Leaflet实现地图分屏联动

文章目录

- 1. 实现思路
- 2. 完整代码

1. 实现思路

分别为地图对象绑定缩放、平移监听事件；
监听事件触发后依次为地图对象设置视图，就是将触发事件的地图视图设置到其他地图对象

2. 完整代码

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>地图分屏联动</title>
  <!-- <link rel="stylesheet" href="../lib/leaflet/leaflet.css" />
  <script src="../lib/leaflet/leaflet.js"></script> -->
  <link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css"
  integrity="sha512-xodZBNTC5n17Xt2atTPuE1HxjVMSvLVW9ocqUKLsCC5CXdbqCmblAshOMAS6/keqq/sMZMZ19scR4PsZChSR7A=="
  crossorigin=""/>
  <script src="https://unpkg.com/[email protected]/dist/leaflet.js"
   integrity="sha512-XQoYMqMTK8LvdxXYG3nZ448hOEQiglfqkJs1NOQV44cWnUrBc8PkAOcXy20w0vlaXaVUearIOBhiXZ5V3ynxwA=="
   crossorigin=""></script>

  <style>
    body,
    html {
     
     
      height: 100%;
    }

    #div1 {
     
     
      width: 50%;
      height: 100%;
      float: right;
    }

    #div2 {
     
     
      float: left;
      width: 50%;
      height: 100%;
    }
  </style>
</head>

<body>
  <div id="div1"></div>
  <div id="div2"></div>
  <script>
    var map1 = L.map("div1").setView([38, 114], 12);
    var map2 = L.map('div2').setView([38, 114], 12);
    var layer1 = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png');
    var layer2 = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png');
    layer1.addTo(map1);
    layer2.addTo(map2);
    var maps = [map1, map2];
    // 监听事件触发后依次为地图对象设置视图，将触发事件的地图视图给到其他地图对象
    function mapLink(e) {
     
     
      debugger;
      var _this = this; // this指向触发事件的地图对象
      maps.map(function (t) {
     
     
        t.setView(_this.getCenter(), _this.getZoom())
      })
    }
    // 地图对象绑定缩放、平移监听事件  
    maps.map(function (t) {
     
     
      t.on({
     
      drag: mapLink, zoom: mapLink })
    })

  </script>
</body>

</html>

Leaflet实现地图分屏联动

文章目录

1. 实现思路

2. 完整代码

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