/**
 * 传入参数JSON格式校验与转换
 * param data 传入JSON格式实字符串
 * return Map<String,Object> 返回JSON转换成Map数据
 */
public static Map<String, Object> checkJSONData(String data) {
    if(data == null || "".equals(data.trim())) {
        System.out.println("传入的参数data不能为空.");
    }
    if("null".equals(data.trim())) {
        System.out.println("null字符串不是JSON格式.");
    }
    Map<String, Object> dataMap = new HashMap<String,Object>();
    try
    {
        dataMap = JSONObject.parseObject(data.trim());
    }
    catch(Exception e)
    {
        System.out.println("解析参数出错,请检查传入参数JSON格式是否正确.");
    }
    return dataMap;
}

ObjectMapper objectMapper = new ObjectMapper();
Apdu134 apdu134 = objectMapper.readValue(messageStr,Apdu134.class);
//Apdu134为实体类.讲字符转转为实体类