vue2接入高德地图选择地理位置

高德地图开发者开放平台文档

<!-- 地图组件 -->
<template>
  <view class="store-map" id="app-store-map" ref="storeMap"></view>
</template>

<script>
import AMapLoader from "@amap/amap-jsapi-loader";
import appConfig from "@/config";
import { throttle } from "@/util/utils";
export default {
  data() {
    return {
      /** 地图实例 */
      map: null,
      /** 关键词搜索实例 */
      autoComplete: null,
      /** poi经纬度搜索实例 */
      placeSearch: null,
      /** 地理位置实例 */
      geolocation: null,
      /** 插件列表 */
      plugins: [
        "AMap.Geolocation",
        "AMap.PlaceSearch",
        "AMap.AutoComplete",
        "AMap.LngLat",
      ],
    };
  },
  created() {
    window._AMapSecurityConfig = {
      securityJsCode: appConfig.securityJsCode,
    };
  },
  mounted() {
    this.initMap();
  },
  methods: {
    initMap() {
      AMapLoader.load({
        key: appConfig.aMapKey, // 申请好的Web端开发者Key，首次调用 load 时必填
        version: "2.0", // 指定要加载的 JSAPI 的版本，缺省时默认为 1.4.15
        plugins: this.plugins,
      })
        .then((AMap) => {
          this.placeSearch = new AMap.PlaceSearch({
            city: "全国",
            type: "",
            pageIndex: 1,
            pageSize: 10,
            extensions: "all",
            datatype: "poi", // 搜索类型
            citylimit: true, // 强制在设置的城市中搜索
          });
          this.autoComplete = new AMap.AutoComplete({
            extensions: "all",
            datatype: "poi", // 搜索类型
            citylimit: true,
          });
          this.geolocation = new AMap.Geolocation({
            // 是否使用高精度定位
            enableHighAccuracy: true,
            // 定位超时时间
            timeout: 10000,
            // 定位成功后调整地图视野范围使定位位置及精度范围视野内可见，默认：false
            zoomToAccuracy: false,
            needAddress: true,
          });
          const map = new AMap.Map("app-store-map", {
            viewMode: "2D", //是否为3D地图模式
            zoom: 14, //初始化地图级别
          });
          this.map = map;
          // 地图移动结束后根据中心点查询
          map.on("complete", () => {
            this.getTipsByCurrentPos();
            this.$emit("loadEnd")
          });
          map.on("moveend", () => {
            this.getTipsByPos(map.getCenter());
          });
        })
        .catch((e) => {
          uni.showToast({ title: "地图绘制失败", icon: "error" });
        });
    },
    getPosLngLat(center) {
      const { lng, lat } = center;
      return new AMap.LngLat(lng, lat);
    },
    /** 根据输入内容搜索附近内容 */
    getTipsByKeywords(keyWords) {
      if (!keyWords.trim()) {
        this.getTipsByCurrentPos();
        return;
      }
      this.autoComplete.search(keyWords, (_status, result) => {
        const { tips } = result;
        const firstTip = tips[0];
        if (firstTip) {
          const { lng, lat } = firstTip.location;
          this.map.panTo([lng, lat]);
        }
        this.emitThrottle(tips);
      });
    },
    /** 根据地图中心经纬度查询附近内容 */
    getTipsByPos(centerPos) {
      this.placeSearch.searchNearBy(
        "",
        this.getPosLngLat(centerPos),
        10000,
        (_status, result) => {
          const tips = result.poiList.pois || [];
          this.emitThrottle(tips);
        },
      );
    },
    /** 根据当前定位搜索附近内容 */
    getTipsByCurrentPos() {
      this.geolocation.getCurrentPosition((status, result) => {
        const { lng, lat } = result.position;
        this.map.panTo([lng, lat]);
        this.getTipsByPos(result.position);
      });
    },
    /** 节流回调 */
    emitThrottle(tips) {
      throttle(() => {
        this.$emit("tipsChange", tips);
      }, 1500);
    },
  },
};
</script>

<style lang="scss" scoped>
.store-map {
  height: 100%;
}
</style>