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- <!--********************************************************************
- * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
- *********************************************************************-->
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8" />
- <title data-i18n="resources.title_lianjia"></title>
- <script type="text/javascript" src="../js/include-web.js"></script>
- <style>
- body {
- margin: 0;
- overflow: hidden;
- background: #fff;
- width: 100%;
- height: 100%;
- position: absolute;
- top: 0;
- }
- #map {
- margin: 0 auto;
- width: 100%;
- height: 100%;
- }
- #titleContainer {
- width: 100%;
- position: absolute;
- top: 30px;
- color: white;
- z-index: 999;
- font-size: 20px;
- font-weight: bold;
- text-align: center;
- }
- #titleContainer > #title {
- letter-spacing: 0.1em;
- }
- .popupStyle {
- font-size: 15px;
- font-weight: bolder;
- padding: 15px;
- border-radius: 5px;
- }
- .popupStyle .leaflet-popup-content-wrapper,
- .popupStyle .leaflet-popup-tip {
- background: rgba(9, 1, 54, 0.589);
- color: white;
- }
- </style>
- </head>
- <body>
- <div id="map"></div>
- <div id="titleContainer">
- <h2 id="title" data-i18n="resources.title_lianjia"></h2>
- </div>
- <script type="text/javascript" include="mapv" src="../../dist/leaflet/include-leaflet.js"></script>
- <script type="text/javascript">
- var host = window.isLocal ? window.server : 'https://iserver.supermap.io';
- var baseurl = host + '/iserver/services/map-china400/rest/maps/ChinaDark';
- var dataUrl =
- 'https://www.supermapol.com/iserver/services/map_201802beijingfangjia/rest/maps/2018年2月北京房价_链家小区参考价_蜂巢';
- var map, resultLayer, popup;
- map = L.map('map', {
- center: [39.954, 116.36],
- zoom: 12,
- maxZoom: 18,
- minZoom: 6
- });
- L.supermap.tiledMapLayer(baseurl).addTo(map);
- query();
- function query() {
- var param = new SuperMap.QueryBySQLParameters({
- queryParams: {
- name: 'lj_xq_500fc@BJ_201802LJ',
- attributeFilter: 'SMID > 0'
- },
- fromIndex: 0,
- toIndex: 10000,
- maxFeatures: 10000
- });
- L.supermap.queryService(dataUrl).queryBySQL(param, function(serviceResult) {
- var result = serviceResult.result;
- var features = result.recordsets[0].features.features;
- //构造数据
- var data = [];
- for (var i = 0; i < features.length; i++) {
- var feature = features[i];
- var average_price = feature.properties.average_price_1;
- var coordinates = feature.geometry.coordinates[0];
- for (var k = 0; k < coordinates.length; k++) {
- for (var j = 0; j < coordinates[k].length; j++) {
- coordinates[k][j] = coordsTo4326(coordinates[k][j]);
- }
- }
- data.push({
- geometry: {
- type: 'Polygon',
- coordinates: coordinates
- },
- count: parseFloat(average_price / 10000).toFixed(2),
- price: parseFloat(average_price).toFixed(2)
- });
- }
- var dataSet = new mapv.DataSet(data);
- var options = {
- fillStyle: 'rgba(255, 80, 53, 0.8)',
- max: 27,
- label: {
- show: true,
- fillStyle: 'white'
- },
- globalAlpha: 0.7,
- gradient: {
- // 显示的颜色渐变范围
- '0': '#5d5dff',
- '0.2': '#74add1',
- '0.4': '#ffffbf',
- '0.6': '#d73027',
- '0.8': '#FF0000'
- },
- draw: 'intensity',
- //弹窗的点击事件
- methods: {
- click: function(item) {
- if (item != null) {
- var point = item.geometry.coordinates[0][0];
- popup
- .setLatLng([point[1], point[0]])
- .setContent(resources.text_mapvLianjia_tooltip + item.price)
- .openOn(map);
- } else {
- popup.closePopup();
- }
- }
- }
- };
- //创建mapv图层
- resultLayer = L.supermap.mapVLayer(dataSet, options).addTo(map);
- popup = L.popup({
- className: 'popupStyle'
- });
- });
- function coordsTo4326(coords) {
- var lngLat = L.CRS.EPSG3857.unproject(L.point(coords));
- return [lngLat.lng, lngLat.lat];
- }
- }
- </script>
- </body>
- </html>
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