XYZ Esri

<!--
  示例：OpenLayers Esri 瓦片顺序
  要点：模板 {z}/{y}/{x} 对应 ArcGIS 的行列顺序，页面内瓦片标注实际行列号
  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>Esri 瓦片顺序</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}
  .bar{flex:0 0 auto;padding:8px 12px;background:#f6f7f9;border-bottom:1px solid #e3e6ea;
       display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12px;color:#58606e}
  .bar label{display:flex;gap:5px;align-items:center;cursor:pointer}
  .bar select,.bar input[type=range]{font-size:12px}
  .bar .val{font-family:ui-monospace,Consolas,monospace;color:#1f5fd0;min-width:44px}
  .bar .sep{width:1px;height:16px;background:#d8dce2}
  #map{flex:1 1 auto;min-height:0;background:#eef0f3}
</style>
</head>
<body>
<div class="bar">
  <span>ArcGIS 模板 {z}/{y}/{x}</span>
  <span class="sep"></span>
  <span id="info">—</span>
</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 (typeof ol === 'undefined') {
    document.getElementById('map').textContent = 'OpenLayers 加载失败，请检查能否访问 cdn.jsdelivr.net';
    return;
  }


  var source = new ol.source.XYZ({
    url: 'https://demo.invalid/arcgis/rest/services/World_Topo_Map/MapServer/tile/{z}/{y}/{x}.png',
    attributions: '页面内合成瓦片',
    maxZoom: 18,
    tileLoadFunction: function (tile) {
      var coord = tile.getTileCoord();
      var canvas = document.createElement('canvas');
      canvas.width = 256;
      canvas.height = 256;
      var ctx = canvas.getContext('2d');
      ctx.clearRect(0, 0, 256, 256);
      ctx.strokeStyle = 'rgba(31, 95, 208, 0.55)';
      ctx.lineWidth = 1;
      ctx.strokeRect(8.5, 8.5, 239, 239);
      ctx.fillStyle = 'rgba(31, 95, 208, 0.85)';
      ctx.font = '600 13px ui-monospace,Consolas,monospace';
      ctx.textAlign = 'center';
      ctx.fillText('z ' + coord[0], 128, 108);
      ctx.fillText('y ' + coord[2], 128, 128);
      ctx.fillText('x ' + coord[1], 128, 148);
      tile.getImage().src = canvas.toDataURL('image/png');
      document.getElementById('info').textContent =
        'z ' + coord[0] + ' / y ' + coord[2] + ' / x ' + coord[1];
    }
  });

  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'}), opacity: 0.85}),
      new ol.layer.Tile({source: source, opacity: 0.9})
    ],
    view: new ol.View({
      center: ol.proj.fromLonLat([116.391, 39.907]),
      zoom: 5
    })
  });

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