百度地图API地址：http://developer.baidu.com/map/jsdemo.htm#i5_2
实例HTML如下：
<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> <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=您的密钥"></script> <title>根据起终点经纬度驾车导航</title> </head> <body> <div id="allmap"></div> </body> </html> <script type="text/javascript"> // 百度地图API功能 var map = new BMap.Map("allmap"); map.centerAndZoom(new BMap.Point(116.404, 39.915), 11); var p1 = new BMap.Point(116.301934,39.977552); var p2 = new BMap.Point(116.508328,39.919141); var driving = new BMap.DrivingRoute(map, {renderOptions:{map: map, autoViewport: true}}); driving.search(p1, p2); </script>