1. 项目环境：vue3+ts+vite
2. ol版本：7.1.0
3. 安装：
   yarn add ol或者npm i ol
4. 使用：保护区和标记点

	<template>
  <div id="map" class="my_map">
    <div>我在地域</div>
  </div>
</template>

<script lang="ts" setup>
import { onMounted, reactive, shallowRef } from "vue";

import "ol/ol.css"; // 样式
import { Map, View, Feature } from "ol";
import TileLayer from "ol/layer/Tile";
import VectorSource from "ol/source/Vector.js";
import VectorLayer from "ol/layer/Vector.js";
import { XYZ, Cluster } from "ol/source";
import { defaults, ZoomSlider, Attribution, ScaleLine, FullScreen } from "ol/control";
import { Point, Polygon, MultiPolygon } from "ol/geom";
import { Style, Icon, Fill, Stroke, Text } from "ol/style";

import { getArea } from "@/api/species";
import { useRouter } from "vue-router";
import polygonData from '@/utils/feature.json'

const map = shallowRef(); // 存放地图实例
const router = useRouter();
const state = reactive({
  loading: false,
  name: '',
  mapData: [] as any[]
})

// 区域默认样式
let defaultStyle = new Style({
  fill: new Fill({
    color: "#16a08580"
  }),
  stroke: new Stroke({
    width: 2,
    color: '#16a085'
  })
})

// 区域高亮样式
let hightStyle = new Style({
  fill: new Fill({
    color: "#40e0d080"
  }),
  stroke: new Stroke({
    width: 2,
    color: '#40e0d0'
  })
})

let highlight: any; // 设置高亮元素变量
onMounted(() => {
  state.name = router.currentRoute.value.query.name as string || '';
  initMap()
  // onLoad()
  addArea(polygonData.features)

  addMarker([[101.501624, 24.966174], [101.501624, 24.966265], [101.501624, 21.966456], [101.501624, 24.116447], [101.501624, 24.966438], [101.501624, 24.966429], [101.501624, 24.966414]])
})

// 实例化地图
function initMap() {
  // 清除地图节点中的其他元素
  let map_dom = document.querySelector(".my_map");
  if (map_dom && map_dom.children[0]) {
    map_dom!.removeChild(map_dom!.children[0]);
  }
  // 地图实例
  map.value = new Map({
    target: "map", // 挂载元素id
    // 设置地图图层
    layers: [
      new TileLayer({
        source: new XYZ({
          url: "http://t0.tianditu.gov.cn/img_w/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=img&STYLE=default&TILEMATRIXSET=w&FORMAT=tiles&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&tk=你的key",
        }),
      }), // 天地图瓦片底图
      new TileLayer({
        source: new XYZ({
          url: "http://t0.tianditu.gov.cn/cia_w/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cia&STYLE=default&TILEMATRIXSET=w&FORMAT=tiles&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&tk=你的key",
        }),
      }), // 天地图标注
    ],
    // 设置显示地图的视图
    view: new View({
      // 设置地图中心范围
      projection: "EPSG:4326", //EPSG:3857坐标系（投影坐标） EPSG:4326 坐标系（地理坐标）
      center: [101.501624, 24.966424], // 定义地图显示中心于经度，纬度
      zoom: 5, // 缩放级别
      maxZoom: 19, // 最大缩放级别
      minZoom: 1, // 最小缩放级别
      constrainResolution: true, //自动缩放到距离最近的整数级，非整数级别时地图会糊
      smoothResolutionConstraint: false, //2.关闭无级缩放地图
    }),
    //设置地图控件
    controls: defaults().extend([
      new ZoomSlider(), // 缩放按钮
      new Attribution(), // 版权信息
      new ScaleLine(), // 比例尺
      new FullScreen(), // 全屏控件
    ]),
  });


}

/**
 * 设置区域
 */
function addArea(geo: any[]) {
  if (geo.length == 0) return false;
  let areaFeature = null as any;
  // 设置图层
  let areaLayer = new VectorLayer({
    style: defaultStyle, // 默认样式
    source: new VectorSource({
      features: []
    })
  });
  // 添加图层
  map.value.addLayer(areaLayer);
  geo.forEach((item: any) => {
    if (item.geometry.type == "MultiPolygon") {
      areaFeature = new Feature({
        properties: item.properties,
        geometry: new MultiPolygon(
          item.geometry.coordinates
        )
      });
    } else if (item.geometry.type == "Polygon") {
      areaFeature = new Feature({
        properties: item.properties,
        geometry: new Polygon(
          item.geometry.coordinates
        )
      });
    }
    areaLayer!.getSource()!.addFeatures([areaFeature]);
  });
  //悬浮切换图层颜色
  map.value.on("pointermove", function (evt: any) {
    // 是否是拖拽事件
    if (evt.dragging) {
      return;
    }
    let feature = map.value.forEachFeatureAtPixel(evt.pixel, function (feature: any) {
      return feature;
    });

    // 是否规划区域
    if (feature && (feature.getGeometry() instanceof Polygon || feature.getGeometry() instanceof MultiPolygon)) {
      map.value.getTargetElement().style.cursor = "pointer"
      if (highlight) {
        highlight.setStyle(defaultStyle)
      }
      highlight = feature;
      feature.setStyle(hightStyle)
    } else {
      map.value.getTargetElement().style.cursor = ""
      if (highlight) {
        highlight.setStyle(defaultStyle)
      }
    }
  });

  //单机图层
  map.value.on("singleclick", function (evt: any) {
    // 判断点击的坐标是否在保护区范围内
    let feature = map.value.forEachFeatureAtPixel(evt.pixel, function (feature: any) {
      return feature;
    });
    if (feature != null) {
      let properties = feature.get("properties");
      console.log(feature.getGeometry(), properties); //{"name": "高黎贡山","ID": 95, "Area": 4800000000,"sheng": ""}
      // todo 点击事件
    }
  });
}


//添加标记点
function addMarker(lnglat: any, options = {}) {
  const lnglats = lnglat;
  // 创建Feature对象集合
  const features = [];
  for (let i = 0; i < lnglats.length; i++) {
    if (lnglats[i][0] !== '' && lnglats[i][1] !== '') {
      const numAry = new Feature({
        properties: {
          name: 'dsfsasadf'
        },
        geometry: new Point([parseFloat(lnglats[i][0]), parseFloat(lnglats[i][1])]),
      });
      features.push(numAry);
    }
  }

  const clusterSource = new Cluster({
    distance: 0.1, //标注之间
    source: new VectorSource({
      features: features,
    }),
  });

  const iconStyle = new Style({
    image: new Icon({
      opacity: 1,
      src: 'https://cdn-icons-png.flaticon.com/512/1483/1483336.png',
      anchor: [0.5, 3], // 偏移位置
      anchorOrigin: "bottom-left",
      anchorXUnits: "fraction",
      anchorYUnits: "pixels",
      offsetOrigin: "top-right",
      offset: [0, 1], //偏移量设置
      scale: 0.08, //图标缩放比例
    }),
    text: new Text({
      text: '测试名称',
      fill: new Fill({
        color: "#fff",
      }),
      offsetY: -50,
    })
  });

  const clusters = new VectorLayer({
    source: new VectorSource({
      features: features,
    }),
    style: iconStyle,
    ...options,
  });
  map.value!.addLayer(clusters);
}

// 请求数据
function onLoad() {
  try {
    if (!state.name) return;
    state.loading = true;
    getArea(state.name).then(res => {
      if (res.data.code === 200) {
        if (res.data.data instanceof Array) {
          state.mapData = res.data.data;
          addMarker(state.mapData, { name: "block" });
        }
      }
      state.loading = false;
    });
  } catch (e) {
    state.loading = false;
  }
}

</script>

<style>
.my_map {
  width: 100%;
  height: 800px;
}
</style>