httpcilent实例

httpclient主要用到get与post方式：
get:

		DefaultHttpClient httpClient = new DefaultHttpClient();
		HttpGet httpGet = new HttpGet("http://........");
		HttpResponse response = httpClient.execute(httpGet);
		HttpEntity entity = response.getEntity();
		System.out.println(entity.getContentType().toString());
		BufferedReader br = new BufferedReader(new InputStreamReader(entity.getContent()));
		String s = "";
		while((s=br.readLine())!=null){
			System.out.println(s.toString());
		}

post:

DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://www.renren.com/pLogin.do");
		 List<NameValuePair> nvps = new ArrayList<NameValuePair>();
		 nvps.add(new BasicNameValuePair("email",""));
		 nvps.add(new BasicNameValuePair("password",""));
		 httppost.setEntity(new UrlEncodedFormEntity(nvps,"utf-8"));
		 HttpResponse response = httpClient.execute(httppost);
		 HttpEntity entity = response.getEntity();
		System.out.println(entity.getContentType().toString());
		BufferedReader br = new BufferedReader(new InputStreamReader(entity.getContent(),"utf-8"));
		String s = "";
		while((s=br.readLine())!=null){
			System.out.println(s.toString());
		}