//字符串转Map JSONObject ob = JSONObject.parseObject(str); //当为Map列表时 //JSONArray ob = JSONArray.parseArray(returnJson); Map<String,Object> map = ob.toJavaObject(Map.class); //Map转json格式字符串 String resultStr = new ObjectMapper().writeValueAsString(map);
原文：https://www.cnblogs.com/lansetuerqi/p/14879203.html