<template>
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<div class="page-container">
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<div class="map" id="map"></div>
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<div class="location-btn" @click="setMapLocation" v-show="locationShow">
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<van-image width="20" height="20" :src="locationIcon" />
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<div class="label">定位</div>
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</div>
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</div>
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</template>
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<script setup>
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import { searchGeocoder } from '@/utils/util'
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import mapnavIcon from '@/appDataSource/appwork/mapnav.svg'
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import incidentPoint from '@/appDataSource/appwork/positioning1.svg'
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import userLocationIcon from '@/appDataSource/leafletMapIcon/user-location.svg'
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import locationIcon from '@/appDataSource/leafletMapIcon/location-icon.svg'
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import { useStore } from 'vuex'
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import { basemapLayer0, basemapLayer1, basemapLayer2, basemapLayer3 } from '@/const/leafletConst'
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import L from 'leaflet'
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import 'leaflet/dist/leaflet.css'
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import sl from '@/appDataSource/leafletMapIcon/sl.svg'
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import yx from '@/appDataSource/leafletMapIcon/yx.svg'
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import EventBus from '@/utils/eventBus'
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import { wgs84ToGcj02 } from '@/utils/coordinateTransformation'
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const emit = defineEmits(['location-selected'])
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import _ from 'lodash'
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const { locationShow, createWorkShow, workNavigationShow, mapCurrentDetail, clearMarker } =
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defineProps({
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locationShow: {
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type: Boolean,
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default: false,
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},
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createWorkShow: {
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type: Boolean,
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default: false,
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},
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workNavigationShow: {
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type: Boolean,
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default: false,
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},
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mapCurrentDetail: {
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type: Object,
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},
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clearMarker: {
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type: Boolean,
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default: false,
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},
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})
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const currentAddress = ref('')
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const AMAP_KEY = '5b8ba312d053e4bdb44911733ece7d63'
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const basemap0 = L.layerGroup([basemapLayer0, basemapLayer1])
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const basemap1 = L.layerGroup([basemapLayer2, basemapLayer3])
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let map = null
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const layers = [
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{
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src: sl,
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name: '天地图电子',
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key: 1,
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map: basemap0,
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},
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{
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src: yx,
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name: '天地图影像',
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key: 2,
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map: basemap1,
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},
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]
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const setSelectMapLayerKey = ref(1) // 选择的地图图层
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let markersLayer = null
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const initMap = () => {
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if (map) return
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map = L.map('map', {
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preferCanvas: true,
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crs: L.CRS.EPSG4326,
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zoomControl: false,
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attributionControl: false,
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doubleClickZoom: false,
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editable: true, //绘制控件
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}).setView([25.992338, 114.823254], 13)
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markersLayer = L.layerGroup().addTo(map) // 创建一个标注层，便于管理和移除
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if (createWorkShow) {
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getMapLocation()
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}
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}
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const setMapLayer = item => {
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map.removeLayer(layers.find(i => i.key === setSelectMapLayerKey.value).map)
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map.addLayer(item.map)
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setSelectMapLayerKey.value = item.key
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}
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let locationFlag = false
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let watchId = null
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let userLocationMarker = null
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const setMapLocation = () => {
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locationFlag = true
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// 在WebView加载的网页中
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// 检查浏览器是否支持 geolocation
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if (navigator.geolocation) {
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if (watchId) {
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// 停止监听位置
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navigator.geolocation.clearWatch(watchId)
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}
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// 开始持续获取用户的位置
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watchId = navigator.geolocation.watchPosition(
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function (position) {
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// 成功获取位置信息时回调
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const lat = position.coords.latitude // 纬度
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const lng = position.coords.longitude // 经度
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if (userLocationMarker) {
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userLocationMarker.setLatLng([lat, lng])
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}
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if (locationFlag) {
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userLocationMarker = L.marker([lat, lng], {
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icon: L.icon({
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iconUrl: userLocationIcon, // 图片路径
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iconSize: [24, 24], // 图标尺寸
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iconAnchor: [12, 12], // 锚点位置
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}),
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}).addTo(map)
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mapSetView({
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lat,
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lng,
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})
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locationFlag = false
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}
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// 可以根据位置更新地图或界面
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},
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function (error) {
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// 如果获取位置失败，执行回调
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console.error('Error occurred: ' + error.message)
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},
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{
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enableHighAccuracy: true, // 尝试获取更高精度的定位
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timeout: 10000, // 如果10秒内没有获取到位置，就中止
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maximumAge: 0, // 始终请求新的定位，不使用缓存
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}
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)
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} else {
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console.log('Geolocation is not supported by this browser.')
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}
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// 获取定位信息
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// uni.getLocation({
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// type: 'wgs84', // 返回的经纬度是 WGS84 坐标系（适合地图定位）
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// isHighAccuracy: true,
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// success: function (res) {
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// location.value = res
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// },
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// fail: function (err) {
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// console.log('定位失败：', err)
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// },
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// })
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}
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let lastLocationMarker = null
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const getMapLocation = async () => {
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const customIcon = L.icon({
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iconUrl: mapnavIcon,
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iconSize: [26, 26],
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iconAnchor: [16, 32],
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})
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map.off('click')
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map.on('click', async function (e) {
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const { lat, lng } = e.latlng
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const [gcjLng, gcjLat] = wgs84ToGcj02(lng, lat)
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searchGeocoder(gcjLng, gcjLat, selectedAreaCode.value, (err, data) => {
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currentAddress.value = data.formattedAddress
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if (lastLocationMarker) {
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map.removeLayer(lastLocationMarker)
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}
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lastLocationMarker = L.marker([lat, lng], {
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icon: customIcon,
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}).addTo(map)
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lastLocationMarker
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.bindPopup(
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`<div style="font-size: 12px; ">
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${currentAddress.value || '未知地址'}
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</div>`,
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{
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maxWidth: Math.round(document.getElementById('map').clientWidth * 0.7),
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offset: L.point(-3, -customIcon.options.iconSize[1]),
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}
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)
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.openPopup()
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emit('location-selected', {
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latitude: lat,
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longitude: lng,
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address: currentAddress.value,
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})
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})
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})
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}
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watch(
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() => clearMarker,
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isClear => {
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if (isClear && createWorkShow) {
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if (lastLocationMarker) {
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map.removeLayer(lastLocationMarker)
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lastLocationMarker = null
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}
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currentAddress.value = ''
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}
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},
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{ immediate: false }
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)
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const mapSetView = data => {
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const { lat, lng, zoom = 16 } = data
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if (!map) return
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map.setView([lat, lng], zoom, {
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animate: false, // 使用动画过渡
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})
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}
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// 天气
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const store = useStore()
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const selectedAreaCode = computed(() => store.state.user.selectedAreaCode)
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// 存储事件点标记实例，用于后续更新或移除
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let incidentMarker = null
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// 添加事件点标记
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function addIncidentMarker(data) {
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// 检查地图和标记层是否已初始化
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if (!map || !markersLayer) {
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setTimeout(() => addIncidentMarker(data), 100)
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return
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}
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// 如果已有标记，先移除
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if (incidentMarker) {
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markersLayer.removeLayer(incidentMarker)
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}
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// 解析经纬度
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const lat = parseFloat(data.latitude)
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const lng = parseFloat(data.longitude)
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if (isNaN(lat) || isNaN(lng)) {
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console.error('经纬度格式错误')
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return
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}
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const incidentIcon = L.icon({
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iconUrl: incidentPoint, // 使用引入的事件点图标
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iconSize: [24, 28], // 图标尺寸
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iconAnchor: [15, 15], // 图标锚点（中心点）
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})
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// 创建标记并添加到标记层
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incidentMarker = L.marker([lat, lng], {
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icon: incidentIcon,
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zIndexOffset: 1000, // 确保该标记显示在其他标记上方
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}).addTo(markersLayer)
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// 存储关联数据
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incidentMarker.options.customData = data
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// 定位到该标记点
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mapSetView({
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lat,
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lng,
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zoom: 17,
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})
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}
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const mapCurrentDetailData = ref({})
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watch(
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() => mapCurrentDetail,
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newVal => {
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const newDataMap=JSON.parse(newVal)
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// 只有 workNavigationShow 为 true 且有经纬度时才添加标记
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if (workNavigationShow && newDataMap?.longitude && newDataMap?.latitude) {
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addIncidentMarker(newDataMap)
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mapCurrentDetailData.value = newDataMap
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} else if (!workNavigationShow && incidentMarker) {
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// 当 workNavigationShow 变为 false 时，移除已添加的标记
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markersLayer.removeLayer(incidentMarker)
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incidentMarker = null
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}
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},
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{ immediate: true, deep: true }
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)
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onMounted(async () => {
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await nextTick()
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initMap()
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map.addLayer(layers[0].map)
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EventBus.on('mapSetView', mapSetView)
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})
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onUnmounted(() => {
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EventBus.off('mapSetView', mapSetView)
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if (map) {
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map.remove()
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map = null
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}
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if (markersLayer) {
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markersLayer.clearLayers()
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markersLayer = null
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}
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incidentMarker = null
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mapCurrentDetailData.value = {}
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})
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</script>
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<style lang="scss" scoped>
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.page-container {
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position: relative;
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width: 100%;
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height: 100%;
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.map {
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width: 100%;
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height: 100%;
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}
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.location-btn{
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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position: absolute;
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right: 8px;
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width: 40px;
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height: 40px;
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background: #ffffff;
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box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.2);
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border-radius: 6px 6px 6px 6px;
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z-index: 996;
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.label {
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font-size: 10px;
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}
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}
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.location-btn {
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bottom: 76px;
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}
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}
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</style>
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