引入依赖

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.47</version>
</dependency>

//将json字符串解析成JSONObject对象
JSONObject responseDataObject=JSONObject.parseObject(response.getData());
//获取JSONObject对象中Message字段中的信息
String responseMessage = responseDataObject.getString("Message");