vue+openlayer5获取当前鼠标滑过的坐标实现方法

编辑: admin 分类: javascript 发布时间: 2022-03-30 来源:互联网

前言：       

 在vue项目中怎么获取当前鼠标划过的坐标呢，这里来分享下方法。 实现效果：

实现步骤：

1、引入相关文件

import MousePosition from 'ol/control/MousePosition';
import {createStringXY} from 'ol/coordinate';

 2、生成地图

var layers = [
        //深蓝色背景
        new TileLayer({
           source: new XYZ({
             url:
              "https://map.geoq.cn/ArcGIS/rest/services/ChinaOnlineStreetPurplishBlue/MapServer/tile/{z}/{y}/{x}",
           }),
         }),
       
      ];
this.map = new Map({
        layers: layers,
        target: "map",
        view: new View({
          center: this.center,
          projection: this.projection,
          zoom: this.centerSize,
          maxZoom: 17,
          minZoom: 5,
          extent: [
            73.32783475401652, 3.33795, 135.16017906160056,
            53.83501005646246,
          ],
        }),
      });

3、加入鼠标事件

var mousePositionControl = new MousePosition({
         coordinateFormat: createStringXY(6),//获取位置
         projection: 'EPSG:4326',
         className: 'custom-mouse-position',
         target: document.getElementById('mouse-position'), //将位置数据放到那里
         undefinedHTML: '&nbsp'
      });
      this.map.addControl(mousePositionControl);

4、页面上加入

<div id="map" class="map" ref="imageDom">
 
    位置div
    <div id="mouse-position" style="
        color: #fff;
        position: absolute;
        bottom:10px;
        right:10px;
        z-index: 10000000;
        width: 200px;
        line-height: 30px;
        background: rgba(0,0,0,0.5);
    "></div>
</div>

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