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我使用下面的代碼來顯示兩個距離之間的距離,但縮放不起作用它總是會在默認縮放級別。我嘗試設置很多值,但它不起作用。請幫忙。谷歌地圖api方向縮放不起作用
var directionsDisplay;
var directionsService = new google.maps.DirectionsService();
var map;
var from = "";
function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
directionsDisplay.preserveViewport = false;
var dallas = new google.maps.LatLng(32.8931567, -97.0402193);
var mapOptions = {
zoom: 15,
center: dallas
};
map = new google.maps.Map(document.getElementById('googleMap'), mapOptions);
map.setZoom(map.getZoom()+5);
directionsDisplay.setMap(map);
calcRoute();
}
function calcRoute() {
var start = 'dallas airport terminal a';
var end = 'SpringHill Suites';
console.log("HotelDetail: " + end);
var request = {
origin: start,
destination: end,
travelMode: google.maps.TravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}
google.maps.event.addDomListener(window, 'load', initialize);