HTTP客户端调用天气预报

最新推荐文章于 2023-03-26 22:24:31 发布

原创最新推荐文章于 2023-03-26 22:24:31 发布 · 1.7k 阅读

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public String httpTest(){

    String url = "https://www.apiopen.top/weatherApi";
    CloseableHttpClient httpclient = HttpClients.createDefault();
    HttpPost httppost = new HttpPost(url);
    List<NameValuePair> formparams = new ArrayList<NameValuePair>();

    formparams.add(new BasicNameValuePair("city", "西安"));
    UrlEncodedFormEntity uefEntity;
    try {
        uefEntity = new UrlEncodedFormEntity(formparams, "UTF-8");
        httppost.setEntity(uefEntity);
        CloseableHttpResponse response = httpclient.execute(httppost);
        try {
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                // 调用接口返回的字符串
                String responseString = EntityUtils.toString(entity, "UTF-8");
                log.info(responseString);
            }
        } finally {
            response.close();
        }
    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e1) {
        e1.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        // 关闭连接,释放资源
        try {
            httpclient.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return null;
}