: (params) => {
                  if (params.data == 15) {
                    return "transparent";
                  } else {
                    return '#3579f6';
                  }
                },
              },
              data: arr,
            },
            {
              type: "pie",
              zlevel: 0,
              silent: true,
              startAngle: startAngle,
              radius: radius2,
              z: 1,
              label: {
                normal: {
                  show: false,
                },
              },
              labelLine: {
                normal: {
                  show: false,
                },
              },
              itemStyle: {
                color: (params) => {
                  if (params.data == 15) {
                    return "transparent";
                  } else {
                    return '#3579f6';
                  }
                },
              },
              data: arr,
            },
            //分割刻度
            {
              type: "gauge",
              radius: radius3,
              clockwise: false,
              startAngle: startAngle,
              endAngle: 360+startAngle-0.000001,
              splitNumber: 30,
              detail: {
                offsetCenter: [0, 0],
                formatter: " ",
              },
              pointer: {
                show: false,
              },
              axisLine: {
                show: true,
                lineStyle: {
                  color: [
                    [0, "#fff"],
                    [-startAngle / 180, "transparent"],
                    [(100/(arr[0]/100) - num) / (100/(arr[0]/100)), "rgba(53,53,53,.3)"],
                    [1, "#3579f6"],
                  ],
                  width: 26,
                  shadowColor: "#3579f6",
                  shadowBlur: 1,
                },
              },
              axisTick: {
                show: false,
              },
              splitLine: {
                show: true,
                length: 26,
                distance:-26,
                lineStyle: {
                  color: "rgba(0,0,0,1)",
                  width: 4,
                },
              },
              axisLabel: {
                show: false,
              },
            },
          ],
        };
        var myChart = echarts.init(document.getElementById('main'));
        myChart.setOption(option);
    </script>
</body>
</html>

源代码：点击运行 》

运行结果：

源代码：