给地图增加一个事件监听，addEventListener；
当鼠标点击地图时，首先获取改点坐标，其次在改点坐标处增加一个红色标注。
<!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>26.1添加标注</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); map.addEventListener("click", function (e) { point = new BMap.Point(e.point.lng, e.point.lat); var marker = new BMap.Marker(point); map.addOverlay(marker); }); </script>
原文：http://www.cnblogs.com/gengaixue/p/4143125.html