详解Javascript百度地图接口开发文档中的类和方法

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

var map = new

BMap.Map("container");

//创建点坐标

var point = newBMap.Point(104.045,30.559);

//地图初始化

map.centerAndZoom(point,15);

map.addControl(newBMap.NavigationControl());



//控件位置:

var opts = {offset: newBMap.Size(150, 5)}

map.addControl(newBMap.ScaleControl(opts));

//修改控件配置:

var opts = {type:BMAP_NAVIGATION_CONTROL_SMALL}

map.addControl(newBMap.NavigationControl(opts));

//创建标注:

var marker = newBMap.Marker(new BMap.Point(104.045,30.559));

//将标注添加到地图中:

map.addOverlay(marker);

var opts = {

width : 250,//信息窗口宽度

height: 100,//信息窗口高度

title : "Hello"//信息窗口标题

}

var infoWindow = newBMap.InfoWindow("World", opts);//创建信息窗口对象

map.openInfoWindow(infoWindow,map.getCenter());//打开信息窗口

marker.addEventListener("click",function(){

alert("您点击了标注");

});

marker.addEventListener("click",function(){

map.openInfoWindow(infoWindow,map.getCenter());

});

var geolocation = newBMap.Geolocation();

geolocation.getCurrentPosition(function(r){

if(this.getStatus() == BMAP_STATUS_SUCCESS){ //判断状态

var mk = new BMap.Marker(r.point);//创建一个地图标注

map.addOverlay(mk);

map.panTo(r.point);//转向获取的地理坐标所在位置

alert('您的位置：'+r.point.lng+','+r.point.lat);

}

else {

alert('failed'+this.getStatus());

}

})

myCity = new BMap.LocalCity();

myCity.get(function(e){

map.setCenter(e.name);

alert(e.name);

});

map.addEventListener("click",function(e){

alert(e.point.lng + "," + e.point.lat);

});

var new_point = new BMap.Point(116.299689,40.1196618);

var marker = newBMap.Marker(new_point);//创建标注

map.addOverlay(marker);//将标注添加到地图中

map.panTo(new_point);

var myGeo = newBMap.Geocoder();//创建地址解析器实例

//将地址解析结果显示在地图上,并调整地图视野

myGeo.getPoint("北京市昌平区回龙观地铁站", function(point){

if (point) {

map.centerAndZoom(point, 15);

map.addOverlay(new BMap.Marker(point)); //在地图上标注地理位置

}else{

alert("您选择地址没有解析到结果!");

}

}, "北京市");

var geoc = newBMap.Geocoder();

map.addEventListener("click",function(e){

var pt = e.point; //点击位置的坐标点

geoc.getLocation(pt, function(rs){

var addComp = rs.addressComponents;

alert(addComp.province + ", " +addComp.city + ", " + addComp.district + ", " +addComp.street + ", " + addComp.streetNumber);

});

var walking = newBMap.WalkingRoute(map, {renderOptions:{map: map, autoViewport: true}});

walking.search("天坛公园", "故宫");

获取步行导航的结果显示实例:

var walking = newBMap.WalkingRoute(map, {renderOptions: {map: map, panel: "r-result",autoViewport: true}});

walking.search("天坛公园", "故宫");

var driving = newBMap.DrivingRoute(map, {renderOptions: {map: map, panel: "r-result",autoViewport: true}});

driving.search("女子医院", "王府井广场");

var transit = newBMap.TransitRoute(map, {renderOptions: {map: map, panel:"r-result"}});

transit.search("中医大省医院", "明宇金融广场");

var local = new BMap.LocalSearch(map,{

renderOptions:{map: map}

});

local.search("景点");

var local = newBMap.LocalSearch(map, {

renderOptions: {map: map, panel: "r-result"}

});

local.search("餐饮");