response.setHeader( "Content-type", "text/html;charset=UTF-8" );

      out = response.getWriter();

      InputStream in = request.getInputStream();

      BufferedReader br = new BufferedReader( new InputStreamReader( in, "UTF-8" ) );

      StringBuffer result = new StringBuffer();

      String line = "";

      long courseId = ParamUtils.getLongParameter( request, "courseId", 0 );

      while ( ( line = br.readLine() ) != null )

      {

        result.append(line);

      }

      Map<String, String> map = WXPayUtil.xmlToMap( result.toString() );