<?xml version="1.0" encoding="UTF-8" ?>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<script
src="http://maps.googleapis.com/maps/api/js">
</script>
<script>
var snappedCoordinates = [];
var placeIdArray = [];
var polylines = [];
function initialize()
{
var mapProp = {
center:{lat: 13.0342, lng: 80.2301},
zoom:14,
mapTypeId:google.maps.MapTypeId.ROADMAP
};
var map=new google.maps.Map(document.getElementById("googleMap"),mapProp);
var myTrip=[{lat: 13.0342, lng: 80.2301},{lat:13.0396077,lng:80.2457392}];
var path = myTrip;
polylines.push(myTrip);
placeIdArray = [];
runSnapToRoad(path);
function drawSnappedPolyline() {
var flightPath=new google.maps.Polyline({
path:myTrip,
strokeColor:"#0000FF",
strokeOpacity:0.8,
strokeWeight:2
});
flightPath.setMap(map);
polylines.push(flightPath);
}
function runSnapToRoad(path) {
var pathValues = [];
for (var i = 0; i < path.getLength(); i++) {
pathValues.push(path.getAt(i).toUrlValue());
}
$.get('https://roads.googleapis.com/v1/snapToRoads', {
interpolate: true,
key: apiKey,
path: pathValues.join('|')
}, function(data) {
processSnapToRoadResponse(data);
drawSnappedPolyline();
});
}
function processSnapToRoadResponse(data) {
snappedCoordinates = [];
placeIdArray = [];
for (var i = 0; i < data.snappedPoints.length; i++) {
var latlng = new google.maps.LatLng(
data.snappedPoints[i].location.latitude,
data.snappedPoints[i].location.longitude);
snappedCoordinates.push(latlng);
placeIdArray.push(data.snappedPoints[i].placeId);
}
}
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="googleMap" style="width:500px;height:380px;"></div>
</body>
</html>
这是我的google road api的代码我得到了中央地图但是路api不工作,我给了两点lat,lng如何确定地图为道路api我的exaction链接是https://developers.google.com/maps/documentation/roads/inspector如何集成ployline在我的代码中
答案 0 :(得分:0)
我认为您的代码中缺少var apiKey = 'YOUR_API_KEY';
。
使用Android API:
要使用Google Maps Android API,您必须在Google Developers Console上注册您的应用项目,并获取可以添加到您的应用中的Google API密钥。
按照以下steps获取API密钥:
在出现的对话框中,输入应用的SHA-1指纹和包名称
例如:
BB:0D:AC:74:D3:21:E1:43:67:71:9B:62:91:AF:A1:66:6E:44:5D:75
com.example.android.mapexample
您的新Android密钥会显示在项目的API密钥列表中。 API密钥是一串字符,如下所示:
AIzaSyBdVl-cTICSwYKrZ95SuvNw7dbMuDt1KG0
使用JavaScript API:
所有JavaScript API应用程序都需要身份验证。
按照以下steps获取API密钥: