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GeezerVison is showing github.com — iClient-JavaScript/examples/leaflet/02_getFeatureBySQL.html at master · SuperMap/iClient-JavaScript

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02_getFeatureBySQL.html

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<!--********************************************************************
* Copyright© 2000 - 2026 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title data-i18n="resources.title_getFeatureBySQL"></title>
<style>
#toolbar {
position: absolute;
top: 50px;
right: 10px;
width: 240px;
text-align: center;
z-index: 1000;
border-radius: 4px;
}
</style>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
<div id="toolbar" class="panel panel-primary">
<div class='panel-heading'>
<h5 class='panel-title text-center' data-i18n="resources.title_getFeatureBySQL"></h5></div>
<div class='panel-body content'>
<div class='panel'>
<div class='input-group'>
<span class='input-group-addon'>SQL</span>
<input min="0" class="form-control" id="sql" placeholder="SMID = 234" />
</div>
</div>
<input type="button" class="btn btn-default" data-i18n="[value]resources.text_query" onclick="query()"/>&nbsp;
<input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_clear" onclick="clearFeatures()"/>
</div>
</div>
<div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
<script type="text/javascript" include="bootstrap" src="../js/include-web.js"></script>
<script type="text/javascript" src="../../dist/leaflet/include-leaflet.js"></script>
<script type="text/javascript">
var host = window.isLocal ? window.server : "https://iserver.supermap.io";
var map, resultLayer,
baseUrl = host + "/iserver/services/map-world/rest/maps/World",
url = host + "/iserver/services/data-world/rest/data";
map = L.map('map', {
preferCanvas: true,
crs: L.CRS.EPSG4326,
center: {lon: 0, lat: 0},
maxZoom: 18,
zoom: 1
});
new L.supermap.TiledMapLayer(baseUrl).addTo(map);
function query() {
clearFeatures();
var sql = document.getElementById("sql").value || "SMID = 234";
var sqlParam = new L.supermap.GetFeaturesBySQLParameters({
queryParameter: {
name: "Countries@World",
attributeFilter: sql
},
datasetNames: ["World:Countries"]
});
new L.supermap
.FeatureService(url)
.getFeaturesBySQL(sqlParam).then(function (serviceResult) {
resultLayer = L.geoJSON(serviceResult.result.features).addTo(map).bindPopup('SMID = 234');
});
}
function clearFeatures() {
resultLayer && map.removeLayer(resultLayer);
}
</script>
</body>
</html>
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