package util; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Map.Entry; import org.apache.http.Consts; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; import org.springframework.util.CollectionUtils; public class HttpUtil { /** * 以请求体方式提交请求 * @param url * @param xml * @return */ public static String postUrl(String url,String xml){ DefaultHttpClient client = new DefaultHttpClient(); HttpPost httpost = new HttpPost(url); try { httpost.setEntity(new StringEntity(xml,"UTF-8")); HttpResponse response = client.execute(httpost); //HttpEntity httpEntity = response.getEntity(); String result = EntityUtils.toString(response.getEntity(),"UTF-8"); return result; } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return null; } /** *以form表单方式提交请求 * @param url * @param params */ public static final String postParamUrl(String url,Map<String,String> params){ DefaultHttpClient client = new DefaultHttpClient(); HttpPost httppost = new HttpPost(url); List<NameValuePair> formparams = new ArrayList<NameValuePair>(); UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams,Consts.UTF_8); httppost.setEntity(entity); System.out.println(httppost.getRequestLine()); if(!CollectionUtils.isEmpty(params)){ for(Iterator<Entry<String,String>> it = params.entrySet().iterator();it.hasNext();){ Entry<String,String> entry = it.next(); String key = entry.getKey(); String value = entry.getValue(); formparams.add(new BasicNameValuePair(key,value)); } } try { HttpResponse response = client.execute(httppost); String result = EntityUtils.toString(response.getEntity(),Consts.UTF_8); return result; } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return null; } }