编辑:看来我正在查询限制,但我没有被返回完整的200结果。因此,经过进一步的研究,看起来Google API会让我查询10个盒子,返回这些结果,然后用剩余的OVER_QUERY_LIMIT状态打我。所以我想我现在有两个选择:减慢我的查询,或者扩大我的距离,在路线上创建更少的盒子。谷歌的地方不会返回完整的结果与RouteBoxer
我目前正在建造一个小型的网络应用程序,提供沿路线地点的细节(如加油站和咖啡的客场之旅)。我正在将Google Maps API与Places库一起使用,并使用RouteBoxer。 我使用RouteBoxer生成所有相应的框,但是当框传递到Places库时,我只能找回一些地方。通常我会得到路线的前半部分(较短路线)或几个随机区块(较长路线)。从旧金山到西雅图,我只能返回西雅图和梅德福附近的加油站。
最初我以为也许我是在达到200的结果上限,但是它为每个盒子提出了一个单独的请求,而且我的总结果通常不会达到200.返回的结果通常与我所能看到的一致。在查看我的网络请求和响应的详细信息时,似乎脚本正在通过位置库的请求框移动,并突然停止。
您可以在其中查看结果和框的实时应用程序位于Heroku。
我的JavaScript不是最强的。这就是为什么我想要使用这个API的一部分,所以如果我犯了一个微不足道的错误,请原谅我的无知。完整的脚本如下。任何方向都非常感谢!
var infowindow = new google.maps.InfoWindow();
var map;
var routeBoxer;
var service;
function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
var mapOptions = {
zoom: 4,
center: new google.maps.LatLng(39, -98),
mapTypeId: google.maps.MapTypeId.ROADMAP,
};
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
service = new google.maps.places.PlacesService(map);
routeBoxer = new RouteBoxer();
directionService = new google.maps.DirectionsService();
directionsRenderer = new google.maps.DirectionsRenderer({ map: map })
directionsDisplay.setMap(map);
directionsDisplay.setPanel(document.getElementById('directions-panel'));
}
function calcRoute() {
var start = document.getElementById('start').value;
var end = document.getElementById('end').value;
var waypt1 = document.getElementById('waypoint1').value;
var waypt2 = document.getElementById('waypoint2').value;
var waypts = []
if (waypt1) {
waypts.push({
location:waypt1,
stopover:true});
}
if (waypt2) {
waypts.push({
location:waypt2,
stopover:true});
}
var request = {
origin: start,
destination: end,
waypoints: waypts,
optimizeWaypoints: true,
travelMode: google.maps.TravelMode.DRIVING
};
directionService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
// Build boxes around route
var path = response.routes[0].overview_path;
var boxes = routeBoxer.box(path, 2); // distance in km from route
drawBoxes(boxes);
for (var i=0; i < boxes.length; i++) {
var bounds = boxes[i];
findPlaces(bounds);
findPlacesByText(bounds);
}
} else {
alert("Directions query failed: " + status);
}
});
}
function findPlaces(bounds) {
var selectedTypes = [];
var inputElements = document.getElementsByClassName('placeOption');
for (var i=0; inputElements[i]; i++) {
if (inputElements[i].checked) {
selectedTypes.push(inputElements[i].value)
}
}
var request = {
bounds: bounds,
types: selectedTypes
};
if (selectedTypes.length > 0) {
service.radarSearch(request, callback);
}
}
function findPlacesByText(bounds) {
var selectedTypes = '';
var inputElements = document.getElementsByClassName('textOption');
for (var i=0; inputElements[i]; i++) {
if (inputElements[i].checked) {
selectedTypes += inputElements[i].value + ', '
}
}
var request = {
bounds: bounds,
query: selectedTypes
};
if (selectedTypes.length > 0) {
service.textSearch(request, callback);
}
}
function callback(results, status) {
if (status == google.maps.places.PlacesServiceStatus.OK) {
for (var i = 0; i < results.length; i++) {
createMarker(results[i]);
}
}
}
function createMarker(place) {
var marker = new google.maps.Marker({
map: map,
position: place.geometry.location
});
var request = {
reference: place.reference
};
google.maps.event.addListener(marker,'click',function(){
service.getDetails(request, function(place, status) {
if (status == google.maps.places.PlacesServiceStatus.OK) {
var contentStr = '<h5>' + place.name + '</h5><p>' + place.formatted_address;
if (!!place.formatted_phone_number) contentStr += '<br />' + place.formatted_phone_number;
if (!!place.website) contentStr += '<br /><a target="_blank" href="' + place.website + '">' + place.website + '</a>';
contentStr += '<br />' + place.types + '</p>';
infowindow.setContent(contentStr);
infowindow.open(map,marker);
} else {
var contentStr = "<h5>No Result, status=" + status + "</h5>";
infowindow.setContent(contentStr);
infowindow.open(map,marker);
}
});
});
}
google.maps.event.addDomListener(window, 'load', initialize);