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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_queryByBounds"></title>
- <style type="text/css">
- body {
- margin: 0;
- overflow: hidden;
- background: #fff;
- width: 100%;
- height: 100%
- }
- #map {
- position: absolute;
- width: 100%;
- height: 100%;
- }
- #toolbar {
- position: absolute;
- top: 50px;
- right: 10px;
- text-align: center;
- z-index: 100;
- border-radius: 4px;
- }
- </style>
- </head>
- <body>
- <div id="toolbar" class="panel panel-primary">
- <div class='panel-heading'>
- <h5 class='panel-title text-center' data-i18n="resources.title_queryByBounds"></h5></div>
- <div class='panel-body content'>
- <input type="button" class="btn btn-default" data-i18n="[value]resources.text_query" onclick="drawGeometry()"/>
- <input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_clear" onclick="clearFeatures()"/>
- </div>
- </div>
- <div id="map"></div>
- <script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
- <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
- <script>
- var map, local, layer, vectorLayer, control, queryBounds, markerLayer, drawFeature,
- style = {
- strokeColor: "#304DBE",
- strokeWidth: 1,
- pointerEvents: "visiblePainted",
- fillColor: "#304DBE",
- fillOpacity: 0.3
- },
- host = window.isLocal ? window.server : "https://iserver.supermap.io",
- url = host + "/iserver/services/map-world/rest/maps/World";
- init();
- function init() {
- map = new SuperMap.Map("map", {
- controls: [
- new SuperMap.Control.ScaleLine(),
- new SuperMap.Control.Zoom(),
- new SuperMap.Control.Navigation({
- dragPanOptions: {
- enableKinetic: true
- }
- })]
- });
- map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
- layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, {
- transparent: true,
- cacheEnabled: true
- }, {maxResolution: "auto"});
- layer.events.on({"layerInitialized": addLayer});
- vectorLayer = new SuperMap.Layer.Vector("Vector Layer");//新建一个vectorLayer的矢量图层
- markerLayer = new SuperMap.Layer.Markers("Markers");//创建一个有标签的图层
- drawFeature = new SuperMap.Control.DrawFeature(vectorLayer, SuperMap.Handler.Box, {"handlerOptions": {"cursorCSS": "crosshair"}});
- drawFeature.events.on({"featureadded": drawCompleted});
- map.addControl(drawFeature);
- }
- function addLayer() {
- map.addLayers([layer, vectorLayer, markerLayer]);
- map.setCenter(new SuperMap.LonLat(0, 0), 0);
- }
- function drawGeometry() {
- //先清除上次的显示结果
- clearFeatures();
- drawFeature.activate();
- }
- function drawCompleted(obj) {
- drawFeature.deactivate();
- var feature = obj.feature;
- feature.style = style;
- vectorLayer.addFeatures(feature);
- var queryBounds = feature.geometry.bounds;
- var queryParam, queryByBoundsParams, queryService;
- queryParam = new SuperMap.REST.FilterParameter({name: "Capitals@World.1"});//FilterParameter设置查询条件,name是必设的参数,(图层名称格式:数据集名称@数据源别名)
- queryByBoundsParams = new SuperMap.REST.QueryByBoundsParameters({
- queryParams: [queryParam],
- bounds: queryBounds
- });//queryParams查询过滤条件参数数组。bounds查询范围
- queryService = new SuperMap.REST.QueryByBoundsService(url, {
- eventListeners: {
- "processCompleted": processCompleted,
- "processFailed": processFailed
- }
- });
- queryService.processAsync(queryByBoundsParams);//向服务端传递参数,然后服务端返回对象
- }
- function processCompleted(queryEventArgs) {
- var i, j, result = queryEventArgs.result, marker;//queryEventArgs服务端返回的对象
- if (result && result.recordsets) {
- for (i = 0, recordsets = result.recordsets, len = recordsets.length; i < len; i++) {
- if (recordsets[i].features) {
- for (j = 0; j < recordsets[i].features.length; j++) {
- var f = recordsets[i].features[j];
- var point = f.geometry,
- size = new SuperMap.Size(44, 33),
- offset = new SuperMap.Pixel(-(size.w / 2), -size.h),
- icon = new SuperMap.Icon("./images/marker.png", size, offset);
- marker = new SuperMap.Marker(new SuperMap.LonLat(point.x, point.y), icon);
- marker.sm_capital = f.attributes.CAPITAL;
- marker.events.on({
- "click": openInfoWin,
- "touchstart": openInfoWin, //假如要在移动端的浏览器也实现点击弹框,则在注册touch类事件
- "scope": marker
- });
- markerLayer.addMarker(marker);
- }
- }
- }
- }
- }
- function processFailed(e) {
- widgets.alert.showAlert(e.error.errorMsg, false);
- }
- function clearFeatures() {
- vectorLayer.removeAllFeatures();
- markerLayer.clearMarkers();
- closeInfoWin();
- }
- var infowin = null;
- function openInfoWin() {
- closeInfoWin();
- var marker = this;
- var lonlat = marker.getLonLat();
- var contentHTML = "<div style='font-size:.8em; opacity: 0.8; overflow-y:hidden;'>";
- contentHTML += "<div>" + marker.sm_capital + "</div></div>";
- var size = new SuperMap.Size(0, 33);
- var offset = new SuperMap.Pixel(0, -size.h);
- var icon = new SuperMap.Icon("./images/marker.png", size, offset);
- var popup = new SuperMap.Popup.FramedCloud("popwin",
- new SuperMap.LonLat(lonlat.lon, lonlat.lat),
- null,
- contentHTML,
- icon,
- true);
- infowin = popup;
- map.addPopup(popup);
- }
- function closeInfoWin() {
- if (infowin) {
- try {
- infowin.hide();
- infowin.destroy();
- }
- catch (e) {
- }
- }
- }
- </script>
- </body>
- </html>
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