package main; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.net.URI; import java.net.URISyntaxException; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.ParseException; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; public class Main { private static HttpClient hc = new DefaultHttpClient(); /** * @param args */ public static void main(String[] args) { List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("email", "xxx@gmail.com")); params.add(new BasicNameValuePair("pwd", "xxx")); params.add(new BasicNameValuePair("save_login", "1")); String url = "http://www.oschina.net/action/user/login"; String body = post(url, params); System.out.println(body); } /** * Get请求 * @param url * @param params * @return */ public static String get(String url, List<NameValuePair> params) { String body = null; try { // Get请求 HttpGet httpget = new HttpGet(url); // 设置参数 String str = EntityUtils.toString(new UrlEncodedFormEntity(params)); httpget.setURI(new URI(httpget.getURI().toString() + "?" + str)); // 发送请求 HttpResponse httpresponse = hc.execute(httpget); // 获取返回数据 HttpEntity entity = httpresponse.getEntity(); body = EntityUtils.toString(entity); if (entity != null) { entity.consumeContent(); } } catch (ParseException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (URISyntaxException e) { e.printStackTrace(); } return body; } /** * // Post请求 * @param url * @param params * @return */ public static String post(String url, List<NameValuePair> params) { String body = null; try { // Post请求 HttpPost httppost = new HttpPost(url); // 设置参数 httppost.setEntity(new UrlEncodedFormEntity(params)); // 发送请求 HttpResponse httpresponse = hc.execute(httppost); // 获取返回数据 HttpEntity entity = httpresponse.getEntity(); body = EntityUtils.toString(entity); if (entity != null) { entity.consumeContent(); } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return body; } }