Vue3管理后台项目使用高德地图选点的实现

<script setup>
import AMapLoader from '@amap/amap-jsapi-loader';
window._AMapSecurityConfig = {
  securityJsCode: '你申请的安全密钥',
};
</script>

<script setup>
const map = shallowRef(null);
let AMapObj;
function initMap() {
   AMapLoader.load({
     key: '你申请的Key', 
     version: '2.0',
   }).then(AMap => {
        AMapObj = AMap;
        map.value = new AMap.Map('mapContainer');
      })
}
</script>

<template>
<div class="map-wrapper">
    <div id="mapcontainer"></div>
    <div class="search-box">
        <el-autocomplete
            v-model="keyword"
            :fetch-suggestions="handleSearch"
            :trigger-on-focus="false"
            clearable
            placeholder="输入城市+关键字搜索"
            @select="handleSelect"
            style="width: 300px"
        />
        <el-input
            v-model="location.longitude"
            placeholder="点击地图选择经度"
            maxlength="15"
            readonly
            style="width: 150px; margin: 0 5px"
        ></el-input>
        <el-input
            v-model="location.latitude"
            placeholder="点击地图选择纬度"
            maxlength="15"
            readonly
            style="width: 150px"
        ></el-input>
    </div>
</div>
</template>

<script setup>
import AMapLoader from '@amap/amap-jsapi-loader';
window._AMapSecurityConfig = {
    securityJsCode: '你申请的安全密钥',
};
const props = defineProps({
    modelValue: {
        type: Object,
        default() {
            return {};
        },
    },
});
const emit = defineEmits(['update:modelValue']);
const map = shallowRef(null);
// 地点
const location = computed({
    get() {
       return props.modelValue;
    },
    set(val) {
       emit('update:modelValue', val);
    },
});
watch(location, (val) => {
    if (val.longitude && val.latitude) {
        drawMarker();
    }
  }
);
const keyword = ref('');
let placeSearch, AMapObj, marker, geocoder;
function initMap() {
    AMapLoader.load({
    key: '', // 申请好的Web端Key，首次调用 load 时必填
    version: '2.0'
    }).then(AMap => {
        AMapObj = AMap;
        map.value = new AMap.Map('mapcontainer');
        // 添加点击事件
        map.value.on('click', onMapClick);
        if (location.value.longitude) {
          drawMarker();
        }
        AMap.plugin(
            ['AMap.ToolBar','AMap.Scale','AMap.Geolocation','AMap.PlaceSearch', 'AMap.Geocoder'],
            () => {
            // 缩放条
            const toolbar = new AMap.ToolBar();
            // 比例尺
            const scale = new AMap.Scale();
            // 定位
            const geolocation = new AMap.Geolocation({
            enableHighAccuracy: true, //是否使用高精度定位，默认:true
            timeout: 10000, //超过10秒后停止定位，默认：5s
            position: 'RT', //定位按钮的停靠位置
            buttonOffset: new AMap.Pixel(10, 20), //定位按钮与设置的停靠位置的偏移量，默认：Pixel(10, 20)
            zoomToAccuracy: true, //定位成功后是否自动调整地图视野到定位点
        });
        geocoder = new AMap.Geocoder({
            city: '全国',
        });
        map.value.addControl(geolocation);
        map.value.addControl(toolbar);
        map.value.addControl(scale);
        placeSearch = new AMap.PlaceSearch({
            map: map.value,
            city: '',
            pageSize: 30, // 单页显示结果条数
            pageIndex: 1, // 页码
            citylimit: false, // 是否强制限制在设置的城市内搜索
            autoFitView: true,
        });
      }
    );
})
}
onMounted(() => {
    initMap();
});
// 搜索地图
function handleSearch(queryString, cb) {
    placeSearch.search(queryString, (status, result) => {
        if (result && typeof result === 'object' && result.poiList) {
            const list = result.poiList.pois;
            list.forEach(item => {
                item.value = item.name;
                item.label = item.name;
            });
            cb(list);
        } else {cb([])}
    });
}
// 点击地图
function onMapClick(e) {
    const { lng, lat } = e.lnglat;
    // 逆地理编码
    geocoder.getAddress([lng, lat], (status, result) => {
        if (status === 'complete' && result.info === 'OK') {
            const { addressComponent, formattedAddress } = result.regeocode;
            let { city, province, district } = addressComponent;
            if (!city) {
                // 直辖市
                city = province;
            }
            location.value = {
                longitude: lng,
                latitude: lat,
                address: formattedAddress,
                zone: [province, city, district],
            };
        }
    });
}
// 点击搜索项
function handleSelect(item) {
    const { pname, cityname, adname, address, name } = item;
    const { lng, lat } = item.location;
    location.value = {
        longitude: lng,
        latitude: lat,
        address,
        zone: [pname, cityname, adname],
        name,
    };
    map.value.setZoomAndCenter(16, [lng, lat]);
}
// 绘制地点marker
function drawMarker(val) {
    const { longitude, latitude } = location.value || val;
    if (marker) {
       marker.setMap(null);
    }
    marker = new AMapObj.Marker({
        position: new AMapObj.LngLat(longitude, latitude),
        anchor: 'bottom-center',
    });
    map.value.add(marker);
    map.value.setZoomAndCenter(16, [longitude, latitude]);
}
</script>

<style lang="scss" scoped>
.map-wrapper {
    position: relative;
    width: 100%;
    height: 400px;
    #mapcontainer {
        width: 100%;
        height: 100%;
    }
    .search-box {
        position: absolute;
        top: 10px;
        left: 10px;
        z-index: 1;
        display: flex;
        align-items: center;
    }
}
</style>