httpclient基本get用法

最新推荐文章于 2024-07-23 15:25:35 发布

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本文展示了一个使用Java的HttpClient库进行GET请求的示例代码。通过创建CloseableHttpClient实例，构建URI并添加参数，执行HttpGet请求，获取响应状态码及内容。

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public class HttpClientDemo {
    public void doGet() throws URISyntaxException, IOException {
    String url = "http://192.....";
    //创建client
        CloseableHttpClient client = HttpClients.createDefault();
        //创建一个uri对象
        URIBuilder uriBuilder = new URIBuilder(url);
        uriBuilder.addParameter("account","123");
        uriBuilder.addParameter("password","123");
        //get方法
        HttpGet httpGet = new HttpGet(uriBuilder.build());
        //执行请求
        CloseableHttpResponse response = client.execute(httpGet);
        //获取打印结果
            //查看状态码
        int statusCode = response.getStatusLine().getStatusCode();
        System.out.println(statusCode);
        //打印内容
            //获取响应实体
        HttpEntity entity = response.getEntity();
        String str = EntityUtils.toString(entity, "utf-8");
        System.out.println(str);
        response.close();
        client.close();
    }