如何解析谷歌地图地理编码结果
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【中文标题】如何解析谷歌地图地理编码结果【英文标题】：how to parse a Google Maps geocoding result 【发布时间】：2011-08-12 22:57:08 【问题描述】：我想使用地理编码从给定的纬度和经度中检索地理地址， 使用网站上的给定示例 http://maps.googleapis.com/maps/api/geocode/json?latlng=40.714224,-73.961452&sensor=true 在这个例子中，我只需要城市名称纽约和国家名称，即美国。但问题是出现不止一种 这些词作为long_name。 我的问题是如何在 php 中解析这个 json/xml 以获得城市名称和国家/地区。
$url= file_get_contents('http://maps.googleapis.com/maps/api/geocode/xml?latlng=40.714224,-73.961452&sensor=true');
$xml = simplexml_load_string($url);
$tracks = $xml->result;
$temp; $city; $country;
foreach($tracks as $key)
foreach($key->address_component as $val)
$temp= $val->long_name;
if($val->type=="locality")
$city=$temp;
else if($val->type=="country")
$country=$temp;
echo $country."<br />"; echo $city;
<?xml version="1.0" encoding="UTF-8"?>
<GeocodeResponse>
<status>OK</status>
<result>
<type>street_address</type>
<formatted_address>277 Bedford Avenue, ***lyn, New York 11211, USA</formatted_address>
<address_component>
<long_name>277</long_name>
<short_name>277</short_name>
<type>street_number</type>
</address_component>
<address_component>
<long_name>Bedford Avenue</long_name>
<short_name>Bedford Ave</short_name>
<type>route</type>
</address_component>
<address_component>
<long_name>Williamsburg</long_name>
<short_name>Williamsburg</short_name>
<type>neighborhood</type>
<type>political</type>
</address_component>
<address_component>
<long_name>***lyn</long_name>
<short_name>***lyn</short_name>
<type>sublocality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>Kings</long_name>
<short_name>Kings</short_name>
<type>administrative_area_level_2</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<address_component>
<long_name>11211</long_name>
<short_name>11211</short_name>
<type>postal_code</type>
</address_component>
<geometry>
<location>
<lat>40.7142320</lat>
<lng>-73.9612889</lng>
</location>
<location_type>ROOFTOP</location_type>
<viewport>
<southwest>
<lat>40.7128830</lat>
<lng>-73.9626379</lng>
</southwest>
<northeast>
<lat>40.7155810</lat>
<lng>-73.9599399</lng>
</northeast>
</viewport>
</geometry>
</result>
<result>
<type>bus_station</type>
<type>transit_station</type>
<type>establishment</type>
<formatted_address>Grand St/Bedford Av, ***lyn, New York 11211, USA</formatted_address>
<address_component>
<long_name>Grand St/Bedford Av</long_name>
<short_name>Grand St/Bedford Av</short_name>
<type>bus_station</type>
<type>transit_station</type>
<type>establishment</type>
</address_component>
<address_component>
<long_name>Williamsburg</long_name>
<short_name>Williamsburg</short_name>
<type>neighborhood</type>
<type>political</type>
</address_component>
<address_component>
<long_name>***lyn</long_name>
<short_name>***lyn</short_name>
<type>sublocality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>Kings</long_name>
<short_name>Kings</short_name>
<type>administrative_area_level_2</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<address_component>
<long_name>11211</long_name>
<short_name>11211</short_name>
<type>postal_code</type>
</address_component>
<geometry>
<location>
<lat>40.7143210</lat>
<lng>-73.9611510</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.7129720</lat>
<lng>-73.9625000</lng>
</southwest>
<northeast>
<lat>40.7156700</lat>
<lng>-73.9598020</lng>
</northeast>
</viewport>
</geometry>
</result>
<result>
<type>bus_station</type>
<type>transit_station</type>
<type>establishment</type>
<formatted_address>Grand St/Bedford Av, ***lyn, New York 11249, USA</formatted_address>
<address_component>
<long_name>Grand St/Bedford Av</long_name>
<short_name>Grand St/Bedford Av</short_name>
<type>bus_station</type>
<type>transit_station</type>
<type>establishment</type>
</address_component>
<address_component>
<long_name>Williamsburg</long_name>
<short_name>Williamsburg</short_name>
<type>neighborhood</type>
<type>political</type>
</address_component>
<address_component>
<long_name>***lyn</long_name>
<short_name>***lyn</short_name>
<type>sublocality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>Kings</long_name>
<short_name>Kings</short_name>
<type>administrative_area_level_2</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<address_component>
<long_name>11249</long_name>
<short_name>11249</short_name>
<type>postal_code</type>
</address_component>
<geometry>
<location>
<lat>40.7146840</lat>
<lng>-73.9615630</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.7133350</lat>
<lng>-73.9629120</lng>
</southwest>
<northeast>
<lat>40.7160330</lat>
<lng>-73.9602140</lng>
</northeast>
</viewport>
</geometry>
</result>
<result>
<type>bus_station</type>
<type>transit_station</type>
<type>establishment</type>
<formatted_address>Bedford Av/Grand St, ***lyn, New York 11211, USA</formatted_address>
<address_component>
<long_name>Bedford Av/Grand St</long_name>
<short_name>Bedford Av/Grand St</short_name>
<type>bus_station</type>
<type>transit_station</type>
<type>establishment</type>
</address_component>
<address_component>
<long_name>Williamsburg</long_name>
<short_name>Williamsburg</short_name>
<type>neighborhood</type>
<type>political</type>
</address_component>
<address_component>
<long_name>***lyn</long_name>
<short_name>***lyn</short_name>
<type>sublocality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>Kings</long_name>
<short_name>Kings</short_name>
<type>administrative_area_level_2</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<address_component>
<long_name>11211</long_name>
<short_name>11211</short_name>
<type>postal_code</type>
</address_component>
<geometry>
<location>
<lat>40.7147100</lat>
<lng>-73.9609990</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.7133610</lat>
<lng>-73.9623480</lng>
</southwest>
<northeast>
<lat>40.7160590</lat>
<lng>-73.9596500</lng>
</northeast>
</viewport>
</geometry>
</result>
<result>
<type>postal_code</type>
<formatted_address>***lyn, New York 11211, USA</formatted_address>
<address_component>
<long_name>11211</long_name>
<short_name>11211</short_name>
<type>postal_code</type>
</address_component>
<address_component>
<long_name>***lyn</long_name>
<short_name>***lyn</short_name>
<type>sublocality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York City</long_name>
<short_name>New York City</short_name>
<type>locality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>40.7093358</lat>
<lng>-73.9565551</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.7008331</lat>
<lng>-73.9644697</lng>
</southwest>
<northeast>
<lat>40.7280089</lat>
<lng>-73.9207299</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>40.7008331</lat>
<lng>-73.9644697</lng>
</southwest>
<northeast>
<lat>40.7280089</lat>
<lng>-73.9207299</lng>
</northeast>
</bounds>
</geometry>
</result>
<result>
<type>neighborhood</type>
<type>political</type>
<formatted_address>Williamsburg, ***lyn, New York, USA</formatted_address>
<address_component>
<long_name>Williamsburg</long_name>
<short_name>Williamsburg</short_name>
<type>neighborhood</type>
<type>political</type>
</address_component>
<address_component>
<long_name>***lyn</long_name>
<short_name>***lyn</short_name>
<type>sublocality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York City</long_name>
<short_name>New York City</short_name>
<type>locality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>Kings</long_name>
<short_name>Kings</short_name>
<type>administrative_area_level_2</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>40.7064461</lat>
<lng>-73.9536163</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.6979329</lat>
<lng>-73.9698450</lng>
</southwest>
<northeast>
<lat>40.7251773</lat>
<lng>-73.9364980</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>40.6979329</lat>
<lng>-73.9698450</lng>
</southwest>
<northeast>
<lat>40.7251773</lat>
<lng>-73.9364980</lng>
</northeast>
</bounds>
</geometry>
</result>
<result>
<type>administrative_area_level_2</type>
<type>political</type>
<formatted_address>Kings, New York, USA</formatted_address>
<address_component>
<long_name>Kings</long_name>
<short_name>Kings</short_name>
<type>administrative_area_level_2</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>40.6528762</lat>
<lng>-73.9594940</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.5695637</lat>
<lng>-74.0429503</lng>
</southwest>
<northeast>
<lat>40.7394460</lat>
<lng>-73.8333651</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>40.5695637</lat>
<lng>-74.0429503</lng>
</southwest>
<northeast>
<lat>40.7394460</lat>
<lng>-73.8333651</lng>
</northeast>
</bounds>
</geometry>
</result>
<result>
<type>sublocality</type>
<type>political</type>
<formatted_address>***lyn, New York, USA</formatted_address>
<address_component>
<long_name>***lyn</long_name>
<short_name>***lyn</short_name>
<type>sublocality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York City</long_name>
<short_name>New York City</short_name>
<type>locality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>Kings</long_name>
<short_name>Kings</short_name>
<type>administrative_area_level_2</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>40.6500000</lat>
<lng>-73.9500000</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.5510420</lat>
<lng>-74.0566300</lng>
</southwest>
<northeast>
<lat>40.7394460</lat>
<lng>-73.8333651</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>40.5510420</lat>
<lng>-74.0566300</lng>
</southwest>
<northeast>
<lat>40.7394460</lat>
<lng>-73.8333651</lng>
</northeast>
</bounds>
</geometry>
</result>
<result>
<type>locality</type>
<type>political</type>
<formatted_address>New York City, New York, USA</formatted_address>
<address_component>
<long_name>New York City</long_name>
<short_name>New York City</short_name>
<type>locality</type>
<type>political</type>
</address_component>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>40.7143528</lat>
<lng>-74.0059731</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.4960060</lat>
<lng>-74.2557349</lng>
</southwest>
<northeast>
<lat>40.9152556</lat>
<lng>-73.7002721</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>40.4959961</lat>
<lng>-74.2590879</lng>
</southwest>
<northeast>
<lat>40.9152556</lat>
<lng>-73.7002721</lng>
</northeast>
</bounds>
</geometry>
</result>
<result>
<type>political</type>
<formatted_address>USA, ニュー・ヨーク＝ノーザン・ニュー・ジャージー＝ロング・アイランド</formatted_address>
<address_component>
<long_name>ニュー・ヨーク＝ノーザン・ニュー・ジャージー＝ロング・アイランド</long_name>
<short_name>ニュー・ヨーク＝ノーザン・ニュー・ジャージー＝ロング・アイランド</short_name>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>40.9590293</lat>
<lng>-74.0300122</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>39.4985330</lat>
<lng>-75.3585939</lng>
</southwest>
<northeast>
<lat>41.6018065</lat>
<lng>-71.8562140</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>39.4985330</lat>
<lng>-75.3585939</lng>
</southwest>
<northeast>
<lat>41.6018065</lat>
<lng>-71.8562140</lng>
</northeast>
</bounds>
</geometry>
</result>
<result>
<type>administrative_area_level_1</type>
<type>political</type>
<formatted_address>New York, USA</formatted_address>
<address_component>
<long_name>New York</long_name>
<short_name>NY</short_name>
<type>administrative_area_level_1</type>
<type>political</type>
</address_component>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>43.2994285</lat>
<lng>-74.2179326</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>40.4960191</lat>
<lng>-79.7621438</lng>
</southwest>
<northeast>
<lat>45.0156269</lat>
<lng>-71.8562643</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>40.4959961</lat>
<lng>-79.7621438</lng>
</southwest>
<northeast>
<lat>45.0158650</lat>
<lng>-71.8562643</lng>
</northeast>
</bounds>
</geometry>
</result>
<result>
<type>country</type>
<type>political</type>
<formatted_address>USA</formatted_address>
<address_component>
<long_name>USA</long_name>
<short_name>US</short_name>
<type>country</type>
<type>political</type>
</address_component>
<geometry>
<location>
<lat>37.0902400</lat>
<lng>-95.7128910</lng>
</location>
<location_type>APPROXIMATE</location_type>
<viewport>
<southwest>
<lat>25.8200000</lat>
<lng>-124.3900000</lng>
</southwest>
<northeast>
<lat>49.3800000</lat>
<lng>-66.9400000</lng>
</northeast>
</viewport>
<bounds>
<southwest>
<lat>-90.0000000</lat>
<lng>-180.0000000</lng>
</southwest>
<northeast>
<lat>90.0000000</lat>
<lng>180.0000000</lng>
</northeast>
</bounds>
</geometry>
</result>
</GeocodeResponse>
【问题讨论】：
【参考方案1】：我有一个适用于 Google Geocode JSON 结果的简单解决方案。这是一个简单的 for 循环，它在字符串数组中返回该短版本和长版本。只需调用函数并在参数中提供“类型”。
string[] street_number = GetJSONValueBasedOnType(record.geocode, "street_number");
public string[] GetJSONValueBasedOnType(NewGoogleGeocode gc, string WhatYouWant)
string[] returns = new string[2];
returns[0] = string.Empty;
returns[1] = string.Empty;
bool isInIt;
foreach (var v in gc.results[0].address_components)
isInIt = false;
foreach (var t in v.types)
if (t == WhatYouWant)
isInIt = true;
if (isInIt)
returns[0] = v.short_name;
returns[1] = v.long_name;
return returns;
【讨论】：
【参考方案2】：您可以检查 google 响应 (json) 中的 3 个变量以查找当前城市名称。因此，该名称有 3 种不同的解释：
Country
|
AdministrativeArea
|
|_AdministrativeAreaName (cityname)
|
|_Locality_LocalityName (cityname)
|
|_SubAdministrativeArea
|
|_Locality_LocalityName (cityname)
if ($this->json->Placemark[0]->AddressDetails->Country->AdministrativeArea->Locality->LocalityName != NULL)
$code['cityname'] = $this->json->Placemark[0]->AddressDetails->Country->AdministrativeArea->Locality->LocalityName;
elseif ($this->json->Placemark[0]->AddressDetails->Country->AdministrativeArea->SubAdministrativeArea->Locality->LocalityName != NULL)
$code['cityname'] = $this->json->Placemark[0]->AddressDetails->Country->AdministrativeArea->SubAdministrativeArea->Locality->LocalityName;
如果您有更多的地标，则需要遍历所有数组。
"results" : [
"address_components" : [
"long_name" : "277",
"short_name" : "277",
"types" : [ "street_number" ]
,
"long_name" : "Bedford Avenue",
"short_name" : "Bedford Ave",
"types" : [ "route" ]
,
"long_name" : "Williamsburg",
"short_name" : "Williamsburg",
"types" : [ "neighborhood", "political" ]
,
"long_name" : "***lyn",
"short_name" : "***lyn",
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【讨论】：
谢谢你的回复，我已经用我自己的简单逻辑来解决这个问题并在这里分享以寻求帮助$url= file_get_contents('http://maps.googleapis.com/maps/api/geocode/xml?latlng=40.714224,-73.961452&sensor=true'); $xml = simplexml_load_string($url); $tracks = $xml->result; $temp; $city; $country; foreach($tracks as $key) foreach($key->address_component as $val) $temp= $val->long_name; if($val->type=="locality") $city=$temp; else if($val->type=="country") $country=$temp; echo $country."<br />"; echo $city;以上是关于如何解析谷歌地图地理编码结果的主要内容，如果未能解决你的问题，请参考以下文章