<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
</style>
<title>参考线路</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script src="./lib/base/base.js"></script>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=4d06aa5b2c816cc52a1a9cd008808c68"></script>
<script type="text/javascript">
var lon=getQueryString(‘lon‘) //目标位置
var lat=getQueryString(‘lat‘)
var mylon=getQueryString(‘mylon‘)//自己的位置
var mylat=getQueryString(‘mylat‘)
// 百度地图API功能
//添加地图类型控件
var map = new BMap.Map("allmap");
map.centerAndZoom(new BMap.Point(lon,lat), 15);
//增加比例尺
var top_left_control = new BMap.ScaleControl({anchor: BMAP_ANCHOR_TOP_LEFT});// 左上角，添加比例尺
var top_left_navigation = new BMap.NavigationControl(); //左上角，添加默认缩放平移控件
var top_right_navigation = new BMap.NavigationControl({anchor: BMAP_ANCHOR_TOP_RIGHT, type: BMAP_NAVIGATION_CONTROL_SMALL}); //右上角
map.addControl(top_left_control); //增加比例尺
map.addControl(top_left_navigation);
map.addControl(top_right_navigation);
var myP1 = new BMap.Point(lon,lat); //起点
var myP2 = new BMap.Point(mylon,mylat); //终点
var myIcon = new BMap.Icon("http://lbsyun.baidu.com/jsdemo/img/Mario.png", new BMap.Size(32, 70), { //小车图片
//offset: new BMap.Size(0, -5), //相当于CSS精灵
imageOffset: new BMap.Size(0, 0) //图片的偏移量。为了是图片底部中心对准坐标点。
});
var driving2 = new BMap.DrivingRoute(map, {renderOptions:{map: map, autoViewport: true}}); //驾车实例
driving2.search(myP1, myP2); //显示一条公交线路
window.run = function (){
var driving = new BMap.DrivingRoute(map); //驾车实例
driving.search(myP1, myP2);
driving.setSearchCompleteCallback(function(){
var pts = driving.getResults().getPlan(0).getRoute(0).getPath(); //通过驾车实例，获得一系列点的数组
var paths = pts.length; //获得有几个点
var carMk = new BMap.Marker(pts[0],{icon:myIcon});
map.addOverlay(carMk);
i=0;
function resetMkPoint(i){
carMk.setPosition(pts[i]);
if(i < paths){
setTimeout(function(){
i++;
resetMkPoint(i);
},60);
}
}
setTimeout(function(){
resetMkPoint(5);
},100)
});
}
setTimeout(function(){
run();
},1500);
</script>
原文地址：https://www.cnblogs.com/zhuwu/p/8184957.html