调用百度地图JS API 时不时出现BMap未定义错误

一只猪的天下 2016-11-30 10:25:33

<!DOCTYPE html>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<style type="text/css">

body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;}

#l-map{height:100%;width:78%;float:left;border-right:2px solid #bcbcbc;}

#r-result{height:100%;width:20%;float:left;}

</style>

<script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=你的密钥"></script>

<title>百度地图</title>

</head>

<body>

   <div id="allmap"></div>

</body>

</html>

<script type="text/javascript">

var map = new BMap.Map("allmap");

 

map.centerAndZoom(new BMap.Point(118.804586,32.093434), 12);



map.enableScrollWheelZoom();                            //启用滚轮放大缩小

map.addControl(new BMap.NavigationControl());                                 

map.addControl(new BMap.OverviewMapControl());

map.addControl(new BMap.ScaleControl());                

map.enableScrollWheelZoom();                           

map.addControl(new BMap.MapTypeControl());



var top_left_navigation = new BMap.NavigationControl();  //左上角，添加默认缩放平移控件





function getAddr(JD,WD)

{

     var point = new BMap.Point(JD, WD);  //把地图中心定位到搜索的点

     map.centerAndZoom(point, 12);

     var marker1 = new BMap.Marker(new BMap.Point(JD,WD));  // 创建标注

     window.map.addOverlay(marker1);              // 将标注添加到地图中

     var gc = new BMap.Geocoder();                //获取地点信息

     

     gc.getLocation(point, function(rs){          //逆地理位置解析

        var addComp = rs.addressComponents;

        mapAddress = addComp.province+addComp.city + addComp.district+ addComp.street + addComp.streetNumber;

//      alert(mapAddress);



        //将mapAddress变量写入文件address.txt

	var fso, ts;

        var ForWriting= 2;

        fso = new ActiveXObject("Scripting.FileSystemObject");

        ts = fso.OpenTextFile("address.txt", ForWriting, true);

	ts.WriteLine(mapAddress);

        ts.WriteBlankLines(1);

        ts.Close();

     });

 

    return 122.211;

 

}

</script>