WeatherApp.java
· 1.3 KiB · Java
原始檔案
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
// go to https://openweathermap.org to see
public class WeatherApp {
public static void main(String[] args) {
String apiKey = "YOUR_API_KEY"; // Replace with your OpenWeatherMap API key
String city = "New York"; // Replace with the desired city
try {
String apiUrl = "http://api.openweathermap.org/data/2.5/weather?q=" + city + "&appid=" + apiKey;
URL url = new URL(apiUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuilder response = new StringBuilder();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
// Parse and display the weather information
String weatherData = response.toString();
System.out.println("Weather Data:");
System.out.println(weatherData);
} catch (IOException e) {
e.printStackTrace();
}
}
}
| 1 | import java.io.BufferedReader; |
| 2 | import java.io.IOException; |
| 3 | import java.io.InputStreamReader; |
| 4 | import java.net.HttpURLConnection; |
| 5 | import java.net.URL; |
| 6 | |
| 7 | // go to https://openweathermap.org to see |
| 8 | |
| 9 | |
| 10 | public class WeatherApp { |
| 11 | |
| 12 | public static void main(String[] args) { |
| 13 | String apiKey = "YOUR_API_KEY"; // Replace with your OpenWeatherMap API key |
| 14 | String city = "New York"; // Replace with the desired city |
| 15 | |
| 16 | try { |
| 17 | String apiUrl = "http://api.openweathermap.org/data/2.5/weather?q=" + city + "&appid=" + apiKey; |
| 18 | URL url = new URL(apiUrl); |
| 19 | |
| 20 | HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
| 21 | connection.setRequestMethod("GET"); |
| 22 | |
| 23 | BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream())); |
| 24 | String line; |
| 25 | StringBuilder response = new StringBuilder(); |
| 26 | |
| 27 | while ((line = reader.readLine()) != null) { |
| 28 | response.append(line); |
| 29 | } |
| 30 | reader.close(); |
| 31 | |
| 32 | // Parse and display the weather information |
| 33 | String weatherData = response.toString(); |
| 34 | System.out.println("Weather Data:"); |
| 35 | System.out.println(weatherData); |
| 36 | |
| 37 | } catch (IOException e) { |
| 38 | e.printStackTrace(); |
| 39 | } |
| 40 | } |
| 41 | } |
| 42 |