Add example for writeGetFeature

examples/vector-wfs-getfeature.js

@@ -0,0 +1,66 @@
+goog.require('ol.Map');
+goog.require('ol.View');
+goog.require('ol.format.ogc.filter');
+goog.require('ol.format.WFS');
+goog.require('ol.format.GeoJSON');
+goog.require('ol.layer.Tile');
+goog.require('ol.layer.Vector');
+goog.require('ol.source.BingMaps');
+goog.require('ol.source.Vector');
+goog.require('ol.style.Stroke');
+goog.require('ol.style.Style');
+
+
+var vectorSource = new ol.source.Vector();
+var vector = new ol.layer.Vector({
+  source: vectorSource,
+  style: new ol.style.Style({
+    stroke: new ol.style.Stroke({
+      color: 'rgba(0, 0, 255, 1.0)',
+      width: 2
+    })
+  })
+});
+
+var raster = new ol.layer.Tile({
+  source: new ol.source.BingMaps({
+    imagerySet: 'Aerial',
+    key: 'AkGbxXx6tDWf1swIhPJyoAVp06H0s0gDTYslNWWHZ6RoPqMpB9ld5FY1WutX8UoF'
+  })
+});
+
+var map = new ol.Map({
+  layers: [raster, vector],
+  target: document.getElementById('map'),
+  view: new ol.View({
+    center: [-8908887.277395891, 5381918.072437216],
+    maxZoom: 19,
+    zoom: 12
+  })
+});
+
+// generate a GetFeature request
+var f = ol.format.ogc.filter;
+var featureRequest = new ol.format.WFS().writeGetFeature({
+  srsName: 'EPSG:3857',
+  featureNS: 'http://openstreemap.org',
+  featurePrefix: 'osm',
+  featureTypes: ['water_areas'],
+  outputFormat: 'application/json',
+  filter: f.and(
+    f.like('name', 'Mississippi*'),
+    f.equalTo('waterway', 'riverbank')
+  )
+});
+
+// then post the request and add the received features to a layer
+fetch('http://demo.boundlessgeo.com/geoserver/wfs', {
+  method: 'POST',
+  body: new XMLSerializer().serializeToString(featureRequest)
+}).then(function(response) {
+  return response.json();
+}).then(function(json) {
+  var features = new ol.format.GeoJSON().readFeatures(json);
+  vectorSource.addFeatures(features);
+  map.getView().fit(vectorSource.getExtent(), /** @type {ol.Size} */ (map.getSize()));
+});