获取http-post请求的原生报文

            BufferedReader br = new BufferedReader(new InputStreamReader(request.getInputStream(), "utf-8"));

            StringBuffer sb = new StringBuffer("");

            String temp;

            while ((temp = br.readLine()) != null) {

                sb.append(temp);

            }

            br.close();

　　　　　　　Pojo dto = gson.fromJson(params, Pojo.class);