如何轻松从谷歌地图api的通用地址获取邮政编码？ [英] How to easily get a zipcode from a generic address with google maps api?

问题描述

我试图获得通用地址的邮政编码，例如los angeles，ca。当我这样做时：

  gcode = new google.maps.Geocoder（）
 gcode.geocode（{'address '：'Los Angeles，CA'}，function（results，status）{log（results）;}）; 
>> [Object {address_components = [4]，formatted_address =Los Angeles，CA，USA，geometry = {...}，more ...}] 
  

我得到一个没有邮编的返回对象...但是，如果我接着从那里返回位置对象，那么我可以访问一个邮政编码：

  gcode.geocode（{'latLng'：results [0] .geometry.location}，function（results，status）{log （results [0] .address_components [7] .long_name）}）; 
>> 90012
  

..但这似乎很浪费，因为我不得不对API进行两次调用为什么不使用（例如1600 + Amphitheater + Parkway，+ Mountain + View是您的地址）

  http://maps.googleapis.com/maps/api / geocode / json？address = 1600 + Amphitheater + Parkway，+ Mountain + View，+ CA& sensor = true_or_false 
  

然后解析JSON为

 long_name：94043，
short_name： 94043，
types：[postal_code] 
}] 
  

请参阅此处 - > http://code.google.com/apis/maps/documentation / geocoding /

I am trying to get the postal code of a generic address such as "los angeles, ca". When I do this:

gcode = new google.maps.Geocoder()
gcode.geocode({'address': 'Los Angeles, CA'}, function(results, status) { log(results); });
>> [Object { address_components=[4], formatted_address="Los Angeles, CA, USA", geometry={...}, more...}]

I get an object returned that does not have a zipcode... However, if I then take the location object returned from that, then I do get access to a zipcode:

gcode.geocode({'latLng': results[0].geometry.location}, function(results, status) { log(results[0].address_components[7].long_name) });
>> "90012"

.. But this seems wasteful as I am having to make two calls to the API to do this.. Is there a way to force Google to initially give me a zipcode?

解决方案

Why not using (for instance 1600+Amphitheatre+Parkway,+Mountain+View is your address)

http://maps.googleapis.com/maps/api/geocode/json?address=1600+Amphitheatre+Parkway,+Mountain+View,+CA&sensor=true_or_false

And then parse the JSON for

"long_name": "94043",
  "short_name": "94043",
  "types": [ "postal_code" ]
} ]

see here -> http://code.google.com/apis/maps/documentation/geocoding/

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