从Google地图请求中解析城市/州 [英] Parsing city/state from Google Maps request

问题描述

  var geocoder = new google.maps.Geocoder（）; 
 geocoder.geocode（{'latLng'：foundLoc}，function（results，status）{
 if（status == google.maps.GeocoderStatus.OK）{
 if（results [1 ]）{
 var loc = getCityState（results）; 
} 
} 
}）; 
 
函数getCityState（结果）
 {
 var citystateArray = results [1] .formatted_address.split（，，2）; 
 var city = citystateArray [0]; 
 var state = citystateArray [1] .substring（1，3）; 
 return（city +'，'+ state）
} 
  

这是我现在使用的是什么，这个工作大约有90％的时间。其他时候， formatted_address 包含一个城镇和一个城市以及州，其他时间只是城镇和城市，其他时间是您梦寐以求的一切。

我还没有找到一种总是从Google Maps API结果中获得城市/州的一致方式。你们有没有一个人？感谢。

谷歌在其网页上使用的一个响应示例：

  {
status：OK，
results：[{
types：[street_address]，
formatted_address： 1600 Amphitheater Pkwy，Mountain View，CA 94043，USA，
address_components：[{
long_name：1600，
short_name：1600，
types：[street_number] 
}，{
long_name：Amphitheatre Pkwy，
short_name：Amphitheatre Pkwy，
 ：[route] 
}，{
long_name：Mountain View，
short_name：Mountain View，
types：[ b，b，b，b，b，b， ，政治] 
}，{
long_name：美国，
short_name：美国，
types：[country， 政治] 
}，{
long_name：94043，
short_name：94043，
types：[postal_code] 
}] ，
geometry：{
location：{
lat：37.4219720，
lng：-122.0841430 
}，
 location_type：ROOFTOP，
viewport：{
southwest：{
lat：37.4188244，
lng：-122.0872906 
} ，
northeast：{
lat：37.4251196，
lng：-122.0809954 
} 
} 
} 
} ] 
} 
  

有时候这些字段没有值，为什么要解析 formatted_address ？

有address_components，你可以通过它们来寻找那些带有

 types ：[administrative_area_level_1，political] //州
ty pes：[locality，political] //城市
  

下面是一个例子： a href =http://jsfiddle.net/doktormolle/QWPCL/ =noreferrer> http://jsfiddle.net/doktormolle/QWPCL/

var geocoder = new google.maps.Geocoder();
            geocoder.geocode({'latLng': foundLoc}, function(results, status) {
                if (status == google.maps.GeocoderStatus.OK) {
                    if (results[1]) {
                        var loc = getCityState(results);
                    }
                }
            }); 

function getCityState(results)
        {
            var citystateArray = results[1].formatted_address.split(",",2);
            var city = citystateArray[0];
            var state = citystateArray[1].substring(1, 3);
            return (city + ', ' + state)
        }

This is what I use now, and this works about 90% of the time. Other times, the formatted_address contains a town and a city along with the state, other times just the town and city, other times everything you can dream of.

I haven't yet found a CONSISTENT way of ALWAYS getting the city/state from a Google Maps API result. Do any of you guys have one? Thanks.

Example of one response that Google uses as an example on their page:

{
  "status": "OK",
  "results": [ {
    "types": [ "street_address" ],
    "formatted_address": "1600 Amphitheatre Pkwy, Mountain View, CA 94043, USA",
    "address_components": [ {
      "long_name": "1600",
      "short_name": "1600",
      "types": [ "street_number" ]
    }, {
      "long_name": "Amphitheatre Pkwy",
      "short_name": "Amphitheatre Pkwy",
      "types": [ "route" ]
    }, {
      "long_name": "Mountain View",
      "short_name": "Mountain View",
      "types": [ "locality", "political" ]
    }, {
      "long_name": "California",
      "short_name": "CA",
      "types": [ "administrative_area_level_1", "political" ]
    }, {
      "long_name": "United States",
      "short_name": "US",
      "types": [ "country", "political" ]
    }, {
      "long_name": "94043",
      "short_name": "94043",
      "types": [ "postal_code" ]
    } ],
    "geometry": {
      "location": {
        "lat": 37.4219720,
        "lng": -122.0841430
      },
      "location_type": "ROOFTOP",
      "viewport": {
        "southwest": {
          "lat": 37.4188244,
          "lng": -122.0872906
        },
        "northeast": {
          "lat": 37.4251196,
          "lng": -122.0809954
        }
      }
    }
  } ]
}

Sometimes those fields don't have values, sometimes they do.

解决方案

Why do you parse formatted_address ?

There are the address_components, you can walk through them and look for the ones with

"types": [ "administrative_area_level_1", "political" ]// the state
"types" : [ "locality", "political" ]//the city

Here's an example: http://jsfiddle.net/doktormolle/QWPCL/

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