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<!DOCTYPE html>

<html>

<head>
  <meta charset='UTF-8' />
  <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
  <!--
        以下CSS地址请在安装软件了替换成本地的地址
        CSS地址请使用:
        http://localhost:9000/bigemap.js/v2.1.0/bigemap.css
        软件下载地址 http://www.bigemap.com/reader/download/detail201802017.html
    -->
  <link href='http://www.bigemap.com:9000/bigemap.js/v2.1.0/bigemap.css' rel='stylesheet' />
  <!--
        JS地址请使用:
        http://localhost:9000/bigemap.js/v2.1.0/bigemap.js
    -->
  <script src='http://www.bigemap.com:9000/bigemap.js/v2.1.0/bigemap.js'></script>
  <style>
    body {
      margin: 0;
      padding: 0;
    }

    #map {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 100%;
    }
  </style>
  <title>Google Map Streets</title>
</head>

<body>
  <div id='map'></div>
  <script>
    //软件配置信息地址,软件安装完成之后使用本地地址,如:http://localhost:9000
    BM.Config.HTTP_URL = 'http://www.bigemap.com:9000';
    var map = BM.map('map', 'bigemap.zhongkexingtu', {
      center: [30, 103],
      zoom: 17,
      zoomControl: true,
      attributionControl: false,
      preferCanvas: true
    });
    let icsize = [150, 150];
    let marer = BM.marker([30, 103], {
      icon: BM.icon({
        iconUrl: 'http://www.bigemap.com/mapoffline/marker/2.png',
        iconSize: icsize,
        iconAnchor: [icsize[0] / 2, icsize[1]]
      })
    }).addTo(map);
    map.on('zoomend', function () {
      let z = map.getZoom()
      if (z >= 16) {
        marer.options.icon.options.iconSize = icsize
        marer.options.icon.options.iconAnchor = [icsize[0] / 2, icsize[1]]
      }
      else if (z > 6) {
        let lessen = 16 - z;
        let temp = transform(lessen);
        marer.options.icon.options.iconSize = temp
        marer.options.icon.options.iconAnchor = [temp[0] / 2, temp[1]]
      } else {
        let temp = transform(9);
        marer.options.icon.options.iconSize = temp
        marer.options.icon.options.iconAnchor = [temp[0] / 2, temp[1]]
      }
      // marer.addTo(map)
      marer.setIcon(marer.options.icon);
    })
    function transform(small) {
      let temp = icsize.map(item => {
        return item * (1 - 0.1 * small)//缩小十分之几
      })
      return temp
    }
  </script>
</body>

</html>