有没有办法覆盖 Google 路线服务缩放值？

我使用下面的代码来获取两点之间的路线：

directionsService.route(request, function(response, status) {
    if (status == google.maps.DirectionsStatus.OK) {
        directionsDisplay.setDirections(response);
    }
}

它工作正常，但我不想在绘制路线时更改地图位置和缩放级别。因此，当我使用不同的纬度和经度值调用上面的代码时，我希望保持我的地图位置和缩放级别。 任何想法？

When you create the DirectionsRendererapi-doc https://developers.google.com/maps/documentation/javascript/reference#DirectionsRenderer, you can pass a DirectionsRendererOptionsapi-doc https://developers.google.com/maps/documentation/javascript/reference#DirectionsRendererOptions object to the constructor function or you can call the DirectionsRenderer.setOptions method if you would like to change the options at some time after creation.

您可以使用preserveViewport的财产DirectionsRendererOptions对象来控制渲染器如何与地图交互。环境preserveViewport to true将使地图显示保持不变：

directionsService.route(request, function(response, status) {
    if (status == google.maps.DirectionsStatus.OK) {
        directionsDisplay.setOptions({ preserveViewport: true });
        directionsDisplay.setDirections(response);
    }
}