openlayer2屏蔽双击放大事件
openlayer2屏蔽双击放大事件
环境为 open layer 3.1.3.1
代码如下
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<title>OpenLayers Click Event Example</title>
<link rel="stylesheet" href="../theme/default/style.css" type="text/css">
<link rel="stylesheet" href="style.css" type="text/css">
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
var n=new OpenLayers.Handler.Click(
this, {
'click': this.trigger
}, this.handlerOptions
);
n.dblclick=function(){return false;};
debugger;
OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control, {
defaultHandlerOptions: {
'single': true,
'double': false,
'pixelTolerance': 0,
'stopSingle': false,
'stopDouble': false
},
initialize: function(options) {
this.handlerOptions = OpenLayers.Util.extend(
{}, this.defaultHandlerOptions
);
OpenLayers.Control.prototype.initialize.apply(
this, arguments
);
this.handler = n;
},
trigger: function(e) {
var lonlat = map.getLonLatFromPixel(e.xy);
alert("You clicked near " + lonlat.lat + " N, " +
+ lonlat.lon + " E");
}
});
var map;
function init(){
map = new OpenLayers.Map('map');
var ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://vmap0.tiles.osgeo.org/wms/vmap0?", {layers: 'basic'} );
var jpl_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic",
"http://t1.hypercube.telascience.org/cgi-bin/landsat7",
{layers: "landsat7"});
jpl_wms.setVisibility(false);
map.addLayers([ol_wms, jpl_wms]);
map.addControl(new OpenLayers.Control.LayerSwitcher());
// map.setCenter(new OpenLayers.LonLat(0, 0), 0);
map.zoomToMaxExtent();
var click = new OpenLayers.Control.Click();
map.addControl(click);
click.activate();
}
</script>
</head>
<body onload="init()">
<h1 id="title">屏蔽单击事件</h1>
<div id="map" class="smallmap"></div>
</body>
</html>
转载自：https://blog.csdn.net/wo_buzhidao/article/details/81323339
