从JSON中提取几个级别的属性
代码：
IEnumerator Radar()
{
radarURL = "https://maps.googleapis.com/maps/api/geocode/json?latlng="+ "43.761223" + "," + "11.280470" + "&key=" + APIkey;
WWW googleResp = new WWW(radarURL);
yield return googleResp;
googleRespStr = googleResp.text;
JSONNode jsonReturn = JSON.Parse(googleResp.text);
string results = jsonReturn["results"]["formatted_address"].Value;
Debug.Log(jsonReturn["results"]["formatted_address"].Value);
textDebug.text = jsonReturn;
Debug.Log(jsonReturn);
}
输出JSON：
{
"results" : [
{
"address_components" : [
{
"long_name" : "45-47",
"short_name" : "45-47",
"types" : [ "street_number" ]
},
{
"long_name" : "Via Bartolomeo Scala",
"short_name" : "Via Bartolomeo Scala",
"types" : [ "route" ]
},
{
"long_name" : "Firenze",
"short_name" : "Firenze",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Firenze",
"short_name" : "Firenze",
"types" : [ "administrative_area_level_3", "political" ]
},
{
"long_name" : "Città Metropolitana di Firenze",
"short_name" : "FI",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "Toscana",
"short_name" : "Toscana",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Italia",
"short_name" : "IT",
"types" : [ "country", "political" ]
},
{
"long_name" : "50126",
"short_name" : "50126",
"types" : [ "postal_code" ]
}
],
"formatted_address" : "Via Bartolomeo Scala, 45-47, 50126 Firenze, Italia",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 43.7613726,
"lng" : 11.2806527
},
"southwest" : {
"lat" : 43.76119389999999,
"lng" : 11.2803103
}
},
"location" : {
"lat" : 43.76124780000001,
"lng" : 11.2804451
},
"location_type" : "RANGE_INTERPOLATED",
"viewport" : {
"northeast" : {
"lat" : 43.76263223029149,
"lng" : 11.2818304802915
},
"southwest" : {
"lat" : 43.7599342697085,
"lng" : 11.2791325197085
}
}
},
"place_id" : "EjJWaWEgQmFydG9sb21lbyBTY2FsYSwgNDUtNDcsIDUwMTI2IEZpcmVuemUsIEl0YWxpYQ",
"types" : [ "street_address" ]
},
{
"address_components" : [
{
"long_name" : "Firenze",
"short_name" : "Firenze",
"types" : [ "locality", "political" ]
},
{
"long_name" : "Firenze",
"short_name" : "Firenze",
"types" : [ "administrative_area_level_3", "political" ]
},
{
"long_name" : "Città Metropolitana di Firenze",
"short_name" : "FI",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "Toscana",
"short_name" : "Toscana",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Italia",
"short_name" : "IT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Firenze, Italia",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 43.8329368,
"lng" : 11.3278993
},
"southwest" : {
"lat" : 43.7269795,
"lng" : 11.1540365
}
},
"location" : {
"lat" : 43.7695604,
"lng" : 11.2558136
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 43.8329368,
"lng" : 11.3278993
},
"southwest" : {
"lat" : 43.7269795,
"lng" : 11.1540365
}
}
},
"place_id" : "ChIJrdbSgKZWKhMRAyrH7xd51ZM",
"types" : [ "locality", "political" ]
},
{
"address_components" : [
{
"long_name" : "50126",
"short_name" : "50126",
"types" : [ "postal_code" ]
},
{
"long_name" : "Firenze",
"short_name" : "Firenze",
"types" : [ "administrative_area_level_3", "political" ]
},
{
"long_name" : "Città Metropolitana di Firenze",
"short_name" : "FI",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "Toscana",
"short_name" : "Toscana",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Italia",
"short_name" : "IT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "50126 Firenze FI, Italia",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 43.7661839,
"lng" : 11.321206
},
"southwest" : {
"lat" : 43.7383011,
"lng" : 11.267919
}
},
"location" : {
"lat" : 43.7592388,
"lng" : 11.2920619
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 43.7661839,
"lng" : 11.321206
},
"southwest" : {
"lat" : 43.7383011,
"lng" : 11.267919
}
}
},
"place_id" : "ChIJRS-JDZ1TKhMRIO59QpQsCBw",
"types" : [ "postal_code" ]
},
{
"address_components" : [
{
"long_name" : "Firenze",
"short_name" : "Firenze",
"types" : [ "administrative_area_level_3", "political" ]
},
{
"long_name" : "Città Metropolitana di Firenze",
"short_name" : "FI",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "Toscana",
"short_name" : "Toscana",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Italia",
"short_name" : "IT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Firenze FI, Italia",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 43.8352047,
"lng" : 11.3391437
},
"southwest" : {
"lat" : 43.7258401,
"lng" : 11.1506007
}
},
"location" : {
"lat" : 43.7890761,
"lng" : 11.2297105
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 43.8352047,
"lng" : 11.3391437
},
"southwest" : {
"lat" : 43.7258401,
"lng" : 11.1506007
}
}
},
"place_id" : "ChIJ30yk06BWKhMR2ZdgiWilRbo",
"types" : [ "administrative_area_level_3", "political" ]
},
{
"address_components" : [
{
"long_name" : "Città Metropolitana di Firenze",
"short_name" : "FI",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"long_name" : "Toscana",
"short_name" : "Toscana",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Italia",
"short_name" : "IT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Città Metropolitana di Firenze, Italia",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 44.239233,
"lng" : 11.7529629
},
"southwest" : {
"lat" : 43.4522844,
"lng" : 10.7111173
}
},
"location" : {
"lat" : 43.7679178,
"lng" : 11.2523792
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 44.239233,
"lng" : 11.7529629
},
"southwest" : {
"lat" : 43.4522844,
"lng" : 10.7111173
}
}
},
"place_id" : "ChIJY3a9eKD4KhMRYIDk45AsCAM",
"types" : [ "administrative_area_level_2", "political" ]
},
{
"address_components" : [
{
"long_name" : "Toscana",
"short_name" : "Toscana",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "Italia",
"short_name" : "IT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Toscana, Italia",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 44.4726899,
"lng" : 12.3713555
},
"southwest" : {
"lat" : 42.2384378,
"lng" : 9.6867213
}
},
"location" : {
"lat" : 43.7710513,
"lng" : 11.2486208
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 44.4726899,
"lng" : 12.3713555
},
"southwest" : {
"lat" : 42.23844280000001,
"lng" : 9.6867213
}
}
},
"place_id" : "ChIJezSAEFMr1BIRq1kgW7rDxro",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"address_components" : [
{
"long_name" : "Italia",
"short_name" : "IT",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "Italia",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 47.092,
"lng" : 18.5205015
},
"southwest" : {
"lat" : 35.4929201,
"lng" : 6.6267201
}
},
"location" : {
"lat" : 41.87194,
"lng" : 12.56738
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 47.092,
"lng" : 18.5205015
},
"southwest" : {
"lat" : 35.4929201,
"lng" : 6.6267201
}
}
},
"place_id" : "ChIJA9KNRIL-1BIRb15jJFz1LOI",
"types" : [ "country", "political" ]
}
],
"status" : "OK"
}
我遇到了JSON问题。我想提取＆＃34; formatted_address＆＃34; （在这种情况下：＆＃34; Via Bartolomeo Scala，45-47,50126 Firenze，Italia＆＃34;）。
我试过了：
Debug.Log(jsonReturn["results"]["formatted_address"].Value);
但这不起作用。什么是正确的代码？
1 个答案:
答案 0 :(得分：0)
我注意到你的结果是一个数组。您需要访问该数组的第一个元素：
jsonReturn["results"][0]["formatted_address"].Value
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