<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html{width: 100%;height: 100%;margin:0;font-family:"微軟雅黑";}
#allmap{height:500px;width:100%;}
#r-result{width:100%;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=密鑰"></script>
<title>添加/删除地面疊加層</title>
</head>
<body>
<div id="allmap"></div>
<div id="r-result">
<input type="button" onclick="addGroundOverlay();" value="添加" />
<input type="button" onclick="removeGroundOverlay();" value="删除" />
</div>
</body>
</html>
<script type="text/javascript">
var TianAnMen = new BMap.Point(116.404449, 39.914889);
// 建立Map執行個體
var map = new BMap.Map("allmap");
// 居中放大
map.centerAndZoom(TianAnMen, 12);
// 啟用滾輪放大縮小
map.enableScrollWheelZoom();
// 西南角和東北角
var SW = new BMap.Point(116.29579,39.837146);
var NE = new BMap.Point(116.475451,39.9764);
groundOverlayOptions = {
opacity: 1,
displayOnMinLevel: 10,
displayOnMaxLevel: 22
}
// 初始化GroundOverlay
var groundOverlay = new BMap.GroundOverlay(new BMap.Bounds(SW, NE), groundOverlayOptions);
// 設定GroundOverlay的圖檔位址
groundOverlay.setImageURL('gkh.png');
// 單擊事件
groundOverlay.addEventListener('click', function (clickEvent) {
// console.log('clickEvent', clickEvent);
});
// 輕按兩下事件
groundOverlay.addEventListener('dblclick', function (dblclickEvent) {
// console.log('dblclickEvent', dblclickEvent);
});
function addGroundOverlay() {
// 添加GroundOverlay
map.addOverlay(groundOverlay);
}
function removeGroundOverlay() {
// 移除GroundOverlay
map.removeOverlay(groundOverlay);
}
</script>
百度地圖在固定位置添加圖檔 
![dubbo-go v3 版本 go module 踩坑記問題背景問題分析問題解決問題拓展[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)