获取前台传递信息

/**
     *  获取前台向URL传递的数据
     */
    // FIXME TODO XXX 获取前台传递的json字符串
    public void getJSONParam(HttpServletRequest request){
        JSONObject jsonParam = null;
        try {
            // 获取输入流
            BufferedReader streamReader = new BufferedReader(new InputStreamReader(request.getInputStream(), "UTF-8"));

            // 写入数据到Stringbuilder
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = streamReader.readLine()) != null) {
                sb.append(line);
            }
            // 直接将json信息打印出来
            System.out.println(sb.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }