我是使用json数据的新手，并且对如何从这个地理编码数据中得到我想要的内容感到困惑。我要做的是用用户的纬度和经度坐标获取城市和州的名称。这是一些示例数据：
{
"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" : "Brooklyn",
"short_name" : "Brooklyn",
"types" : [ "sublocality_level_1", "sublocality", "political" ]
},
{
"long_name" : "Kings County",
"short_name" : "Kings County",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
},
{
"long_name" : "11211",
"short_name" : "11211",
"types" : [ "postal_code" ]
}
],
"formatted_address" : "277 Bedford Ave, Brooklyn, NY 11211, USA",
"geometry" : {
"location" : {
"lat" : 40.714232,
"lng" : -73.9612889
},
"location_type" : "ROOFTOP",
"viewport" : {
"northeast" : {
"lat" : 40.7155809802915,
"lng" : -73.9599399197085
},
"southwest" : {
"lat" : 40.7128830197085,
"lng" : -73.96263788029151
}
}
},
"place_id" : "ChIJd8BlQ2BZwokRAFUEcm_qrcA",
"types" : [ "street_address" ]
},
{
"address_components" : [
{
"long_name" : "Grand St/Bedford Av",
"short_name" : "Grand St/Bedford Av",
"types" : [ "point_of_interest", "establishment" ]
},
{
"long_name" : "Williamsburg",
"short_name" : "Williamsburg",
"types" : [ "neighborhood", "political" ]
},
{
"long_name" : "Brooklyn",
"short_name" : "Brooklyn",
"types" : [ "sublocality_level_1", "sublocality", "political" ]
},
{
"long_name" : "Kings County",
"short_name" : "Kings County",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
},
{
"long_name" : "11211",
"short_name" : "11211",
"types" : [ "postal_code" ]
}
],
"formatted_address" : "Grand St/Bedford Av, Brooklyn, NY 11211, USA",
"geometry" : {
"location" : {
"lat" : 40.714321,
"lng" : -73.961151
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 40.71566998029149,
"lng" : -73.95980201970849
},
"southwest" : {
"lat" : 40.7129720197085,
"lng" : -73.96249998029151
}
}
},
"place_id" : "ChIJi27VXGBZwokRM8ErPyB91yk",
"types" : [
"bus_station",
"transit_station",
"point_of_interest",
"establishment"
]
},
{
"address_components" : [
{
"long_name" : "Williamsburg",
"short_name" : "Williamsburg",
"types" : [ "neighborhood", "political" ]
},
{
"long_name" : "Brooklyn",
"short_name" : "Brooklyn",
"types" : [ "sublocality_level_1", "sublocality", "political" ]
},
{
"long_name" : "New York",
"short_name" : "New York",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Kings County",
"short_name" : "Kings County",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Williamsburg, Brooklyn, NY, USA",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 40.7251773,
"lng" : -73.936498
},
"southwest" : {
"lat" : 40.6979329,
"lng" : -73.96984499999999
}
},
"location" : {
"lat" : 40.7081156,
"lng" : -73.9570696
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 40.7251773,
"lng" : -73.936498
},
"southwest" : {
"lat" : 40.6979329,
"lng" : -73.96984499999999
}
}
},
"place_id" : "ChIJQSrBBv1bwokRbNfFHCnyeYI",
"types" : [ "neighborhood", "political" ]
},
{
"address_components" : [
{
"long_name" : "Brooklyn",
"short_name" : "Brooklyn",
"types" : [ "sublocality_level_1", "sublocality", "political" ]
},
{
"long_name" : "New York",
"short_name" : "New York",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Kings County",
"short_name" : "Kings County",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Brooklyn, NY, USA",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 40.739446,
"lng" : -73.83336509999999
},
"southwest" : {
"lat" : 40.551042,
"lng" : -74.05663
}
},
"location" : {
"lat" : 40.6781784,
"lng" : -73.94415789999999
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 40.739446,
"lng" : -73.83336509999999
},
"southwest" : {
"lat" : 40.551042,
"lng" : -74.05663
}
}
},
"place_id" : "ChIJCSF8lBZEwokRhngABHRcdoI",
"types" : [ "sublocality_level_1", "sublocality", "political" ]
},
{
"address_components" : [
{
"long_name" : "New York",
"short_name" : "New York",
"types" : [ "locality", "political" ]
},
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "New York, NY, USA",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 40.91525559999999,
"lng" : -73.70027209999999
},
"southwest" : {
"lat" : 40.4960439,
"lng" : -74.25573489999999
}
},
"location" : {
"lat" : 40.7127837,
"lng" : -74.0059413
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 40.91525559999999,
"lng" : -73.70027209999999
},
"southwest" : {
"lat" : 40.4960439,
"lng" : -74.25573489999999
}
}
},
"place_id" : "ChIJOwg_06VPwokRYv534QaPC8g",
"types" : [ "locality", "political" ]
},
{
"address_components" : [
{
"long_name" : "11211",
"short_name" : "11211",
"types" : [ "postal_code" ]
},
{
"long_name" : "Brooklyn",
"short_name" : "Brooklyn",
"types" : [ "sublocality_level_1", "sublocality", "political" ]
},
{
"long_name" : "New York",
"short_name" : "New York",
"types" : [ "locality", "political" ]
},
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Brooklyn, NY 11211, USA",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 40.7280089,
"lng" : -73.9207299
},
"southwest" : {
"lat" : 40.7008331,
"lng" : -73.9644697
}
},
"location" : {
"lat" : 40.7093358,
"lng" : -73.9565551
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 40.7280089,
"lng" : -73.9207299
},
"southwest" : {
"lat" : 40.7008331,
"lng" : -73.9644697
}
}
},
"place_id" : "ChIJvbEjlVdZwokR4KapM3WCFRw",
"types" : [ "postal_code" ]
},
{
"address_components" : [
{
"long_name" : "Kings County",
"short_name" : "Kings County",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Kings County, NY, USA",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 40.7391407,
"lng" : -73.83336509999999
},
"southwest" : {
"lat" : 40.5702197,
"lng" : -74.04195919999999
}
},
"location" : {
"lat" : 40.6528762,
"lng" : -73.95949399999999
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 40.7391407,
"lng" : -73.83336509999999
},
"southwest" : {
"lat" : 40.5702197,
"lng" : -74.04195919999999
}
}
},
"place_id" : "ChIJOwE7_GTtwokRs75rhW4_I6M",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"address_components" : [
{
"long_name" : "New York",
"short_name" : "NY",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "New York, USA",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 45.015865,
"lng" : -71.85620639999999
},
"southwest" : {
"lat" : 40.496091,
"lng" : -79.76214379999999
}
},
"location" : {
"lat" : 43.2994285,
"lng" : -74.21793260000001
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 45.015859,
"lng" : -71.85620639999999
},
"southwest" : {
"lat" : 40.496091,
"lng" : -79.76214379999999
}
}
},
"place_id" : "ChIJqaUj8fBLzEwRZ5UY3sHGz90",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"address_components" : [
{
"long_name" : "United States",
"short_name" : "US",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "United States",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 71.3867745,
"lng" : -66.9502861
},
"southwest" : {
"lat" : 18.9106768,
"lng" : 172.4458955
}
},
"location" : {
"lat" : 37.09024,
"lng" : -95.712891
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 49.38,
"lng" : -66.94
},
"southwest" : {
"lat" : 25.82,
"lng" : -124.39
}
}
},
"place_id" : "ChIJCzYy5IS16lQRQrfeQ5K5Oxw",
"types" : [ "country", "political" ]
}
],
"status" : "OK"
}
P.S。我在android中这样做。
答案 0 :(得分：1)
我猜您在给定的formatted_address中只需要JSON值，所以试试这个
try {
JSONObject jsonObject = new JSONObject(resultantJSONString);
if (jsonObject.getString("status").equals("OK")) {
jsonObject = jsonObject.getJSONArray("results")
.getJSONObject(0);
String formattedAddress = jsonObject.getString("formatted_address");
}
} catch (Exception e) {
e.printStackTrace();
}
答案 1 :(得分：0)
实际上这是您的地理编码数据。
"viewport" : {
"northeast" : {
"lat" : 40.71566998029149,
"lng" : -73.95980201970849
},
"southwest" : {
"lat" : 40.7129720197085,
"lng" : -73.96249998029151
}
}
我认为这是地图的TOP, RIGHT和BOTTOM, RIGHT点视口。