PHP requests the MySQL database to return the Geojson data the implementation method see:
Http://www.cnblogs.com/marost/p/6234514.html
Openlayers "V3.19.1-dist" Add Geojson data source layer
<!doctype html>
<html lang="en">
<head>
<link rel=‘stylesheet‘ href=‘ol.css‘>
<style>
#map {
height: 100%;
width: 100%;
}
</style>
<title>OpenLayers 3 example</title>
<script src="ol.js" type="text/javascript"></script>
</head>
<body>
<h1>My Map</h1>
<div id="map"></div>
<script type="text/javascript">
var raster = new ol.layer.Tile({
source: new ol.source.OSM()
});
var vector = new ol.layer.Vector({
source: new ol.source.Vector({
url: ‘http://yourip/getPosition.php‘,
format: new ol.format.GeoJSON()
})
});
var map = new ol.Map({
layers: [raster, vector],
target: ‘map‘,
view: new ol.View({
center: [0, 0],
zoom: 2
})
});
</script>
</body>
</html>
Openlayers add point "PHP request MySQL database to return Geojson data"
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