[JavaScript知识库]echarts 仪表盘 超出指定范围改变表盘颜色

let myChart = this.$echarts.init(document.getElementById("yibiao1"));
let JbColor = new this.$echarts.graphic.LinearGradient(1, 1, 1, 0, [
        { offset: 0.1, color: "#FDE73B" },
        { offset: 0.4, color: "#00D21A" },
        { offset: 1, color: "#00D2EF" },
]);
let option = {
        series: [
          {
            type: "gauge",
            min: 0,
            max: maxData,
            splitNumber: 4,
            radius: "85%",
            axisLine: {
              //仪表盘圈的样式
              lineStyle: {
                color: JbColor,
                width: 8, //圆环宽度（坐标轴宽度）
              },
            },
            pointer: {
              width: 2,
              itemStyle: {
                color: "auto",
              },
            },

            axisTick: {
              //坐标轴小标记
              show: false,
              distance: 30,
              length: 1,
              lineStyle: {
                color: "#ffffff",
                width: 1,
              },
            },
            splitLine: {
              // 分隔线
              length: 0, // 属性length控制线长
              lineStyle: {
                color: "auto",
              },
            },
            axisLabel: {
              //刻度文字
              color: "#00DBF5", //文字颜色
              fontSize: 12,
              padding: 0,
              textShadowBlur: 20,
              textShadowOffsetX: 1,
              textShadowOffsetY: 1,
              textShadowColor: "#fff",
              distance: 15,
            },
            detail: {
              //其余属性默认使用全局文本样式，详见TEXTSTYLE
              fontWeight: "bolder",
              shadowBlur: 5,
              shadowColor: "#00A0E9",
              shadowOffsetX: 0,
              shadowOffsetY: 1,
              textShadowOffsetX: 0,
              textShadowOffsetY: 1,
              fontFamily: "Arial",
              fontSize: 25,
              width: 20,
              height: 1,
              color: "#62D4FB",
              rich: {},
            },
            data: [
              {
                value: realData,
              },
            ],
          },
        ],
};


if (realData >= maxData) {
        option.series[0].axisLine.lineStyle.color = [
          [0.0, "lime"],
          [maxData / realData, JbColor],
          [1 + realData / maxData, "#ff0000"],
          [1, option.series[0].axisLine.lineStyle.color],
        ];
      } else {
        option.series[0].axisLine.lineStyle.color = [
          [0.0, "lime"],
          [1, JbColor],
        ];
}

myChart.setOption(option);