vue集成openlayers

下载依赖

cnpm i -S ol

创建地图文件

 <div class="map">div>

• 按需引入相应的API，具体查看官方文档

<script>
import Map from "ol/Map";
import View from "ol/View";
// 添加图层
import TileLayer from "ol/layer/Tile";
import XYZ from "ol/source/XYZ";
import TileWMS from "ol/source/TileWMS.js";
// 格式化地理坐标
import { fromLonLat } from "ol/proj.js";
export default {
  data() {
    return {
      map: null,
      //后台服务器地址
      urlRoot: "http://193.112.110.27:8080/geoserver/gee/wms?",
    };
  },
  mounted() {
    this.init();
  },
  methods: {
    init() {
      //  经纬度转化
      var center = fromLonLat([101.34272, 23.6042484]);
      //  自定义图层
      this.layers = [
        new TileLayer({
          source: new TileWMS({
            url: this.urlRoot, //图层地址
            params: { LAYERS: "fangchenggang:other_sea" }, //图层名称
            serverType: "geoserver", //后台服务器
            zIndex: 2 //图层层级
          })
        }),
        new TileLayer({
          source: new TileWMS({
            url: this.urlRoot,
            params: { LAYERS: "fangchenggang:realm" },
            serverType: "geoserver"
          }),
          zIndex: 3
        }),
        new TileLayer({
          source: new TileWMS({
            url: this.urlRoot,
            params: { LAYERS: "fangchenggang:stockpile" },
            serverType: "geoserver"
          }),
          zIndex: 3
        }),
        new TileLayer({
          source: new TileWMS({
            url: this.urlRoot,
            params: { LAYERS: "fangchenggang:road" },
            serverType: "geoserver"
          }),
          zIndex: 3
        }),
        new TileLayer({
          source: new TileWMS({
            url: this.urlRoot,
            params: { LAYERS: "fangchenggang:railway" },
            serverType: "geoserver"
            //crossOrigin: 'anonymous'
          }),
          zIndex: 3
        }),
        new TileLayer({
          source: new TileWMS({
            url: this.urlRoot,
            params: { LAYERS: "cesium:storage_yard" },
            serverType: "geoserver"
          }),
          zIndex: 3
        })
      ];
      //  加载地图
      this.map = new Map({
        target: "map", //地图容器
        layers: [        
        //加载天地图天地图
        new TileLayer({
          source: new XYZ({
            url: "https://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png"
          }),
          zIndex: 1
        })],
        view: new View({
          projection: "EPSG:3857",
          //初始化地图中心
          center: center,
          zoom: 2,
          // 镜头
          maxZoom: 18,
          minZoom: 13
        }),
        logo: false
      });
      //添加图层
      this.map.addLayer(layers);
    }
  }
};
</script>

其他API

• 从地图中删除给定的叠加层。

this.map.removeLayer(layer);

• 设置图层显示或隐藏

this.layers.road.setOpacity(0)