Moveend

<!--
  示例：视图移动结束事件
  要点：moveend 在每次平移/缩放/旋转落定后触发，读出中心与分辨率
  依赖：OpenLayers 10.3.1 · jsDelivr CDN
-->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta name="robots" content="noindex,follow">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>视图移动结束事件</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@10.3.1/ol.css">
<style>
  html,body{height:100%;margin:0}
  body{display:flex;flex-direction:column;overflow:hidden;
       font:13px/1.6 -apple-system,"Segoe UI","PingFang SC",sans-serif;color:#16181d}
  .bar{flex:0 0 auto;padding:8px 12px;background:#f6f7f9;border-bottom:1px solid #e3e6ea;
       display:flex;gap:14px;align-items:center;font-size:12px;color:#58606e;flex-wrap:wrap}
  .bar button{padding:4px 10px;border:1px solid #d5dae2;background:#fff;border-radius:4px;cursor:pointer}
  .bar b{color:#16181d;font-weight:600}
  #map{flex:1 1 auto;min-height:0;background:#eef0f3}
</style>
</head>
<body>
<div class="bar">
  <span>中心 <b id="c">—</b></span>
  <span>缩放 <b id="z">—</b></span>
  <span>分辨率 <b id="r">—</b></span>
  <span>事件 <b id="e">0</b> 次</span>
  <button id="fly">飞到上海</button>
</div>
<div id="map"></div>
<script src="https://cdn.jsdelivr.net/npm/ol@10.3.1/dist/ol.js"></script>
<script>
(function () {
  'use strict';
  if (!window.ol) {
    document.getElementById('map').textContent = 'OpenLayers 加载失败，请检查 cdn.jsdelivr.net 是否可访问';
    return;
  }

  var view = new ol.View({
    center: ol.proj.fromLonLat([116.391263, 39.907359]),
    zoom: 11
  });

  var map = new ol.Map({
    target: 'map',
    layers: [new ol.layer.Tile({ source: new ol.source.XYZ({url: 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}', attributions: 'Tiles © Esri'}) })],
    view: view,
    controls: ol.control.defaults.defaults({ rotate: false })
  });

  var fired = 0;

  function report() {
    var center = ol.proj.toLonLat(view.getCenter());
    document.getElementById('c').textContent = center[0].toFixed(4) + ', ' + center[1].toFixed(4);
    document.getElementById('z').textContent = view.getZoom().toFixed(2);
    document.getElementById('r').textContent = view.getResolution().toFixed(2) + ' m/px';
    document.getElementById('e').textContent = fired;
  }

  map.on('moveend', function () {
    fired++;
    report();
  });

  document.getElementById('fly').addEventListener('click', function () {
    view.animate({
      center: ol.proj.fromLonLat([121.4737, 31.2304]),
      zoom: 10,
      duration: 900
    });
  });

  report();
})();
</script>
</body>
</html>