短信发送

public String sendHttpMessage(String urlStr) {
		  URL url = null;
		  HttpURLConnection httpurlconnection = null;
		  try {
			  url = new URL(urlStr);
			  // 以post方式请求
			  httpurlconnection = (HttpURLConnection) url.openConnection();
			  httpurlconnection.setDoOutput(true);
			  httpurlconnection.setRequestMethod("POST");
			  httpurlconnection.getOutputStream().flush();
			  httpurlconnection.getOutputStream().close();
			
			  // 获取页面内容
			  java.io.InputStream in = httpurlconnection.getInputStream();
			  java.io.BufferedReader breader = new BufferedReader(new InputStreamReader(in, "utf-8"));
			  StringBuffer result = new StringBuffer();
			  String str = breader.readLine();
			  while (str != null) {
				result.append(str);
				str = breader.readLine();
			  }
			  return result.toString();
		  } catch (Exception e) {
			  e.printStackTrace();
		  } finally {
			  if (httpurlconnection != null)
				  httpurlconnection.disconnect();
		  }
		  return null;
	  }