基础的矢量标记、圆、多边形

上次更新 2025年8月20日星期三 3:16:20 字数 0 字 时长 0 分钟

示例

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代码实现

<template>
  <div id="map" class="w-full h-96"></div>
</template>

<script setup>
import { onMounted } from "vue";
import "ol/ol.css";
import Map from "ol/Map";
import View from "ol/View";
import TileLayer from "ol/layer/Tile";
import XYZ from "ol/source/XYZ";
import { fromLonLat } from "ol/proj";
import VectorSource from "ol/source/Vector";
import VectorLayer from "ol/layer/Vector";
import Feature from "ol/Feature";
import Point from "ol/geom/Point";
import Circle from "ol/geom/Circle";
import Polygon from "ol/geom/Polygon";
import { Style, Fill, Stroke, Circle as CircleStyle } from "ol/style";

onMounted(() => {
  // 创建地图
  const map = new Map({
    target: "map",
    layers: [
      new TileLayer({
        source: new XYZ({
          url: "http://{a-c}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png",
        }),
      }),
    ],
    view: new View({
      center: fromLonLat([-0.09, 51.505]),
      zoom: 13,
    }),
  });

  // 创建矢量图层
  const vectorSource = new VectorSource();
  const vectorLayer = new VectorLayer({
    source: vectorSource,
  });
  map.addLayer(vectorLayer);

  // 添加标记点
  const marker = new Feature({
    geometry: new Point(fromLonLat([-0.09, 51.505])),
  });
  marker.setStyle(
    new Style({
      image: new CircleStyle({
        radius: 6,
        fill: new Fill({
          color: "#3388ff",
        }),
        stroke: new Stroke({
          color: "#ffffff",
          width: 2,
        }),
      }),
    })
  );
  vectorSource.addFeature(marker);

  // 添加圆
  const circle = new Feature({
    geometry: new Circle(fromLonLat([-0.11, 51.508]), 500),
  });
  circle.setStyle(
    new Style({
      fill: new Fill({
        color: "rgba(255,0,51,0.5)",
      }),
      stroke: new Stroke({
        color: "red",
        width: 2,
      }),
    })
  );
  vectorSource.addFeature(circle);

  // 添加多边形
  const polygon = new Feature({
    geometry: new Polygon([
      [
        fromLonLat([-0.08, 51.509]),
        fromLonLat([-0.06, 51.503]),
        fromLonLat([-0.047, 51.51]),
        fromLonLat([-0.08, 51.509]),
      ],
    ]),
  });
  polygon.setStyle(
    new Style({
      fill: new Fill({
        color: "rgba(51,136,255,0.5)",
      }),
      stroke: new Stroke({
        color: "#3388ff",
        width: 2,
      }),
    })
  );
  vectorSource.addFeature(polygon);
});
</script>

<style scoped>
.w-full {
  width: 100%;
}
.h-96 {
  height: 24rem;
}
</style>