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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_utfGridLayerFlags"></title>
- <script type="text/javascript" include="bootstrap" src="../js/include-web.js"></script>
- <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
- <style type="text/css">
- body {
- margin: 0;
- overflow: hidden;
- background: #fff;
- width: 100%;
- height: 100%
- }
- #map {
- position: absolute;
- width: 100%;
- height: 100%;
- }
- </style>
- </head>
- <body>
- <div id="flagContainer"
- style="position: absolute;width: 150px;height: 120px;top: 10px;left: 45px;text-align: center;display: none; z-index: 100;">
- <img id="flag" style="position: relative;height: 100px;width: 150px"
- onerror="this.src='./images/flags/noflag.png'"/>
- <div id="flagName" style="position: relative;height: 20px;width: 150px;background-color: #e5f3ff"></div>
- </div>
- <div id="map"></div>
- <script>
- var map, layer;
- var host = window.isLocal ? window.server : "https://iserver.supermap.io",
- url = host + "/iserver/services/map-world/rest/maps/世界地图_Day";
- var control, utfgrid, infowin, flagImg, flagName, flagContainer;
- init();
- function init() {
- flagImg = document.getElementById("flag");
- flagName = document.getElementById("flagName");
- flagContainer = document.getElementById("flagContainer");
- map = new SuperMap.Map("map", {
- controls: [
- new SuperMap.Control.ScaleLine(),
- new SuperMap.Control.Zoom(),
- new SuperMap.Control.LayerSwitcher(),
- new SuperMap.Control.Navigation({
- dragPanOptions: {
- enableKinetic: true
- }
- })],
- projection: "EPSG:4326"
- });
- layer = new SuperMap.Layer.TiledDynamicRESTLayer("世界地图", url, {transparent: true}, {
- useCanvas: true,
- maxResolution: "auto"
- });
- utfgrid = new SuperMap.Layer.UTFGrid("UTFGridLayer", url,
- {
- layerName: "Countries@World",
- utfTileSize: 256,
- pixcell: 8,
- isUseCache: false
- },
- {
- utfgridResolution: 8
- });
- control = new SuperMap.Control.UTFGrid({
- layers: [utfgrid],
- callback: function (infoLookup) {
- if (infoLookup) {
- for (var index in infoLookup) {
- var info = infoLookup[index];
- /*如果callback传回了数据,则利用数据中的国家名来设置img的src属性,并设置flagName的innerHTML属性*/
- if (info && info.data) {
- var name = escape(info.data.COUNTRY).replace(/%u/g, "_u").replace(/%20/g, "");
- flagImg.src = "images/flags/" + name + ".png"; //假如在flags文件夹中没有找到对应的国旗图片,则将会触发img的onerror事
- flagName.innerHTML = info.data.COUNTRY;
- flagContainer.style.display = "block";
- }
- /*如果没传回数据,例如鼠标移到了对应海洋的地方时,将没有对应的数据,这时则把img和用来显示国家名div隐藏进来*/
- else {
- flagContainer.style.display = "none";
- }
- }
- }
- },
- /*注册utfgrid图层上的鼠标移动事件*/
- handlerMode: "move"
- });
- map.addControl(control);
- layer.events.on({"layerInitialized": addLayer});
- }
- function addLayer() {
- var center = new SuperMap.LonLat(0, 0);
- map.addLayers([layer, utfgrid]);
- map.setCenter(center, 0);
- }
- </script>
- </body>
- </html>
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