public void SendMessageByPost() {
		CloseableHttpClient client=HttpClients.createDefault();
	
		
		HttpPost post =new HttpPost(url);
		List<NameValuePair>nvps=new ArrayList<NameValuePair>();
		nvps.add(new BasicNameValuePair("user", user));
		nvps.add(new BasicNameValuePair("key", key));
		nvps.add(new BasicNameValuePair("number", number));
		nvps.add(new BasicNameValuePair("text", text));
		try {
			post.setEntity(new UrlEncodedFormEntity(nvps,HTTP.UTF_8));
			HttpResponse response=client.execute(post);
			HttpEntity entity=response.getEntity();
			if(entity!=null){
				InputStream is=entity.getContent();
				BufferedReader in=new BufferedReader(new InputStreamReader(is));
				StringBuffer buffer=new StringBuffer();
				String line="";
				while((line=in.readLine())!=null)
					buffer.append(line+"\n");
				backContent=buffer.toString();
				System.out.println(buffer.toString());
			}
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ClientProtocolException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally{
			try {
				client.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	
	}