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Popup标注视图

TIP

Popup标注视图示例。

代码如下:

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vue
<template>
  <div id="map"></div>
</template>

<script lang="ts" setup>
import { onMounted, onBeforeUnmount } from "vue";
import L from "leaflet";
import { MAPURL, ATTRIBUTIONS } from "../../../constants";

let map: L.Map | null = null;
const initMap = () => {
  //地图容器
  map = L.map("map", {
    //参考坐标系
    crs: L.CRS.EPSG3857,
    //显示中心
    center: [22.548857, 114.064839],
    //当前显示等级
    zoom: 10,
  });

  //加载图层
  L.tileLayer(MAPURL, {
    noWrap: true,
    attribution: ATTRIBUTIONS,
  }).addTo(map);
  //添加图片标注
  const Marker = L.marker([22.548857, 114.064839]).addTo(map);

  /**鼠标单击事件
   *  @param {string} type 事件类型(鼠标单击)
   *  @param {function} fn 事件触发后的响应函数
   */
  Marker.on("click", function () {
    if (!map) return;
    //添加Popup标注,显示一段文字和一幅图片
    L.popup()
      .setLatLng([22.548857, 114.064839])
      .setContent(
        '<div style="width:268px;font-size:16px;margin-bottom:10px;">我在深圳打工!</div> <img style="width:268px;" src="/image/shenzhen-pic.webp" />'
      )
      .openOn(map);
  });
};

onMounted(() => {
  initMap();
});

// 销毁地图
onBeforeUnmount(() => {
  if (map) {
    map.remove();
    map = null;
  }
});
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
#map {
  height: 650px;
  color: #3a3a3a;
}
</style>

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