google-maps-api-3 - 使用 Google map API v3 如何获取给定地址的 LatLng？

Question

如果用户输入地址，我想转换为等效的 LatLng。

我已阅读文档，我认为我可以使用 Geocoder 类来执行此操作，但不知道如何实现它。

感谢您的帮助!

Answer 1

https://developers.google.com/maps/documentation/javascript/examples/geocoding-simple 上有一个很好的例子

稍微缩短一下:

geocoder = new google.maps.Geocoder();

function codeAddress() {

    //In this case it gets the address from an element on the page, but obviously you  could just pass it to the method instead
    var address = document.getElementById( 'address' ).value;

    geocoder.geocode( { 'address' : address }, function( results, status ) {
        if( status == google.maps.GeocoderStatus.OK ) {

            //In this case it creates a marker, but you can get the lat and lng from the location.LatLng
            map.setCenter( results[0].geometry.location );
            var marker = new google.maps.Marker( {
                map     : map,
                position: results[0].geometry.location
            } );
        } else {
            alert( 'Geocode was not successful for the following reason: ' + status );
        }
    } );
}