[开发测试]根据城市名获取天气

/**
 * 天气预报查询
 * @param cityName 市级别城市名称的拼音，如郑州市是 cityName = zhengzhou
 * @return
 */
@Override
public ResponseData<Map<String, Object>> getInformation(String cityName) {
    Map<String, Object> weaterData = new HashMap<>();
    HttpURLConnection connection = null;
    BufferedReader reader = null;
    String line = null;
    try {
        URL url = new URL("https://api.seniverse.com/v3/weather/now.json?key=SOPHrIST8uT3owo5o&location=" +
                cityName+"&language=zh-Hans&unit=c");
        connection = (HttpURLConnection) url.openConnection();// 根据URL生成HttpURLConnection
        connection.setRequestMethod("GET");// 默认GET请求
        connection.setRequestProperty("Accept", "application/json");
        connection.setRequestProperty("Content-Type", "application/json");
        connection.connect();// 建立TCP连接
        if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));// 发送http请求
            StringBuilder result = new StringBuilder();
            // 循环读取流
            while ((line = reader.readLine()) != null) {
                result.append(line).append(System.getProperty("line.separator"));// "\n"
            }
            result.toString();

            JSONArray temp = JSONArray.parseArray("["+result.toString()+"]");
            JSONObject obj = (JSONObject) temp.get(0);
            JSONArray temp2 = JSONArray.parseArray(obj.getString("results"));
            weaterData = (JSONObject) temp2.get(0);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            reader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        connection.disconnect();
    }
    return ResponseData.success(weaterData);
}