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源码
import { PointLayer, PolygonLayer, Scene } from '@antv/l7';
import { Map } from '@antv/l7-maps';

const scene = new Scene({
  id: 'map',
  map: new Map({
    pitch: 0,
    style: 'light',
    center: [118, 24.8],
    zoom: 6,
  }),
});
scene.on('loaded', async () => {
  scene.addImage(
    'province',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*hvqeQa9I6ccAAAAAAAAAAAAADmJ7AQ/original',
  );
  scene.addImage(
    'city',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*sBlgRp8Ah7sAAAAAAAAAAAAADmJ7AQ/original',
  );
  scene.addImage(
    'county',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*ufrWTqCNCScAAAAAAAAAAAAADmJ7AQ/original',
  );
  // 获取数据
  const dataList = [
    // 市级行政区
    'https://mdn.alipayobjects.com/afts/file/A*jPjCTad_s24AAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA.json',
    // 市级行政区一级群列岛名
    'https://mdn.alipayobjects.com/afts/file/A*HW8yQb2joA8AAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E4%B8%80%E7%BA%A7%E7%BE%A4%E5%88%97%E5%B2%9B%E5%90%8D.json',
    ///市级行政区一级河流名.json
    'https://mdn.alipayobjects.com/afts/file/A*EjtNRrENGToAAAAAAAAAAAAADrd2AQ/市级行政区一级河流名.json',
    //市级行政区一级港湾名.json
    'https://mdn.alipayobjects.com/afts/file/A*lqxATobbMLwAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E4%B8%80%E7%BA%A7%E6%B8%AF%E6%B9%BE%E5%90%8D.json',
    //市级行政区一级岛屿名.json
    'https://mdn.alipayobjects.com/afts/file/A*xyeHRZCF8DsAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E4%B8%80%E7%BA%A7%E5%B2%9B%E5%B1%BF%E5%90%8D.json',
    //市级行政区县级行政中心.json
    'https://mdn.alipayobjects.com/afts/file/A*vrDfSrB8J4sAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E5%8E%BF%E7%BA%A7%E8%A1%8C%E6%94%BF%E4%B8%AD%E5%BF%83.json',
    //市级行政区县级行政区.json
    'https://mdn.alipayobjects.com/afts/file/A*lfffQ5ej7AEAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E5%8E%BF%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA.json',
    // 市级行政区省级行政中心.json
    'https://mdn.alipayobjects.com/afts/file/A*jtlsTqxTJkoAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E7%9C%81%E7%BA%A7%E8%A1%8C%E6%94%BF%E4%B8%AD%E5%BF%83.json',
    //市级行政区山峰.json
    'https://mdn.alipayobjects.com/afts/file/A*DRSfRqBs9qsAAAAAAAAAAAAADrd2AQ/市级行政区山峰.json',
    //市级行政区色带.json
    'https://mdn.alipayobjects.com/afts/file/A*KRD4QbjkZCMAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E8%89%B2%E5%B8%A6.json',
    //市级行政区面状水域.json
    'https://mdn.alipayobjects.com/afts/file/A*3e9nSJwXqu0AAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E9%9D%A2%E7%8A%B6%E6%B0%B4%E5%9F%9F.json',
    //市级行政区境界线.json
    'https://mdn.alipayobjects.com/afts/file/A*tA8nSqhulQQAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E5%A2%83%E7%95%8C%E7%BA%BF.json',
    //市级行政区河流.json
    'https://mdn.alipayobjects.com/afts/file/A*2vGmRrYpTjEAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E6%B2%B3%E6%B5%81.json',
    //市级行政区海岸线.json
    'https://mdn.alipayobjects.com/afts/file/A*juI9TpBcQ74AAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E6%B5%B7%E5%B2%B8%E7%BA%BF.json',
    //市级行政区二级群列岛名.json
    'https://mdn.alipayobjects.com/afts/file/A*E4ReSqdYq-cAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E4%BA%8C%E7%BA%A7%E7%BE%A4%E5%88%97%E5%B2%9B%E5%90%8D.json',
    //市级行政区地级市行政中心.json
    'https://mdn.alipayobjects.com/afts/file/A*I3HSQaYyQ_UAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E5%9C%B0%E7%BA%A7%E5%B8%82%E8%A1%8C%E6%94%BF%E4%B8%AD%E5%BF%83.json',
    //市级行政区大型水库名.json
    'https://mdn.alipayobjects.com/afts/file/A*xxXKTpte0VUAAAAAAAAAAAAADrd2AQ/%E5%B8%82%E7%BA%A7%E8%A1%8C%E6%94%BF%E5%8C%BA%E5%A4%A7%E5%9E%8B%E6%B0%B4%E5%BA%93%E5%90%8D.json',
  ];

  const result = await Promise.all(dataList.map(async (url) => await (await fetch(url)).json()));
  const cityLayer = new PolygonLayer({
    autoFit: true,
  })
    .source(result[6])
    .shape('fill')
    .scale('COLOR', {
      type: 'cat',
      domain: ['Y', 'P', 'G', 'R'],
    })
    .color('COLOR', ['#f7f6c6', '#fceaea', '#e0e7d5', '#f3e4cf']);

  // 陆上轮廓
  const layer2 = new PolygonLayer().source(result[9]).shape('fill').color('#b4cad7');

  // 水域
  const waterLayer = new PolygonLayer().source(result[10]).shape('fill').color('#bcebfe');
  // 面状河流线
  const waterLayerLine = new PolygonLayer()
    .source(result[10])
    .shape('line')
    .size(0.5)
    .color('#50aac8');

  // 线河流线
  const river_Line = new PolygonLayer().source(result[12]).shape('line').size(0.5).color('#50aac8');
  // 群岛标注图层
  const island_name = new PointLayer({
    minZoom: 8,
  })
    .source(result[1])
    .shape('NAME', 'text')
    .size(15)
    .color('#3b474e');

  // 河流标注图层
  const river_name = new PointLayer({ minZoom: 5 })
    .source(result[2])
    .shape('NAME', 'text')
    .size(15)
    .color('#4aa1bd')
    .style({
      fontWeight: 800,
    });
  // 港湾标注
  const gangwan_name = new PointLayer({
    minZoom: 6,
  })
    .source(result[3])
    .shape('NAME', 'text')
    .size(15)
    .color('#4eaed9')
    .style({
      fontWeight: 800,
    });
  // 群岛
  const island_name1 = new PointLayer({
    minZoom: 8,
  })
    .source(result[4])
    .shape('NAME', 'text')
    .size(15)
    .color('#3b474e')
    .style({
      fontWeight: 600,
    });

  // 县界
  const county_Line = new PolygonLayer({
    minZoom: 5,
  })
    .source(result[11])
    .shape('line')
    .size(0.3)
    .color('#a59f97');
  // 城市界
  const city_Line = new PolygonLayer().source(result[0]).shape('line').size(0.5).color('#787269');

  // 海岸线
  const sea_Line = new PolygonLayer().source(result[13]).shape('line').size(0.5).color('#50aac8');

  // 城市标注
  const cityName = new PointLayer({
    maxZoom: 8,
    minZoom: 5,
  })
    .source(result[15])
    .shape('NAME', 'text')
    .size(14)
    .color('#000')
    .style({
      fontWeight: 800,
      textAnchor: 'top',
      textAllowOverlap: true,
      textOffset: [0, 12],
    });

  // 城市点位

  const cityPoint = new PointLayer({
    maxZoom: 7,
    minZoom: 5,
  })
    .source(result[15])
    .shape('city')
    .size(5);

  // 省级市标注
  const provinceCityName = new PointLayer({
    minZoom: 5,
    maxZoom: 7,
  })
    .source(result[7])
    .shape('NAME', 'text')
    .size(14)
    .color('#000')
    .style({
      fontWeight: 800,
      textAnchor: 'top',
      textOffset: [0, 12],
    });

  // 省级市点位
  const provincePoint = new PointLayer({
    minZoom: 5,
    maxZoom: 7,
  })
    .source(result[7])
    .shape('province')
    .size(5);

  // 县标注
  const countyName = new PointLayer({
    minZoom: 8,
  })
    .source(result[5])
    .shape('NAME', 'text')
    .size(14)
    .color('#333')
    .style({
      fontWeight: 600,
      textAnchor: 'top',
      textOffset: [0, 12],
    });
  7;
  // 县点位
  const countyPoint = new PointLayer({
    minZoom: 8,
  })
    .source(result[5])
    .shape('county')
    .size(5);

  // 县标注
  const mountainPoint = new PointLayer({
    minZoom: 6,
  })
    .source(result[8])
    .shape('triangle')
    .size(6)
    .color('#326648');

  // 山标注
  const mountainPoint_name = new PointLayer({
    minZoom: 6,
  })
    .source(result[8])
    .shape('NAME', 'text')
    .size(14)
    .color('#326648')
    .style({
      fontWeight: 800,
      textAnchor: 'top',
      textOffset: [0, 12],
    });

  scene.addLayer(cityLayer);
  scene.addLayer(layer2);
  scene.addLayer(waterLayer);
  scene.addLayer(waterLayerLine);
  scene.addLayer(river_Line);
  scene.addLayer(county_Line);

  scene.addLayer(city_Line);
  scene.addLayer(sea_Line);

  scene.addLayer(cityName);
  scene.addLayer(cityPoint);
  scene.addLayer(countyName);
  scene.addLayer(countyPoint);
  scene.addLayer(provinceCityName);
  scene.addLayer(provincePoint);
  scene.addLayer(island_name);
  scene.addLayer(island_name1);
  scene.addLayer(gangwan_name);
  scene.addLayer(river_name);
  scene.addLayer(mountainPoint);
  scene.addLayer(mountainPoint_name);
  console.log(result);
});
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