html Google地图自定义缩放控件
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function ZoomControl(div, map) {
// Get the control DIV. We'll attach our control UI to this DIV.
var controlDiv = div;
// Set CSS for the controls.
controlDiv.style.margin = '28px 0px 0px 22px';
controlDiv.style.cursor = 'pointer';
controlDiv.style.border = "1px solid #9e9e9e"
controlDiv.style.opacity = "0.8";
controlDiv.style.backgroundColor = "#FFFFFF";
controlDiv.style.fontFamily = 'Open Sans';
controlDiv.style.borderRadius = '3px';
controlDiv.style.height = '36px';
controlDiv.style.width = '72px';
var zoomout = document.createElement('div');
zoomout.title = 'Click to zoom out';
zoomout.style.display = "inline-block"
zoomout.style.borderRight = "1px solid #9e9e9e"
zoomout.style.width = '50%';
zoomout.style.height = '100%';
controlDiv.appendChild(zoomout);
var zoomoutText = document.createElement('div');
zoomoutText.innerHTML = '<strong>-</strong>';
zoomoutText.style.fontSize = '30px';
zoomoutText.style.marginTop = '3px';
zoomoutText.style.textAlign = 'center';
zoomoutText.style.color = "#9e9e9e"
zoomout.appendChild(zoomoutText);
var zoomin = document.createElement('div');
zoomin.title = 'Click to zoom in';
zoomin.style.display = "inline-block"
zoomin.style.width = '50%';
zoomin.style.height = '100%';
controlDiv.appendChild(zoomin);
var zoominText = document.createElement('div');
zoominText.innerHTML = '<strong>+</strong>';
zoominText.style.fontSize = '30px';
zoominText.style.textAlign = 'center';
zoominText.style.color = "#9e9e9e"
zoomin.appendChild(zoominText);
// Setup the click event listeners for zoom-in, zoom-out:
google.maps.event.addDomListener(zoomout, 'click', function() {
var currentZoomLevel = map.getZoom();
if(currentZoomLevel != 0){
map.setZoom(currentZoomLevel - 1);}
});
google.maps.event.addDomListener(zoomin, 'click', function() {
var currentZoomLevel = map.getZoom();
if(currentZoomLevel != 21){
map.setZoom(currentZoomLevel + 1);}
});
}var MapView = {
init: function() {
var mapOptions = {
zoom: 10,
center: new google.maps.LatLng(41.850033, -87.6500523),
mapTypeId: google.maps.MapTypeId.ROADMAP,
disableDefaultUI: true, //disables default controls so you can add your own back on
};
var that = this;
this.map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions);
//Loads custom zoom controls
var zoomDiv = document.createElement('div');
var renderZoomControls = new ZoomControl(zoomDiv, this.map);
zoomDiv.index = 1;
this.map.controls[google.maps.ControlPosition.TOP_LEFT].push(zoomDiv);
}
}
<!DOCTYPE html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Custom Controls Test</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width">
<style>
#map-canvas {
height: 1000px;
width: 100%;
}
</style>
</head>
<body>
<!--[if lt IE 7]>
<p class="chromeframe">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> or <a href="http://www.google.com/chromeframe/?redirect=true">activate Google Chrome Frame</a> to improve your experience.</p>
<![endif]-->
<div id="map-canvas">
</div>
<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
<script src="map.js"></script>
<script src="zoom.js"></script>
<script type="text/javascript">
MapView.init();
</script>
</body>
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