D3

<!--
  说明：图表与地图联动的中文示例，数据在页面内生成，可独立运行。
  核心逻辑：canvas 绘制柱状图 + 要素 active 属性 + view.animate 定位
  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>图表与地图联动</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 button{font:inherit;padding:3px 9px;border:1px solid #c9ced6;background:#fff;
       border-radius:5px;cursor:pointer;color:#333}
  .bar button:hover{background:#eef2f8}
  .bar input[type=range]{width:110px;vertical-align:middle}
  .bar input[type=text]{font:inherit;padding:2px 6px;border:1px solid #c9ced6;border-radius:4px}
  #map{flex:1 1 auto;min-height:0;background:#eef0f3;position:relative}
  .panel{flex:0 0 auto;max-height:34%;overflow:auto;padding:8px 12px;font-size:12px;
       background:#fff;border-top:1px solid #e3e6ea;color:#3d4451}
  .panel pre{margin:0;font-family:Consolas,"Courier New",monospace;font-size:11px;
       white-space:pre-wrap;word-break:break-all;line-height:1.5}
  .ol-attribution{font-size:11px}

</style>
</head>
<body>
<div class="bar">
<span>悬停或点击下方柱状图</span>
<span id="info">—</span>
</div>
<div id="map"></div>
<div class="panel">
  <canvas id="chart" width="640" height="130" style="max-width:100%;cursor:pointer"></canvas>
</div>
<script src="https://cdn.jsdelivr.net/npm/ol@10.3.1/dist/ol.js"></script>
<script>
(function () {
  'use strict';

  if (typeof ol === 'undefined') {
    var errBox = document.getElementById('map');
    if (errBox) {
      errBox.innerHTML = '<div style="padding:20px;color:#b42318">OpenLayers 加载失败，请检查能否访问 cdn.jsdelivr.net</div>';
    }
    return;
  }

  var fromLonLat = ol.proj.fromLonLat;
  var data = [
    {city: '北京', lon: 116.4074, lat: 39.9042, value: 86},
    {city: '上海', lon: 121.4737, lat: 31.2304, value: 74},
    {city: '广州', lon: 113.2644, lat: 23.1291, value: 62},
    {city: '成都', lon: 104.0668, lat: 30.5728, value: 55},
    {city: '武汉', lon: 114.3055, lat: 30.5928, value: 48},
    {city: '西安', lon: 108.9398, lat: 34.3416, value: 41},
    {city: '沈阳', lon: 123.4315, lat: 41.8057, value: 33},
    {city: '乌鲁木齐', lon: 87.6168, lat: 43.8256, value: 22}
  ];

  var features = data.map(function (d) {
    return new ol.Feature({
      geometry: new ol.geom.Point(fromLonLat([d.lon, d.lat])),
      city: d.city,
      value: d.value,
      active: false
    });
  });

  var layer = new ol.layer.Vector({
    source: new ol.source.Vector({features: features}),
    style: function (f) {
      var on = f.get('active');
      return new ol.style.Style({
        image: new ol.style.Circle({
          radius: on ? 10 : 6,
          fill: new ol.style.Fill({color: on ? '#ee602a' : '#1f5fd0'}),
          stroke: new ol.style.Stroke({color: '#ffffff', width: 2})
        }),
        text: new ol.style.Text({
          text: f.get('city'),
          offsetY: -16,
          font: '500 12px sans-serif',
          fill: new ol.style.Fill({color: on ? '#8f3410' : '#16181d'}),
          stroke: new ol.style.Stroke({color: '#ffffff', width: 3})
        })
      });
    }
  });

  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'})}), layer],
    view: new ol.View({center: fromLonLat([112, 32]), zoom: 4.5}),
    controls: ol.control.defaults.defaults({attribution: false, zoom: true, rotate: false})
  });

  var chart = document.getElementById('chart');
  var cctx = chart.getContext('2d');
  var info = document.getElementById('info');
  var active = -1;
  var PAD = 26;
  var GAP = 10;
  var BW = (chart.width - PAD * 2 - GAP * (data.length - 1)) / data.length;

  function drawChart() {
    cctx.clearRect(0, 0, chart.width, chart.height);
    cctx.textAlign = 'center';

    for (var i = 0; i < data.length; i++) {
      var h = data[i].value / 100 * (chart.height - 46);
      var x = PAD + i * (BW + GAP);
      var y = chart.height - 22 - h;
      cctx.fillStyle = i === active ? '#ee602a' : '#1f5fd0';
      cctx.fillRect(x, y, BW, h);
      cctx.fillStyle = '#5a6473';
      cctx.font = '11px sans-serif';
      cctx.fillText(data[i].city, x + BW / 2, chart.height - 6);
      cctx.fillStyle = '#2b3444';
      cctx.fillText(String(data[i].value), x + BW / 2, y - 4);
    }
  }

  function setActive(idx) {
    if (idx === active) { return; }
    if (active >= 0) { features[active].set('active', false); }
    active = idx;
    if (active >= 0) {
      features[active].set('active', true);
      info.textContent = data[active].city + ' · 指数 ' + data[active].value + ' · 点击柱子可定位';
    } else {
      info.textContent = '悬停或点击下方柱状图';
    }
    drawChart();
  }

  chart.addEventListener('mousemove', function (evt) {
    var rect = chart.getBoundingClientRect();
    var scale = chart.width / rect.width;
    var x = (evt.clientX - rect.left) * scale;
    var idx = Math.floor((x - PAD) / (BW + GAP));
    setActive(idx >= 0 && idx < data.length ? idx : -1);
  });

  chart.addEventListener('mouseleave', function () { setActive(-1); });

  chart.addEventListener('click', function () {
    if (active < 0) { return; }
    map.getView().animate({
      center: fromLonLat([data[active].lon, data[active].lat]),
      zoom: 9,
      duration: 600
    });
  });

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