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百度地图 删除标注

如何实现:

方法一、给地图增加一个事件监听,addEventListener,当右击地图时,出现右键菜单,可删除标注。

方法二、给标注增加事件监听,右键点击标注,即可删除

<!DOCTYPE html><html><head>    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.4"></script>    <script type="text/javascript" src="http://api.map.baidu.com/library/TextIconOverlay/1.2/src/TextIconOverlay_min.js"></script>    <script type="text/javascript" src="http://api.map.baidu.com/library/MarkerClusterer/1.2/src/MarkerClusterer_min.js"></script>    <script type="text/javascript" src="http://api.map.baidu.com/library/LuShu/1.2/src/LuShu_min.js"></script>    <title>27.1删除标注</title></head><body>    <div class="wrapper">        <div class="container clearfix">            <div class="clearfix">                <div style="clear: both;">                    <div style="float: left; width: 500px; height: 340px; border: 1px solid gray" id="container">                    </div>                </div>            </div>        </div>    </div></body></html><script type="text/javascript">    var map = new BMap.Map("container");    var point = new BMap.Point(116.404, 39.950507);    map.centerAndZoom(point, 16);    var marker = new BMap.Marker(point);    map.addOverlay(marker);    marker.addEventListener("rightclick", function () {        map.removeOverlay(marker);    });    var menu = new BMap.ContextMenu();    var txtMenuItem = [    {        text: "删除标注",        callback: function () {            map.removeOverlay(marker);        }    }];    for (var i = 0; i < txtMenuItem.length; i++) {        menu.addItem(new BMap.MenuItem(txtMenuItem[i].text, txtMenuItem[i].callback, 100));    }    map.addContextMenu(menu); </script>

 

百度地图 删除标注