echarts版本：4.8.0
效果图：

实现：

<template>
  <div
    id="chart"
    style="width: 480px; height: 650px; background: #020f2b"
  ></div>
</template>

<script>
export default {
  data() {
    return {};
  },
  created() {},
  mounted() {
    this.initChart();
  },
  methods: {
    initChart() {
      var maxHeight = "65"; //最大高度/堤坝高度
      let markline = ["62", "57", "50", "0"]; //设计水位，汛限水位，当前水位，校核水位
      let normalColor = "#CBDDFF";
      let option = {
        xAxis: {
          type: "category",
          data: [""],
          axisTick: { show: false },
          axisLabel: {
            fontSize: 16,
            color: normalColor,
          },
          axisLine: {
            lineStyle: {
              color: "#FFF",
              width: 1,
            },
          },

          splitLine: {
            lineStyle: {
              color: "#FFF",
            },
          },
        },
        yAxis: {
          nameTextStyle: {
            fontSize: 16,
            color: normalColor,
          },
          max: maxHeight,
          min: 0,
          boundaryGap: [1, 1],
          type: "value",
          axisLine: {
            show: true,
            lineStyle: {
              color: "#FFF",
              width: 1,
            },
          },
          axisTick: { show: false },
          axisLabel: {
            fontSize: 16,
            color: normalColor,
          },
          splitLine: {
            show: false,
            lineStyle: {
              color: "#FFF",
              type: "dotted",
              opacity: 0.02,
              width: 1,
            },
          },
          splitNumber: 5,
        },
        grid: {
          top: "20%",
          right: "20%",
          left: "3%",
          bottom: "12%",
          containLabel: true,
        },
        graphic: {
          elements: [
            {
              type: "image",
              right: "3%",
              top: "18%",
              z: 5,
              bounding: "raw",
              origin: [0, 0],
              style: {
                image: require("../images/reservoir.png"),
                width: 130,
                height: 460,
              },
            },
            {
              type: "text",
              right: 0,
              top: "10%",
              right: "5%",
              z: 5,
              style: {
                text: "堤坝高度：" + maxHeight + "m",
                fill: "#FFF",
                fontSize: 16,
              },
            },
          ],
        },
        series: [
          {
            type: "bar",
            data: [markline[2]],
            barCategoryGap: "-100%",
            itemStyle: {
              color: new this.$echarts.graphic.LinearGradient(0, 0, 0, 1, [
                { offset: 0, color: "#0493df" },
                { offset: 1, color: "#0345a3" },
              ]),
            },
            markLine: {
              silent: true, //鼠标移入高亮 true不高亮
              data: [
                {
                  label: {
                    position: "middle",
                    fontSize: 18,
                    formatter: "{b}{c}m",
                    color: "#FF0",
                  },
                  name: "设计洪水位",
                  yAxis: markline[0],
                  lineStyle: { type: "solid", color: "#FF0", width: 1 },
                },
                {
                  label: {
                    position: "middle",
                    fontSize: 18,
                    formatter: "{b}{c}m",
                    color: "#FF473A",
                  },
                  name: "汛限水位",
                  yAxis: markline[1],
                  lineStyle: { type: "solid", color: "#FF473A", width: 1 },
                },
                {
                  label: {
                    position: "middle",
                    fontSize: 18,
                    formatter: "{b}{c}m",
                    color: "#1106df",
                  },
                  name: "当前水位",
                  yAxis: markline[2],
                  lineStyle: { type: "solid", color: "#1106df", width: 1 },
                },
                {
                  label: {
                    position: "insideMiddleBottom",
                    fontSize: 18,
                    formatter: "{b}{c}m",
                    color: "#FFF",
                  },
                  name: "校核洪水位",
                  yAxis: markline[3],
                  lineStyle: { type: "solid", color: "#FFF", width: 1 },
                },
              ],
            },
          },
        ],
      };
      let myChart = this.$echarts.init(document.getElementById("chart"));
      myChart.setOption(option);
      window.addEventListener("resize", () => {
        myChart.resize();
      });
    },
  }
};
</script>

附图片：

以上