public static void main(String[] args) { Gson gson =new Gson(); //定义一个Person类 Person person=new Person("张三",18,null); //序列化,setDateFormat()只是为了展示固定日期格式而已 String GsonObject=new GsonBuilder().serializeNulls().setDateFormat("YYYY/MM/DD").create().toJson(person);...
String text = ResourceHelper.getResourceAsString(getClass(), path + "languageMap.json"); Map<Long, String> languageMap = JSON.parseObject(text, new TypeReference<Map<Long, String>>() {}); Whitebox.setInternalState(mobilePhoneService, "languageMap", languageMap); 其中,JSON资源文件languageMap....
将Java对象转换为JSON字符串最基本的方法就是使用ObjectMapper类的writeValueAsString方法。这个方法接收一个Java对象作为参数,返回一个JSON字符串。 例如: ObjectMapper mapper = new ObjectMapper(); User user = new User("Tom", 20); String json = mapper.writeValueAsString(user); 1. 2. 3. 上面的代码中...
public Map<string, object=""> testBytes2Map(byte[] bytes) { Map<string, object=""> result = null; try { result = gson.fromJson(new String(bytes, "UTF-8"), Map.class); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return result; } @Override public byte[] tes...
3.1 使用JSON进行序列化和反序列化示例 ```java import com.fasterxml.jackson.databind.ObjectMapper; public class JsonSerialization { public static void main(String[] args) throws Exception { ObjectMapper objectMapper = new ObjectMapper(); // Serialize Object to JSON ...
public static void main(String[] args) throws Exception { ObjectMapper objectMapper = new ObjectMapper(); // Serialize Object to JSON Object obj = new Object(); String jsonString = objectMapper.writeValueAsString(obj); System.out.println("Serialized JSON: " + jsonString); ...
文章目录 1、Java与前台的交互 2、解析JSON的第三方工具 3、JSON数据和Java对象的相互转换 Java对象转换JSON字符串 JSON字符串转为Java对象 1、Java与前台的交互作为后台...类里面只要有get和set方法,Gson完全可以实现复杂类型的json到bean或bean到json的转换,...
(1)JAVA对象序列化方法 /** * 将JAVA对象序列化为JSON字符串 */ public String serializeJson(Object obj) throws IOException { String _json = new Gson().toJson(obj); return
Serialize(message, MessagePack.Resolvers.ContractlessStandardResolver.Instance); var json= MessagePa...