首页 > 代码库 > 【高德地图API】从零开始学高德JS API（五）路线规划——驾车|公交|步行
【高德地图API】从零开始学高德JS API（五）路线规划——驾车|公交|步行
原文:【高德地图API】从零开始学高德JS API（五）路线规划——驾车|公交|步行
先来看两个问题：路线规划与导航有什么区别？步行导航与驾车导航有什么区别？
回答：
1、路线规划，指的是为用户提供3条路线推荐。【高德】在提供路线规划的时候，会提供用户自定义路线规划功能，这是别家没有做到的。导航，指的是为驾车用户提示路口信息，向左向右，进入匝道等信息。
2、我们这里说的步行导航和驾车导航，严格的说，应该是路线规划。从A地到B地，如果是驾车，路线规划会将公路路网做为搜索数据；如果是步行，过街天桥、地下通道、人行道做为搜索数据。
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一、路线规划——驾车
1、驾车路线规划
有三种策略，分别是最短时间、最少费用、最短路径、规避拥堵（参考了实时交通数据，这个比较NB）。
LEAST_TIME，LEAST_FEE, LEAST_DISTANCE,REAL_TRAFFIC
我们在这里采取驾车插件来做。代码：
//驾车导航 function driving_route() { clearMap(); mapObj.plugin(["AMap.Driving"], function() { var DrivingOption = { policy: AMap.DrivingPolicy.LEAST_TIME }; MDrive = new AMap.Driving(DrivingOption); //构造驾车导航类 AMap.event.addListener(MDrive, "complete", driving_routeCallBack); //返回导航查询结果 MDrive.search(start_xy, end_xy); //根据起终点坐标规划驾车路线 }); }
示意图：
2、驾车最后一公里步行
在最开始一段，和最后一段步行距离的时候，可以用虚线来表示。
代码：
//起点到路线的起点 路线的终点到终点 绘制无道路部分 var extra_path1 = new Array(); extra_path1.push(start_xy); extra_path1.push(steps[0].path[0]); var extra_line1 = new AMap.Polyline({ map: mapObj, path: extra_path1, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4, strokeStyle: "dashed", //虚线 strokeDasharray: [10, 5] }); var extra_path2 = new Array(); var path_xy = steps[(steps.length-1)].path; extra_path2.push(end_xy); extra_path2.push(path_xy[(path_xy.length-1)]); var extra_line2 = new AMap.Polyline({ map: mapObj, path: extra_path2, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4, strokeStyle: "dashed", //虚线 strokeDasharray: [10, 5] });
效果图：
3、驾车导航拖拽效果
如果要可拖拽的效果，需要使用另外一个插件，AMap.DragRoute。
代码：
//可拖拽的驾车导航function driving_route_drag(){ clearMap(); var path = [start_xy,end_xy]; mapObj.plugin("AMap.DragRoute",function(){ MDrive = new AMap.DragRoute(mapObj, path, AMap.DrivingPolicy.LEAST_FEE); //构造拖拽导航类 MDrive.search(); //查询导航路径并开启拖拽导航 });}
示意图：
示例查看：http://zhaoziang.com/amap/zero_5_1.html
二、路线规划——公交
1、公交导航
公交导航不仅是路线相关的，还是根据公交车路线数据，进行查询。使用到插件AMap.LineSearch。
代码：
//公交线路查询function lineSearch() { clearMap(); //加载公交线路查询插件 //实例化公交线路查询类，只取回一条路线 mapObj.plugin(["AMap.LineSearch"], function() { var linesearch = new AMap.LineSearch({ pageIndex:1, city:‘北京‘, pageSize:1, extensions:‘all‘ }); //搜索“518”相关公交线路 linesearch.search(‘518‘); AMap.event.addListener(linesearch, "complete", lineSearch_Callback); AMap.event.addListener(linesearch, "error", function(e){alert(e.info); }); }); }
效果图：
2、公交线路查询，如518
查询公交线路，需要注明城市。每个城市都可能有518路线，对吧。
代码：
//公交线路查询function lineSearch() { clearMap(); //加载公交线路查询插件 //实例化公交线路查询类，只取回一条路线 mapObj.plugin(["AMap.LineSearch"], function() { var linesearch = new AMap.LineSearch({ pageIndex:1, city:‘北京‘, pageSize:1, extensions:‘all‘ }); //搜索“518”相关公交线路 linesearch.search(‘518‘); AMap.event.addListener(linesearch, "complete", lineSearch_Callback); AMap.event.addListener(linesearch, "error", function(e){alert(e.info); }); }); }
示意图：
3、通过站点，查公交线路
比如，我在北京东直门，想知道东直门都有哪些公交路线。使用服务插件AMap.StationSearch。
代码：
//公交站点查询 function stationSearch() { clearMap(); //加载公交站点查询插件 mapObj.plugin(["AMap.StationSearch"], function() { //实例化公交站点查询类 var station = new AMap.StationSearch({ pageIndex: 1, //页码 pageSize: 10, //单页显示结果条数 city:‘010‘ //确定搜索城市 }); station.search(‘东直门‘); //查询 AMap.event.addListener(station, ‘complete‘, stationSearch_CallBack); AMap.event.addListener(station, ‘error‘, function(e) {alert(e.info);}); }); }
示例图：
示例查看：http://zhaoziang.com/amap/zero_5_1.html
三、路线规划——步行
步行，可以过天桥啊，地下通道啊，穿过小区啊，不能走高速公路啊，等特点。
代码：
//步行导航 function walking_route() { var MWalk; mapObj.plugin(["AMap.Walking"], function() { MWalk = new AMap.Walking(); //构造路线导航类 AMap.event.addListener(MWalk, "complete", walk_routeCallBack); //返回导航查询结果 MWalk.search(start_xy, end_xy); //根据起终点坐标规划步行路线 }); }
效果图：
示例查看：http://zhaoziang.com/amap/zero_5_1.html
四、小结
驾车，公交，步行的区别
1、从效果图里可以看出，这三种路线规划是搜索的不同数据库。
2、他们的服务插件不一样，都是通过【高德服务插件】进行调用。比原生API接口封装得更加完善，使用起来更加简单。
五、全部源代码
<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>地图路线规划服务</title><link rel="stylesheet" type="text/css" href="zero.css" /><script language="javascript" src="http://webapi.amap.com/maps?v=1.2&key=caaa086bdf5666322fba3baf5a6a2c03"></script></head><body onLoad="mapInit()"> <div id="iCenter"></div> <div id="iControlbox"> <p>坐标：<span id="lnglats"> </span></p> <ul> <li> <button onclick="javascript:driving_route();">驾车路线规划</button> <button onclick="javascript:driving_route_drag();">可拖拽插件</button> </li> <li> <button onclick="javascript:transfer_route();">公交路线规划</button> <button onclick="javascript:lineSearch();">518路公交车</button> <button onclick="javascript:stationSearch();">东直门站点</button> </li> <li> <button onclick="javascript:walking_route();">步行路线规划</button> </li> <li> <button onclick="javascript:clearMap();">清空地图</button> </li> </ul> </div> <div id="result"></div><!-- tongji begin--><script type="text/javascript">var _bdhmProtocol = (("https:" == document.location.protocol) ? " https://" : " http://");document.write(unescape("%3Cscript src=http://www.mamicode.com/‘" + _bdhmProtocol + "hm.baidu.com/h.js%3Faeff88f19045b513af7681b011cea3bd‘ type=‘text/javascript‘%3E%3C/script%3E"));</script><!-- tongji end --></body><script language="javascript">function setLi(id1,id2){ document.getElementById("box1").style.display = "none"; document.getElementById("box2").style.display = "none"; document.getElementById("box3").style.display = "none"; document.getElementById(id1).style.display = "block"; document.getElementById("iLi1").style.background = "#eee"; document.getElementById("iLi2").style.background = "#eee"; document.getElementById("iLi3").style.background = "#eee"; document.getElementById(id2).style.background = "#fff";}var mapObj;var route_textvar steps;var polyline;var MDrive;var btContent = new Array(); //结果表格数组var resultStr;//结果拼接stringvar resLine = ‘‘; //结果表格对象//初始化地图对象，加载地图function mapInit(){ mapObj = new AMap.Map("iCenter",{ center:new AMap.LngLat(116.397428,39.90923), //地图中心点 level:11 //地图显示的比例尺级别 }); AMap.event.addListener(mapObj,‘click‘,getLnglat); //点击事件}//鼠标点击，获取经纬度坐标function getLnglat(e){ var x = e.lnglat.getLng(); var y = e.lnglat.getLat(); document.getElementById("lnglats").innerHTML = x + "," + y;}//清空地图function clearMap(){ mapObj.clearMap(); document.getElementById("result").innerHTML = ‘ ‘;}//起、终点var start_xy = new AMap.LngLat(116.379018,39.865026);var end_xy = new AMap.LngLat(116.321139, 39.896028);//驾车导航function driving_route() { clearMap(); mapObj.plugin(["AMap.Driving"], function() { var DrivingOption = { //驾车策略，包括 LEAST_TIME，LEAST_FEE, LEAST_DISTANCE,REAL_TRAFFIC policy: AMap.DrivingPolicy.LEAST_TIME }; MDrive = new AMap.Driving(DrivingOption); //构造驾车导航类 AMap.event.addListener(MDrive, "complete", driving_routeCallBack); //返回导航查询结果 MDrive.search(start_xy, end_xy); //根据起终点坐标规划驾车路线 });}//可拖拽的驾车导航function driving_route_drag(){ clearMap(); var path = [start_xy,end_xy]; mapObj.plugin("AMap.DragRoute",function(){ MDrive = new AMap.DragRoute(mapObj, path, AMap.DrivingPolicy.LEAST_FEE); //构造拖拽导航类 MDrive.search(); //查询导航路径并开启拖拽导航 });}//导航结果展示function driving_routeCallBack(data) { var routeS = data.routes; if (routeS.length <= 0) { document.getElementById("result").innerHTML = "未查找到任何结果!<br />建议：<br />1.请确保所有字词拼写正确。<br />2.尝试不同的关键字。<br />3.尝试更宽泛的关键字。"; } else{ route_text=""; for(var v =0; v< routeS.length;v++){ //驾车步骤数 steps = routeS[v].steps var route_count = steps.length; //行车距离（米） var distance = routeS[v].distance; //拼接输出html for(var i=0 ;i< steps.length;i++){ route_text += "<tr><td align=\"left\" onm ouseover=\"driveDrawFoldline(‘" + i + "‘)\">" + i +"." +steps[i].instruction + "</td></tr>"; } } //输出行车路线指示 route_text = "<table cellspacing=\"5px\"><tr><td style=\"background:#e1e1e1;\">路线</td></tr><tr><td><img src=http://www.mamicode.com/"http://code.mapabc.com/images/start.gif\" /> 北京南站</td></tr>" + route_text + "<tr><td><img src=http://www.mamicode.com/"http://code.mapabc.com/images/end.gif\" /> 北京西站</td></tr></table>"; document.getElementById("result").innerHTML = route_text; drivingDrawLine(); }}//绘制驾车导航路线function drivingDrawLine(s) { //起点、终点图标 var sicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size:new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -180) }); var startmarker = new AMap.Marker({ icon : sicon, //复杂图标 visible : true, position : start_xy, map:mapObj, offset : { x : -16, y : -40 } }); var eicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size:new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -134) }); var endmarker = new AMap.Marker({ icon : eicon, //复杂图标 visible : true, position : end_xy, map:mapObj, offset : { x : -16, y : -40 } }); //起点到路线的起点 路线的终点到终点 绘制无道路部分 var extra_path1 = new Array(); extra_path1.push(start_xy); extra_path1.push(steps[0].path[0]); var extra_line1 = new AMap.Polyline({ map: mapObj, path: extra_path1, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4, strokeStyle: "dashed", //虚线 strokeDasharray: [10, 5] }); var extra_path2 = new Array(); var path_xy = steps[(steps.length-1)].path; extra_path2.push(end_xy); extra_path2.push(path_xy[(path_xy.length-1)]); var extra_line2 = new AMap.Polyline({ map: mapObj, path: extra_path2, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4, strokeStyle: "dashed", //虚线 strokeDasharray: [10, 5] }); var drawpath = new Array(); for(var s=0; s<steps.length; s++){ drawpath = steps[s].path; var polyline = new AMap.Polyline({ map: mapObj, path: drawpath, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4, strokeDasharray: [10, 5] }); } mapObj.setFitView();}//绘制驾车导航路段function driveDrawFoldline(num){ var drawpath1 = new Array(); drawpath1 = steps[num].path; if(polyline != null){ polyline.setMap(null); } polyline = new AMap.Polyline({ map: mapObj, path: drawpath1, strokeColor: "#FF3030", strokeOpacity: 0.9, strokeWeight: 4, strokeDasharray: [10, 5] }); mapObj.setFitView(polyline);}//公交导航function transfer_route() { clearMap(); var trans; //加载公交换乘插件 mapObj.plugin(["AMap.Transfer"], function() { transOptions = { city: ‘北京市‘, //公交城市 policy: AMap.TransferPolicy.LEAST_TIME //乘车策略 }; //构造公交换乘类 trans = new AMap.Transfer (transOptions); //返回导航查询结果 AMap.event.addListener(trans, "complete", transCallBack); //显示错误信息 AMap.event.addListener(trans, "error", function(e) {alert(e.info);}); //根据起、终点坐标查询公交换乘路线 trans.search(start_xy,end_xy); });}function transCallBack(data) { var btCount = data.count; var btPlans = data.plans; var btOrigin = data.origin; var btDestination = data.destination; var btTaxiCost = data.taxi_cost; var startName = "北京南站"; //可以使用地理编码解析起点和终点坐标 var endName = "北京站"; var BusArr = []; var WalkArr = []; var onbus = new Array(); var onwalk = new Array(); //结果输出用表格展现，输出表格头 var resTableHeader = "<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr><td width=\"80\" style=\" border-left:1px solid #fff; background:#e1e1e1;\"> 乘车方案</td><td width=\"80\" style=\" border-left:1px solid #fff; background:#e1e1e1;\"> 导航信息</td></tr>"; btContent.push(resTableHeader); //遍历每种换乘方案 for (var i = 0; i < btPlans.length; i++) { var btDistance = btPlans[i].distance; var btseg = btPlans[i].segments; var lineNameArr = new Array(); var resLine = ""; var naviInfo = ‘‘; var lineName; for(var j = 0; j < btseg.length; j++) { naviInfo += btseg[j].instruction + "<br/>"; if(btseg[j].transit_mode =="WALK") { if(i===0) { WalkArr.push(btseg[j].transit.path); } } else { lineName = btseg[j].transit.lines[0].name; lineNameArr.push(lineName); if(i===0) { BusArr.push(btseg[j].transit.path); } } } lineName = lineNameArr.join("-->"); drawBuschangeLine(btOrigin,btDestination,BusArr,WalkArr); //结果输出用表格展现，输出表格内容 resLine = "<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">" + "<tr><td width=\"80\" class=\"change_blue\">"+ lineName +"</td><td width=\"80\" class=\"change_blue\" >" + Getdistance(btDistance) + "</td></tr>" + "<tr><td width=\"80\" class=\"change_blue\" ></td><td width=\"80\"><img src=http://www.mamicode.com/"http://webapi.amap.com/images/start.gif\" /> <b>起点</b> " + startName + "</td></tr>" + "<tr><td width=\"80\" class=\"change_blue\"></td><td width=\"80\" class=\"change_blue\">"+ naviInfo +"</td></tr>"+ "<tr><td width=\"80\" class=\"change_blue\" ></td><td width=\"80\"><img src=http://www.mamicode.com/"http://webapi.amap.com/images/end.gif\" /> <b>终点</b> " + endName + "</td></tr>"; btContent.push(resLine); } resultStr = btContent.join(""); //写到result这个div document.getElementById("result").innerHTML = resultStr; //取出需要加换乘、步行图标的位置，这里仅画出第一个换乘方案 var sinseg = btPlans[0].segments; for(var a in sinseg) { if(sinseg[a].transit_mode =="WALK") { onwalk.push(sinseg[a].transit.origin); } else { onbus.push(sinseg[a].transit.on_station.location); } } addMarker(onbus); mapObj.setFitView();}//距离，米换算为千米function Getdistance(len) { if (len <= 1000) { var s = len; return s + "米"; } else { var s = Math.round(len / 1000); return "约" + s + "公里"; }}//绘制路线，仅第一条function drawBuschangeLine(startPot,endPot,BusArr,WalkArr) { //自定义起点，终点图标 var sicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size: new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -180) }); var eicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size: new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -134) }); //绘制起点，终点 var stmarker = new AMap.Marker({ map:mapObj, position:new AMap.LngLat(startPot.lng,startPot.lat), //基点位置 icon:sicon, //复杂图标 offset:{x:-16,y:-34} //相对于基点的位置 }); var endmarker = new AMap.Marker({ map:mapObj, position:new AMap.LngLat(endPot.lng,endPot.lat), //基点位置 icon:eicon, //复杂图标 offset:{x:-16,y:-34} //相对于基点的位置 }); //绘制乘车的路线 for(var j in BusArr) { busPolyline = new AMap.Polyline({ map:mapObj, path:BusArr[j], strokeColor:"#005cb5",//线颜色 strokeOpacity:0.8,//线透明度 strokeWeight:6//线宽 }); } //绘制步行的路线 for (var i in WalkArr) { walkPolyline = new AMap.Polyline({ map:mapObj, path:WalkArr[i], strokeColor : "#6EB034", //线颜色 strokeOpacity : 0.6, //线透明度 strokeWeight : 6//线宽 }); }}function addMarker(busmar) { for (var i = 0; i < busmar.length; i++) { var busmarker = new AMap.Marker({ icon : new AMap.Icon({ image: "http://api.amap.com/Public/images/js/busroute.png", size: new AMap.Size(20, 20), imageOffset: new AMap.Pixel(-33, -3) }), position : busmar[i], offset : { x : -25, y : -25 }, map:mapObj }); }}//公交线路查询function lineSearch() { clearMap(); //加载公交线路查询插件 //实例化公交线路查询类，只取回一条路线 mapObj.plugin(["AMap.LineSearch"], function() { var linesearch = new AMap.LineSearch({ pageIndex:1, city:‘北京‘, pageSize:1, extensions:‘all‘ }); //搜索“518”相关公交线路 linesearch.search(‘518‘); AMap.event.addListener(linesearch, "complete", lineSearch_Callback); AMap.event.addListener(linesearch, "error", function(e){alert(e.info); }); });}function lineSearch_Callback(data) { var lineArr = data.lineInfo; var lineNum = data.lineInfo.length; if(lineNum == 0) { resLine = data.info; } else { resLine += "<div id=\"divid" + i + "\"><table>"; for(var i = 0; i < lineNum; i++) { var lineName = lineArr[i].name; var lineCity = lineArr[i].city; var distance = lineArr[i].distance; var company = lineArr[i].company; var stime = lineArr[i].stime; var etime = lineArr[i].etime; var pathArr = lineArr[i].path; var stops = lineArr[i].via_stops; var startPot = stops[0].location; var endPot = stops[stops.length-1].location; //结果输出用DIV展现，输出内容 resLine += "<tr><td><h3><font color=\"#00a6ac\">" + lineName + "</font></h3></td></tr>"; resLine += "<tr><td>首末车时间：" + stime.substring(0, 2) + ":" + stime.substring(2, 4) + ‘-‘ + etime.substring(0, 2) + ":" + etime.substring(2, 4) + "；" + "全长：" + distance + "公里;" + "所属公司：" + company+"</td></tr>"; //绘制第一条路线 if(i==0) drawbusLine(startPot,endPot,pathArr); } resLine += "</table></div>" document.getElementById(‘result‘).innerHTML = resLine; }}//绘制路线function drawbusLine(startPot,endPot,BusArr) { //自定义起点，终点图标 var sicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size: new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -180) }); var eicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size: new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -134) }); //绘制起点，终点 var stmarker = new AMap.Marker({ map:mapObj, position:new AMap.LngLat(startPot.lng,startPot.lat), //基点位置 icon:sicon, //复杂图标 offset:{x:-16,y:-34}, //相对于基点的位置 zIndex:10 }); var endmarker = new AMap.Marker({ map:mapObj, position:new AMap.LngLat(endPot.lng,endPot.lat), //基点位置 icon:eicon, //复杂图标 offset:{x:-16,y:-34}, //相对于基点的位置 zIndex:10 }); //绘制乘车的路线 busPolyline = new AMap.Polyline({ map:mapObj, path:BusArr, strokeColor:"#005cb5",//线颜色 strokeOpacity:0.8,//线透明度 strokeWeight:6//线宽 }); mapObj.setFitView();}//公交站点查询function stationSearch() { clearMap(); //加载公交站点查询插件 mapObj.plugin(["AMap.StationSearch"], function() { //实例化公交站点查询类 var station = new AMap.StationSearch({ pageIndex: 1, //页码 pageSize: 10, //单页显示结果条数 city:‘010‘ //确定搜索城市 }); station.search(‘东直门‘); //查询 AMap.event.addListener(station, ‘complete‘, stationSearch_CallBack); AMap.event.addListener(station, ‘error‘, function(e) {alert(e.info);}); });}/* *公交站点查询返回数据解析 */function stationSearch_CallBack(searchResult) { clearMap(); var resultStr = ""; //结果拼接String var resultString = searchResult.info; var stationArr = searchResult.stationInfo; var searchNum = stationArr.length; var iMarker = searchResult.location; if(searchNum > 0) { resultStr += "<div id=\"divid" + i + "\"><table>"; for(var i=0; i<searchNum; i++) { //结果输出用表格展现 resultStr += "<tr><td><h3><font color=\"#00a6ac\">" + stationArr[i].name + "</font></h3></td></tr>"; resultStr += "<tr><td>途径该站点的公交线路:</td></tr><tr><td>"; var stationBusArr = stationArr[i].buslines; for(var j =0; j<stationBusArr.length; j++) { resultStr += stationBusArr[j].name + "<br/>"; } } resultStr += "</td></tr></table></div>" document.getElementById("result").innerHTML = resultStr; var stmarker = new AMap.Marker({ map:mapObj, position:iMarker }); } else { document.getElementById("result").innerHTML = resultString; }}//步行导航function walking_route() { var MWalk; mapObj.plugin(["AMap.Walking"], function() { MWalk = new AMap.Walking(); //构造路线导航类 AMap.event.addListener(MWalk, "complete", walk_routeCallBack); //返回导航查询结果 MWalk.search(start_xy, end_xy); //根据起终点坐标规划步行路线 });}//导航结果展示function walk_routeCallBack(data) { var routeS = data.routes; if (routeS.length <= 0) { document.getElementById("result").innerHTML = "未查找到任何结果!<br />建议：<br />1.请确保所有字词拼写正确。<br />2.尝试不同的关键字。<br />3.尝试更宽泛的关键字。"; } else { route_text=""; for(var v =0; v< routeS.length;v++){ //步行导航路段数 steps = routeS[v].steps; var route_count = steps.length; //步行距离（米） var distance = routeS[v].distance; //拼接输出html for(var i=0 ;i< steps.length;i++) { route_text += "<tr><td align=\"left\" onm ouseover=\"walkingDrawSeg(‘" + i + "‘)\">" + i +"." +steps[i].instruction + "</td></tr>"; } } //输出步行路线指示 route_text = "<table cellspacing=\"5 px\" ><tr><td style=\"background:#e1e1e1;\">路线</td></tr><tr><td><img src=http://www.mamicode.com/"http://code.mapabc.com/images/start.gif\" /> 北京南站</td></tr>" + route_text + "<tr><td><img src=http://www.mamicode.com/"http://code.mapabc.com/images/end.gif\" /> 北京站</td></tr></table>"; document.getElementById("result").innerHTML = route_text; walkingDrawLine(); }}//绘制步行导航路线function walkingDrawLine() { //起点、终点图标 var sicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size:new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -180) }); var startmarker = new AMap.Marker({ icon : sicon, //复杂图标 visible : true, position : start_xy, map:mapObj, offset : { x : -16, y : -40 } }); var eicon = new AMap.Icon({ image: "http://api.amap.com/Public/images/js/poi.png", size:new AMap.Size(44,44), imageOffset: new AMap.Pixel(-334, -134) }); var endmarker = new AMap.Marker({ icon : eicon, //复杂图标 visible : true, position : end_xy, map:mapObj, offset : { x : -16, y : -40 } }); //起点到路线的起点 路线的终点到终点 绘制无道路部分 var extra_path1 = new Array(); extra_path1.push(start_xy); extra_path1.push(steps[0].path[0]); var extra_line1 = new AMap.Polyline({ map: mapObj, path: extra_path1, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4, strokeStyle: "dashed", strokeDasharray: [10, 5] }); var extra_path2 = new Array(); var path_xy = steps[(steps.length-1)].path; extra_path2.push(end_xy); extra_path2.push(path_xy[(path_xy.length-1)]); var extra_line2 = new AMap.Polyline({ map: mapObj, path: extra_path2, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4, strokeStyle: "dashed", strokeDasharray: [10, 5] }); for(var s=0; s<steps.length; s++) { var drawpath = steps[s].path; var polyline = new AMap.Polyline({ map: mapObj, path: drawpath, strokeColor: "#9400D3", strokeOpacity: 0.7, strokeWeight: 4 }); } mapObj.setFitView();}</script></html>
示例查看：http://zhaoziang.com/amap/zero_5_1.html
【高德地图API】从零开始学高德JS API（五）路线规划——驾车|公交|步行
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