Question

如何实现servlet接收客户端发来的http请求并返回

Answer 1

在servlet中通过request获取请求参数，通过response.getWriter().write("返回信息")返回
楼主，有个东东叫httpclient，是apache的一个子项目,传送门：,下面是示例:
HttpClient client = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
List<NameValuePair> params = new ArrayList();
UrlEncodedFormEntity requestEntity;
requestEntity = new UrlEncodedFormEntity(params, "UTF-8");
(requestEntity);
HttpResponse response = client.execute(httppost);
HttpEntity responseEntity = response.getEntity();
if (responseEntity != null && response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){}
client.getConnectionManager().shutdown();