前言：
天地图为开发者提供应用程序开发接口和在线服务资源，可满足各类基于地理信息的应用开发需求。

引入

<script src="http://api.tianditu.gov.cn/api?v=4.0&tk=你注册的key" type="text/javascript"></script>

使用

<template>
  <div>
    <el-cascader
      @change="handleAddressChange"
      :options="addressValue"
      placeholder="请选择方案地区"
      filterable
      clearable
    >
    </el-cascader>
    <el-input
      v-model="detailedAddress"
      placeholder="请输入详细地址"
      clearable
    />
    <el-button @click="getLocation">定位</el-button>
    <h2>address:{{ siteInfo.address }}</h2>
    <div class="map-containera" id="map-containera">
      <div
        id="searchResultPanel"
        style="
          border: 1px solid #c0c0c0;
          width: 150px;
          height: auto;
          display: none;
        "
      ></div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, onMounted, nextTick, getCurrentInstance } from 'vue'
import { ElMessage } from 'element-plus'
import useCascaderAreaData from '@/assets/address/allAddress' //我的地级数据，这里换成你的
import {
  getProvinceNameByNo,
  getCityNameByNo,
  getCountryNameByNo
} from '@/assets/address/allAddress'//我的编码转换方法，需自行封装

const { proxy }: any = getCurrentInstance()
onMounted(() => {
  nextTick(() => {
    onLoad()
  })
})
const input = ref('')
var map: any = null
const siteInfo = ref({
  longitude: '',
  address: '',
  latitude: ''
})
var map
var zoom = 12
var geocode: any
const T = (window as any).T
const onLoad = () => {
  //初始化地图对象
  map = new T.Map('map-containera')
  //设置显示地图的中心点和级别
  map.centerAndZoom(new T.LngLat(31.086444, 121.734942), zoom)
  //允许鼠标滚轮缩放地图
  map.enableScrollWheelZoom()
  //允许双击地图放大
  map.enableDoubleClickZoom()
  //创建对象
  geocode = new T.Geocoder()
  //监听鼠标点击事件
  map.addEventListener('click', (val: any) => {
    console.log('val', val)
    // 经纬度
    siteInfo.value.longitude = val.lnglat.lng.toFixed(2)
    siteInfo.value.latitude = val.lnglat.lat.toFixed(2)

    let point = [val.containerPoint.x, val.containerPoint.y]
    var lnglat = map.containerPointToLngLat(point)
    geocode.getLocation(lnglat, searchResult)
  })
}
const searchResult = (result: any) => {
  if (result.getStatus() == 0) {
    siteInfo.value.address = result.getAddress()
    ElMessage.success('已选取经纬度')

    console.log(result)

    siteInfo.value.longitude = result.location.lon.toFixed(2)
    siteInfo.value.latitude = result.location.lat.toFixed(2)
    siteInfo.value.address = result.location.keyWord
    map.centerAndZoom(
      new T.LngLat(siteInfo.value.longitude, siteInfo.value.latitude),
      zoom
    )
    map.clearOverLays()
    let marker = new T.Marker(result.getLocationPoint())
    //向地图上添加标注
    map.addOverLay(marker)
    map.mar
  } else {
    result.getMsg()
  }
}
const addressValue = useCascaderAreaData()
const currentAddress = ref({
  address: '浙江省金华市工业园区九峰街139号',
  provinceName: '金华市',
  provinceNo: 0,
  cityName: '金华市',
  cityNo: 0,
  countyName: '',
  countyNo: 0
})
const detailedAddress = ref('')
const handleAddressChange = (value: any) => {
  if (value) {
    currentAddress.value.provinceName = getProvinceNameByNo(value[0])
    currentAddress.value.provinceNo = value[0]
    currentAddress.value.cityName = getCityNameByNo(value[1])
    currentAddress.value.cityNo = value[1]
    currentAddress.value.countyName = getCountryNameByNo(value[2])
    currentAddress.value.countyNo = value[2]
    currentAddress.value.address = `${getProvinceNameByNo(
      value[0]
    )}${getCityNameByNo(value[1])}${getCountryNameByNo(value[2])}`

    geocode.getPoint(currentAddress.value.address, searchResult)
  }
}
const getLocation = () => {
  if (detailedAddress.value) {
    currentAddress.value.address = `${currentAddress.value.address}${detailedAddress.value}`
  }

  geocode.getPoint(currentAddress.value.address, searchResult)
}
</script>

<style lang="scss" scoped>
.map-containera {
  width: 100%;
  height: 732px;

  #map-containera {
    width: 100%;
    height: 500px;
    margin-top: 10px;
  }

  .map-modal-title {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 10px;

    .long-lat-item {
      margin-left: 10px;

      > span {
        padding-right: 5px;
      }

      .ivu-input-wrapper {
        margin-right: 5px;
      }
    }
  }
}
</style>