public class TestHttpClient {public static void main(String[] args) {// 请求接口地址String url = "";// 请求参数String userid = "";HttpClient httpclient = null;PostMethod post = null;try {//创建连接httpclient = new HttpClient();post = new PostMethod(url);// 设置编码方式post.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");// 添加参数post.addParameter("userid", userid);// 执行请求httpclient.executeMethod(post);// 接口返回信息String info = new String(post.getResponseBody(), "UTF-8");System.out.println(info);} catch (Exception e) {e.printStackTrace();} finally {// 关闭连接，释放资源post.releaseConnection();((SimpleHttpConnectionManager) httpclient.getHttpConnectionManager()).shutdown();}}
}