开放代码_开放接口示例代码

1. 使用Python的requests库调用RESTful API

import requests
def get_data_from_api(url, params=None):
    try:
        response = requests.get(url, params=params)
        response.raise_for_status()
        return response.json()
    except requests.exceptions.HTTPError as errh:
        print("HTTP Error:", errh)
    except requests.exceptions.ConnectionError as errc:
        print("Error Connecting:", errc)
    except requests.exceptions.Timeout as errt:
        print("Timeout Error:", errt)
    except requests.exceptions.RequestException as err:
        print("Something went wrong:", err)
if __name__ == "__main__":
    url = "https://api.example.com/data"
    params = {"key": "value"}
    data = get_data_from_api(url, params)
    print(data)

2. 使用Java调用RESTful API

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class ApiExample {
    public static void main(String[] args) {
        try {
            String url = "https://api.example.com/data";
            URL obj = new URL(url);
            HttpURLConnection con = (HttpURLConnection) obj.openConnection();
            con.setRequestMethod("GET");
            int responseCode = con.getResponseCode();
            System.out.println("Response Code: " + responseCode);
            BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String inputLine;
            StringBuffer response = new StringBuffer();
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
            System.out.println(response.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

3. 使用JavaScript调用RESTful API

async function fetchDataFromApi(url, params) {
    try {
        const response = await fetch(url, {
            method: 'GET',
            headers: {
                'ContentType': 'application/json'
            },
            params: params
        });
        if (!response.ok) {
            throw new Error(HTTP error! status: ${response.status});
        }
        const data = await response.json();
        console.log(data);
    } catch (error) {
        console.error('Error fetching data from API:', error);
    }
}
const url = 'https://api.example.com/data';
const params = { key: 'value' };
fetchDataFromApi(url, params);