content: package com.jeespring.modules.tools.utils;
  
  
  import java.io.IOException;
  import java.io.UnsupportedEncodingException;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  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.entity.UrlEncodedFormEntity;
  import org.apache.http.client.methods.HttpGet;
  import org.apache.http.client.methods.HttpPost;
  import org.apache.http.client.methods.HttpUriRequest;
  import org.apache.http.impl.client.DefaultHttpClient;
  import org.apache.http.message.BasicNameValuePair;
  import org.apache.http.protocol.HTTP;
  import org.apache.http.util.EntityUtils;
  import org.apache.log4j.Logger;
  
  
  public class HttpPostTest {
  	private static Logger log = Logger.getLogger(HttpPostTest.class);
  	Map<String, String> params;
  	String url;
  	public static String post(String url, Map<String, String> params) {
  		DefaultHttpClient httpclient = new DefaultHttpClient();
  		String body = null;
  		
  		log.info("create httppost:" + url);
  		HttpPost post = postForm(url, params);
  		
  		body = invoke(httpclient, post);
  		
  		httpclient.getConnectionManager().shutdown();
  		
  		return body;
  	}
  	
  	 public HttpPostTest(String url, 	Map<String, String> params){
  		this.url = url;
  		this.params = params;
  	}
  	public static String get(String url) {
  		DefaultHttpClient httpclient = new DefaultHttpClient();
  		String body = null;
  		
  		log.info("create httppost:" + url);
  		HttpGet get = new HttpGet(url);
  		body = invoke(httpclient, get);
  		
  		httpclient.getConnectionManager().shutdown();
  		
  		return body;
  	}
  		
  	
  	private static String invoke(DefaultHttpClient httpclient,
  			HttpUriRequest httpost) {
  		
  		HttpResponse response = sendRequest(httpclient, httpost);
  		String body = paseResponse(response);
  		
  		return body;
  	}
  
  	private static String paseResponse(HttpResponse response) {
  		log.info("get response from http server..");
  		HttpEntity entity = response.getEntity();
  		
  		log.info("response status: " + response.getStatusLine());
  		String charset = EntityUtils.getContentCharSet(entity);
  		log.info(charset);
  		
  		String body = null;
  		try {
  			body = EntityUtils.toString(entity);
  			log.info(body);
  		} catch (ParseException e) {
  			e.printStackTrace();
  		} catch (IOException e) {
  			e.printStackTrace();
  		}
  		
  		return body;
  	}
  
  	private static HttpResponse sendRequest(DefaultHttpClient httpclient,
  			HttpUriRequest httpost) {
  		log.info("execute post...");
  		HttpResponse response = null;
  		
  		try {
  			response = httpclient.execute(httpost);
  		} catch (ClientProtocolException e) {
  			e.printStackTrace();
  		} catch (IOException e) {
  			e.printStackTrace();
  		}
  		return response;
  	}
  
  	private static HttpPost postForm(String url, Map<String, String> params){
  		
  		HttpPost httpost = new HttpPost(url);
  		List<NameValuePair> nvps = new ArrayList <NameValuePair>();
  		
  		Set<String> keySet = params.keySet();
  		for(String key : keySet) {
  			nvps.add(new BasicNameValuePair(key, params.get(key)));
  		}
  		
  		try {
  			log.info("set utf-8 form entity to httppost");
  			httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
  		} catch (UnsupportedEncodingException e) {
  			e.printStackTrace();
  		}
  		
  		return httpost;
  	}
  
  	public static void main(String []agrs){
  		Map<String, String> params = new HashMap<String, String>();
  		params.put("name", "HuangBingGui");
  		params.put("password", "admin");
  		String xml = HttpPostTest.post("http://localhost:8080/HeartCare/a/login", params);
  	}
  	
  	public  String post(){
  
  //		Map<String, String> params = new HashMap<String, String>();
  //		params.put("name", "HuangBingGui");
  //		params.put("password", "admin");
  			
  		String xml = HttpPostTest.post(url, params);
  	  return xml;
  	}
  }
  