我正在尝试为openweathermap API解析当前api。我对如何获取当前数据和预测信息感到非常困惑。这是我得到的json：
"cod":"200",
"message":0.0074,
"cnt":39,
"list":[
{
"dt":1534215600,
"main":{
"temp":293.24,
"temp_min":292.346,
"temp_max":293.24,
"pressure":1021.77,
"sea_level":1028.21,
"grnd_level":1021.77,
"humidity":100,
"temp_kf":0.89
},
"weather":[
{
"id":500,
"main":"Rain",
"description":"light rain",
"icon":"10n"
}
],
"clouds":{
"all":20
},
"wind":{
"speed":2.51,
"deg":275.001
},
"rain":{
"3h":0.0050000000000008
},
"sys":{
"pod":"n"
},
"dt_txt":"2018-08-14 03:00:00"
},
{
"dt":1534226400,
"main":{
"temp":292.3,
"temp_min":291.706,
"temp_max":292.3,
"pressure":1020.99,
"sea_level":1027.42,
"grnd_level":1020.99,
"humidity":100,
"temp_kf":0.6
},
"weather":[
{
"id":800,
"main":"Clear",
"description":"clear sky",
"icon":"01n"
}
],
"clouds":{
"all":0
},
"wind":{
"speed":2.52,
"deg":294.505
},
"rain":{
},
"sys":{
"pod":"n"
},
"dt_txt":"2018-08-14 06:00:00"
},
{
"dt":1534237200,
"main":{
"temp":291.07,
"temp_min":290.77,
"temp_max":291.07,
"pressure":1020.65,
"sea_level":1027.03,
"grnd_level":1020.65,
"humidity":100,
"temp_kf":0.3
},
"weather":[
{
"id":800,
"main":"Clear",
"description":"clear sky",
"icon":"01n"
}
],
"clouds":{
"all":0
},
"wind":{
"speed":1.31,
"deg":225.5
},
"rain":{
},
"sys":{
"pod":"n"
},
"dt_txt":"2018-08-14 09:00:00"
},
{
"dt":1534248000,
"main":{
"temp":293.286,
"temp_min":293.286,
"temp_max":293.286,
"pressure":1020.78,
"sea_level":1027.17,
"grnd_level":1020.78,
"humidity":100,
"temp_kf":0
},
"weather":[
{
"id":800,
"main":"Clear",
"description":"clear sky",
"icon":"02d"
}
],
"clouds":{
"all":8
},
"wind":{
"speed":2.83,
"deg":234.501
},
"rain":{
},
"sys":{
"pod":"d"
},
"dt_txt":"2018-08-14 12:00:00"
},
{
"dt":1534258800,
"main":{
"temp":298.671,
"temp_min":298.671,
"temp_max":298.671,
"pressure":1020.76,
"sea_level":1027.15,
"grnd_level":1020.76,
"humidity":92,
"temp_kf":0
},
"weather":[
{
"id":800,
"main":"Clear",
"description":"clear sky",
"icon":"01d"
}
],
"clouds":{
"all":0
},
"wind":{
"speed":2.71,
"deg":259.5
},
"rain":{
},
"sys":{
"pod":"d"
},
"dt_txt":"2018-08-14 15:00:00"
},
{
"dt":1534269600,
"main":{
"temp":300.7,
"temp_min":300.7,
"temp_max":300.7,
"pressure":1019.76,
"sea_level":1026.18,
"grnd_level":1019.76,
"humidity":83,
"temp_kf":0
},
"weather":[
{
"id":500,
"main":"Rain",
"description":"light rain",
"icon":"10d"
}
],
"clouds":{
"all":24
},
"wind":{
"speed":3.66,
"deg":285.503
},
"rain":{
"3h":1.11
},
"sys":{
"pod":"d"
},
"dt_txt":"2018-08-14 18:00:00"
},
{
"dt":1534280400,
"main":{
"temp":298.464,
"temp_min":298.464,
"temp_max":298.464,
"pressure":1019.68,
"sea_level":1025.97,
"grnd_level":1019.68,
"humidity":83,
"temp_kf":0
},
"weather":[
{
"id":500,
"main":"Rain",
"description":"light rain",
"icon":"10d"
}
],
"clouds":{
"all":48
},
"wind":{
"speed":3.27,
"deg":289.504
},
"rain":{
"3h":1.61
},
"sys":{
"pod":"d"
},
"dt_txt":"2018-08-14 21:00:00"
},
{
"dt":1534291200,
"main":{
"temp":297.882,
"temp_min":297.882,
"temp_max":297.882,
"pressure":1020,
"sea_level":1026.37,
"grnd_level":1020,
"humidity":82,
"temp_kf":0
},
"weather":[
{
"id":500,
"main":"Rain",
"description":"light rain",
"icon":"10n"
}
],
"clouds":{
"all":36
},
"wind":{
"speed":2.37,
"deg":275.004
},
"rain":{
"3h":0.13
},
"sys":{
"pod":"n"
},
"dt_txt":"2018-08-15 00:00:00"
},
{
"dt":1534302000,
"main":{
"temp":295.242,
"temp_min":295.242,
"temp_max":295.242,
"pressure":1021.11,
"sea_level":1027.53,
"grnd_level":1021.11,
"humidity":94,
"temp_kf":0
},
"weather":[
{
"id":802,
"main":"Clouds",
"description":"scattered clouds",
"icon":"03n"
}
],
"clouds":{
"all":32
},
"wind":{
"speed":1.26,
"deg":313.002
},
"rain":{
},
"sys":{
"pod":"n"
},
"dt_txt":"2018-08-15 03:00:00"
},
{
"dt":1534312800,
"main":{
"temp":294.05,
"temp_min":294.05,
"temp_max":294.05,
"pressure":1021.27,
"sea_level":1027.77,
"grnd_level":1021.27,
"humidity":100,
"temp_kf":0
},
"weather":[
{
"id":800,
"main":"Clear",
"description":"clear sky",
"icon":"01n"
}
],
"clouds":{
"all":0
},
"wind":{
"speed":2.46,
"deg":274.504
},
"rain":{
},
"sys":{
"pod":"n"
},
"dt_txt":"2018-08-15 06:00:00"
},
{
"dt":1534323600,
"main":{
"temp":293.495,
"temp_min":293.495,
"temp_max":293.495,
"pressure":1021.36,
"sea_level":1027.7,
"grnd_level":1021.36,
"humidity":100,
"temp_kf":0
},
"weather":[
{
"id":800,
"main":"Clear",
"description":"clear sky",
"icon":"01n"
}
],
"clouds":{
"all":0
},
"wind":{
"speed":3.01,
"deg":277.505
},
"rain":{
},
"sys":{
"pod":"n"
},
"dt_txt":"2018-08-15 09:00:00"
],
"city":{
"id":4347778,
"name":"Baltimore",
"coord":{
"lat":39.2909,
"lon":-76.6108
},
"country":"US",
"population":620961
} }
这是我尝试的JSON。我只是尝试提取：temp，min_temp，max_temp，天气主，描述和图标。 这是我尝试的JSON解析：
protected Weather[] doInBackground(String... params) {
httpURL += "&q=" + cityName + apiKey;
try {
URL url = new URL(httpURL);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
InputStreamReader inputStreamReader = new InputStreamReader(urlConnection.getInputStream());
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String inputLine;
StringBuilder data = new StringBuilder();
while ((inputLine = bufferedReader.readLine()) != null) {
data.append(inputLine).append("\n");
}
bufferedReader.close();
inputStreamReader.close();
urlConnection.disconnect();
Log.d("HTTP REQUEST", "SUCCESSFULLY COMMUNICATED WITH SERVER");
return getResult(data.toString());
} catch (Exception e) {
Log.d("HTTP REQUEST", "FAILED TO RETRIEVE DATA FROM OPEN WEATHER");
e.printStackTrace();
return null;
}
}
protected void onPostExecute(Weather result[]) {
}
public Weather[] getResult(String dataJSON) {
if (dataJSON != null) {
Log.d("HTTP REQUEST", dataJSON);
Log.d("HTTP REQUEST", "SUCCESSFULLY RETRIEVED DATA FROM OPEN WEATHER ");
try {
JSONArray jsonRootArray = new JSONObject(dataJSON).getJSONArray("list");
JSONObject jsonObject;
JSONObject jsonObjectMain;
JSONObject jsonObjectWeather;
JSONObject jsonObjectTimeStamp;
JSONArray jsonArrayWeather;
Weather weatherData[] = new Weather[jsonRootArray.length()];
for (int i = 0; i < jsonRootArray.length(); i++) {
jsonObject = jsonRootArray.getJSONObject(i);
jsonObjectMain = jsonObject.getJSONObject("main");
String currentTemperature = jsonObjectMain.getString("temp");
Double currentMinTemp = jsonObjectMain.getDouble("temp_min");
Double currentMaxTemp = jsonObjectMain.getDouble("temp_max");
Double currentHumidity = jsonObjectMain.getDouble("humidity");
jsonObjectWeather = jsonObject.getJSONObject("weather");
String weatherDescription = jsonObjectWeather.getString("description");
String weatherIcon = jsonObjectWeather.getString("icon");
String weatherTimeStamp = jsonObject.getString("dt_txt");
}
Log.d("JSON PARSE", "SUCCESSFULLY PARSED JSON");
return weatherData;
} catch (Exception e) {
Log.d("JSON PARSE", "FAILED TO PARSE JSON");
e.printStackTrace();
return null;
}
} else {
Log.d("GET RESULT", "COULD NOT GET RESULT, VARIABLE IS <<NULL>>");
return null;
}
}
这是我的List类。
公共课天气{
private final String location;
private final String currentTime;
private final Double currentTemp;
private final Double maxTemp;
private final Double minTemp;
private final Double humidity;
private final String weatherDescription;
private final String weatherIcon;
private final String weatherTimeStamp;
public Weather(String defaultLocation, String defaultCurrentTime, Double defaultCurrentTemp,
Double defaultMaxTemp, Double defaultMinTemp, Double defaultHumidity,
String defaultWeatherDescription, String defaultWeatherIcon, String defaultWeatherTimeStamp) {
location = defaultLocation;
currentTime= defaultCurrentTime;
currentTemp = defaultCurrentTemp;
maxTemp = defaultMaxTemp;
minTemp = defaultMinTemp;
humidity = defaultHumidity;
weatherDescription = defaultWeatherDescription;
weatherIcon = defaultWeatherIcon;
weatherTimeStamp = defaultWeatherTimeStamp;
}
// Get default Location
public String getDefaultLocation() {
return location;
}
// Get default weatherCondition
public String getDefaultCurrentTime() {
return currentTime;
}
// Get default windSpeed
public Double getDefaultCurrentTemp() {
return currentTemp;
}
// Get default Humidity
public Double getDefaultMaxTemp(){ return maxTemp; }
// Get default Humidity
public Double getDefaultMinTemp(){ return minTemp; }
// Get default Humidity
public Double getDefaultHumidity(){ return humidity; }
// Get default Humidity
public String getDefaultDescription(){ return weatherDescription; }
public String getDefaultWeatherTimeStamp(){return weatherTimeStamp; }
我的json解析正确吗？我认为它是正确的，但我不确定。