Baidu map positioning according to latitude and longitude

need
Real-time positioning based on latitude and longitude
Overlay icon modified to custom
Click to pop up basic information
code show as below
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Query latitude and longitude by address</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <script type="text/javascript"   src="http://api.map.baidu.com/api?v=2.0&ak=bkrW4GcM8ahZ767OmpkkQhOyQhy4CpFp"></script>
</head>
<body style="background:#CBE1FF">
<div style="width:730px;margin:auto;">
    Address to query: <input id="text_" type="text" value="Shanghai" style="margin-right:100px;"/>
    Query results (latitude and longitude): <input id="result_" type="text" />
    <input type="button" value="查询" onclick="searchByStationName();"/>
    <div id="container"
         style="position: absolute;
                margin-top:30px;
                width: 730px;
                height: 590px;
                top: 50px;
                border: 1px solid gray;
                overflow:hidden;">
    </div>
</div>
</body>
<script type="text/javascript">
    var map = new BMap.Map("container");
    map.centerAndZoom("Ningbo", 12);
    map.enableScrollWheelZoom(); //Enable scroll wheel zoom in and out, disabled by default
    map.enableContinuousZoom(); //Enable map inertial dragging, disabled by default

    map.addControl(new BMap.NavigationControl()); //Add default zoom pan control
    map.addControl(new BMap.OverviewMapControl()); //Add default thumbnail map control
    map.addControl(new BMap.OverviewMapControl({ isOpen: true, anchor: BMAP_ANCHOR_BOTTOM_RIGHT })); //Lower right corner, open

    var localSearch = new BMap.LocalSearch(map);
    localSearch.enableAutoViewport(); //Allow automatic form resizing
    function searchByStationName() {
        map.clearOverlays();//Clear the original annotation
        var keyword = document.getElementById("text_").value;
        localSearch.setSearchCompleteCallback(function (searchResult) {
            var poi = searchResult.getPoi (0);
            document.getElementById("result_").value = poi.point.lng + "," + poi.point.lat;
            map.centerAndZoom(poi.point, 13);
            var myIcon = new BMap.Icon("http://developer.baidu.com/map/jsdemo/img/fox.gif", new BMap.Size(300,157));
            var marker = new BMap.Marker(new BMap.Point(poi.point.lng, poi.point.lat),{icon:myIcon}); // Create a label for the latitude and longitude corresponding to the place to be queried
            map.addOverlay(marker);
            var content = document.getElementById("text_").value + "<br/><br/>经度：" + poi.point.lng + "<br/>纬度：" + poi.point.lat;
            var infoWindow = new BMap.InfoWindow("<p style='font-size:14px;'>" + content + "</p>");
            marker.addEventListener("click", function () { this.openInfoWindow(infoWindow); });
            // marker.setAnimation(BMAP_ANIMATION_BOUNCE); //Bounce animation
        });

        //var myIcon = new BMap.Icon("http://developer.baidu.com/map/jsdemo/img/fox.gif", new BMap.Size(300,157));
        //var marker2 = new BMap.Marker(pt,{icon:myIcon}); // create a marker
       // map.addOverlay(marker2); // add the marker to the map

        localSearch.search(keyword);
    }
</script>
</html>
Baidu map positioning according to latitude and longitude

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