java 读取页面中ajax post 传来的参数

 //读取ajax  post参数public static Map<String, String> bufferdReader(HttpServletRequest request) throws IOException, JSONException{        String lsBuf = "";        BufferedReader loReader = request.getReader();        String lsLine;        while ((lsLine = loReader.readLine()) != null) {            lsBuf += lsLine + "\n";        }        Map<String, String> map = parseSingle(lsBuf);        return map;    }  // 解析单个元素 public static Map<String, String> parseSingle(String psJson) throws JSONException {        JSONObject loJson = new JSONObject(psJson);        Iterator<String> loIterator = loJson.keys();        Map<String, String> lmResult = new HashMap<String, String>();        while (loIterator.hasNext()) {            String lsKey = loIterator.next();            lmResult.put(lsKey, loJson.getString(lsKey));        }        return lmResult;    }