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vue利用openlayers加载天地图和高德地图

51自学网 2022-02-21 13:37:06
  javascript

一、天地图部分

1、在vue中安装openlayers

npm i --save ol

这里说的vue是基于脚手架构建的。 新建个页面,也就是vue文件,配置好路由。接着就是可以直接放入我的代码运行显示了。

<template>  <div class="wrapper">    <div>天地图</div>    <div class="map" id="olMap"></div>  </div></template><script>import "ol/ol.css";import {  Tile as TileLayer } from "ol/layer";import XYZ from "ol/source/XYZ";import {  defaults as defaultControls } from "ol/control";import Map from "ol/Map.js";import View from "ol/View.js";export default {  data() {   return {      map: null,      parser: null,    };  },  mounted() {    this.initMap();  },  methods: {    initMap() {     const map = new Map({       target: "olMap",        view: new View({           center: [0, 0], //中心点经纬度          zoom: 4, //图层缩放大小          projection: "EPSG:4326",        }),        controls: defaultControls({          zoom: true,          attribution: false,          rotate: false,        }),      });      this.map = map;      // 添加地图      let url = "http://t{0-7}.tianditu.com/DataServer?x={x}&y={y}&l={z}";      url = `${   url}&T=vec_c&tk=替代你的key`;      const source = new XYZ({     url: url,        projection: "EPSG:4326",      });      const tdtLayer = new TileLayer({        source: source,      });      this.map.addLayer(tdtLayer);      // 添加注记      url = "http://t{0-7}.tianditu.com/DataServer?x={x}&y={y}&l={z}";      url = `${   url}&T=cva_c&tk=替代你的key`;      const sourceCVA = new XYZ({        url: url,        projection: "EPSG:4326",      });      const tdtcvaLayer = new TileLayer({        source: sourceCVA,      });      this.map.addLayer(tdtcvaLayer);    },  },};</script><style scoped>.map {  width: 100%;  height: 100vh;}</style>

天地图就可以显示出来了。

效果图:

二、高德地图部分

相对于天地图,高德地图就容易多了,直接上代码

<template>  <div class="wrapper">    <div>高德地图</div>    <div id="map"></div>  </div></template><script>import { Map,View,Feature} from 'ol'import * as olProj from 'ol/proj'import { Point} from 'ol/geom'import {  Style, Fill, Stroke, Circle as sCircle } from "ol/style";// 添加图层import Tilelayer from 'ol/layer/Tile'import { Vector as VectorLayer} from 'ol/layer'import { XYZ,Vector as VectorSource} from 'ol/source'//引入样式文件import "ol/ol.css"export default {  data() {  return {    map:null    }  },  mounted() {  this.init();   this.setMarker();  },  methods: {    init(){       this.map=new Map({         target:'map',         layers:[new Tilelayer({           source: new XYZ({               url:'https://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}',           })         })         ],        view:new View({            // 将西安作为地图中心             // olProj.fromLonLat方法将经纬度转换成对应的坐标          center:olProj.fromLonLat([108.945951, 34.465262]),          zoom:2        }),       })    },    setMarker(){        let _style = new Style({            image:new sCircle({                radius:10,                stroke:new Stroke({                    color:"#fff",                }),                fill: new Fill({                    color:'#3399CC',                }),            }),        });        let _feature = new Feature({             geometry:new Point(olProj.fromLonLat([108.945951, 34.465262])),        });        _feature.setStyle(_style);        let _marker = new VectorLayer({            source: new VectorSource({               feature:[_feature],            }),        });        this.map.addLayer(_marker);    },  },}</script><style scoped>  #map{      /* 屏幕宽高 */    width: 100vw;    height: 100vh;  }</style>

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