我想使用Google Maps API来获取邮政编码的坐标。
我正在使用以下文档：https : //developers.google.com/maps/documentation/geocoding/intro?csw=1
现在，我想搜索邮政编码1200（瑞士的日内瓦）时，请使用以下URL：https : //maps.google.com/maps/api/geocode/json? region=ch&components=postal_code:1200
我得到了很多不同的结果，但是在瑞士却没有（结果在问题的结尾）。看来region参数根本不起作用，因为我在其他国家得到了结果。
当我搜索1201（也适用于日内瓦）时，它可以工作。
知道为什么吗？我宁愿没有得到任何结果，然后得到错误的结果（在其他国家/地区的结果）
{
"results" : [
{
"address_components" : [
{
"long_name" : "1200",
"short_name" : "1200",
"types" : [ "postal_code" ]
},
{
"long_name" : "Region Brüssel-Hauptstadt",
"short_name" : "Region Brüssel-Hauptstadt",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Belgien",
"short_name" : "BE",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "1200, Belgien",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 50.86307189999999,
"lng" : 4.4629024
},
"southwest" : {
"lat" : 50.8337598,
"lng" : 4.3999935
}
},
"location" : {
"lat" : 50.850308,
"lng" : 4.4278228
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 50.86307189999999,
"lng" : 4.4629024
},
"southwest" : {
"lat" : 50.8337598,
"lng" : 4.3999935
}
}
},
"place_id" : "ChIJNa8iqqHcw0cRG4NyYbv66KY",
"types" : [ "postal_code" ]
},
{
"address_components" : [
{
"long_name" : "1200",
"short_name" : "1200",
"types" : [ "postal_code" ]
},
{
"long_name" : "Wien",
"short_name" : "Wien",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Wien",
"short_name" : "Wien",
"types" : [ "postal_town" ]
},
{
"long_name" : "Wien",
"short_name" : "Wien",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Österreich",
"short_name" : "AT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "1200 Wien, Österreich",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 48.2646423,
"lng" : 16.4007913
},
"southwest" : {
"lat" : 48.2252299,
"lng" : 16.3618448
}
},
"location" : {
"lat" : 48.235668,
"lng" : 16.373098
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 48.2646423,
"lng" : 16.4007913
},
"southwest" : {
"lat" : 48.2252299,
"lng" : 16.3618448
}
}
},
"place_id" : "ChIJs0PDoUQGbUcRI9VvmpZbVzQ",
"types" : [ "postal_code" ]
},
{
"address_components" : [
{
"long_name" : "1200",
"short_name" : "1200",
"types" : [ "postal_code", "postal_code_prefix" ]
},
{
"long_name" : "Lissabon",
"short_name" : "Lissabon",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Lissabon",
"short_name" : "Lissabon",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Portugal",
"short_name" : "PT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "1200 Lissabon, Portugal",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 38.7177413,
"lng" : -9.1387655
},
"southwest" : {
"lat" : 38.7006072,
"lng" : -9.168078299999999
}
},
"location" : {
"lat" : 38.7096083,
"lng" : -9.1539178
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 38.7177413,
"lng" : -9.1387655
},
"southwest" : {
"lat" : 38.7006072,
"lng" : -9.168078299999999
}
}
},
"place_id" : "ChIJT3JAUYI0GQ0R4Nc7DsHrABw",
"types" : [ "postal_code", "postal_code_prefix" ]
},
{
"address_components" : [
{
"long_name" : "1200",
"short_name" : "1200",
"types" : [ "postal_code" ]
},
{
"long_name" : "Mbombela",
"short_name" : "Mbombela",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Mbombela",
"short_name" : "Mbombela",
"types" : [ "administrative_area_level_3", "political" ]
},
{
"long_name" : "Ehlanzeni",
"short_name" : "Ehlanzeni",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "Mpumalanga",
"short_name" : "MP",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Südafrika",
"short_name" : "ZA",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Mbombela, 1200, Südafrika",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : -25.434559,
"lng" : 31.035606
},
"southwest" : {
"lat" : -25.5273621,
"lng" : 30.9615131
}
},
"location" : {
"lat" : -25.4922163,
"lng" : 31.0048384
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : -25.434559,
"lng" : 31.035606
},
"southwest" : {
"lat" : -25.5273621,
"lng" : 30.9615131
}
}
},
"place_id" : "ChIJC-Upoo1J6B4RbhfORqGdY2s",
"types" : [ "postal_code" ]
},
{
"address_components" : [
{
"long_name" : "1200",
"short_name" : "1200",
"types" : [ "postal_code" ]
},
{
"long_name" : "København K",
"short_name" : "København K",
"types" : [ "political", "sublocality", "sublocality_level_1" ]
},
{
"long_name" : "København",
"short_name" : "København",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Dänemark",
"short_name" : "DK",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "1200 København K, Dänemark",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 55.6788537,
"lng" : 12.581048
},
"southwest" : {
"lat" : 55.6774083,
"lng" : 12.5790574
}
},
"location" : {
"lat" : 55.6780957,
"lng" : 12.5799054
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 55.6794799802915,
"lng" : 12.5814016802915
},
"southwest" : {
"lat" : 55.6767820197085,
"lng" : 12.5787037197085
}
}
},
"place_id" : "ChIJuYvG1hZTUkYREL3-tlYomQk",
"types" : [ "postal_code" ]
}
],
"status" : "OK"
}
就像邓肯说的那样，区域代码只会影响而不完全限制地理编码器的结果。要了解更多信息，请检查区域偏向。
如果要在某个国家/地区获得特定结果，请使用component = country而不是地区。
我试图在瑞士国家/地区请求postal_code：1200。我得到零结果。因此，请确保您正在使用的请求是有效的。
https://maps.google.com/maps/api/geocode/json?components=postal_code:1200|country:CH
而且，如果我尝试了postal_code：1201，那么我会得到您想要的特定结果。
https://maps.google.com/maps/api/geocode/json?components=postal_code:1201|country:CH
如果您确定postal_code：1200在瑞士是有效的邮政编码，那么Google Maps可能不认为postal_code是瑞士日内瓦的邮政编码。
尝试也检查一下我回答的这个相关的SO问题。
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