鍦↗ava涓紝鍙互浣跨敤绗笁鏂瑰簱濡侸ackson銆丟son绛夋潵鎿嶄綔JSON鏍煎紡鏁版嵁绫诲瀷銆?/p>

浣跨敤Jackson搴擄紝鍙互鍏堝垱寤轰竴涓狫ava绫绘潵琛ㄧずJSON鏁版嵁鐨勭粨鏋勶紝鐒跺悗浣跨敤Jackson鎻愪緵鐨勬敞瑙ｆ潵鎸囧畾灞炴€у拰瀛楁涓嶫SON閿殑鏄犲皠鍏崇郴銆備緥濡傦細

import com.fasterxml.jackson.annotation.*;
public class User {
@JsonProperty("name")
private String name;
@JsonProperty("age")
private int age;
// getter鍜宻etter鏂规硶
// 鏋勯€犳柟娉?/span>
}

鐒跺悗锛屽彲浠ヤ娇鐢↗ackson搴撴潵灏咼ava瀵硅薄杞崲涓篔SON鏍煎紡鐨勫瓧绗︿覆锛屾垨灏咼SON鏍煎紡鐨勫瓧绗︿覆杞崲涓篔ava瀵硅薄銆備緥濡傦細

import com.fasterxml.jackson.databind.ObjectMapper;
public class Main {
public static void main(String[] args) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
// 灏咼ava瀵硅薄杞崲涓篔SON瀛楃涓?/span>
User user = new User("John", 25);
String json = objectMapper.writeValueAsString(user);
System.out.println(json);
// 灏咼SON瀛楃涓茶浆鎹负Java瀵硅薄
User user = objectMapper.readValue(json, User.class);
System.out.println(user.getName());
System.out.println(user.getAge());
}
}

浣跨敤Gson搴擄紝鍙互鍒涘缓涓€涓狫ava绫绘潵琛ㄧずJSON鏁版嵁鐨勭粨鏋勶紝鐒跺悗浣跨敤Gson鎻愪緵鐨勬柟娉曟潵灏咼ava瀵硅薄杞崲涓篔SON鏍煎紡鐨勫瓧绗︿覆锛屾垨灏咼SON鏍煎紡鐨勫瓧绗︿覆杞崲涓篔ava瀵硅薄銆備緥濡傦細

import com.google.gson.Gson;
public class User {
private String name;
private int age;
// getter鍜宻etter鏂规硶
// 鏋勯€犳柟娉?/span>
}
public class Main {
public static void main(String[] args) throws Exception {
Gson gson = new Gson();
// 灏咼ava瀵硅薄杞崲涓篔SON瀛楃涓?/span>
User user = new User("John", 25);
String json = gson.toJson(user);
System.out.println(json);
// 灏咼SON瀛楃涓茶浆鎹负Java瀵硅薄
User user = gson.fromJson(json, User.class);
System.out.println(user.getName());
System.out.println(user.getAge());
}
}

浠ヤ笂鏄娇鐢↗ackson鍜孏son杩欎袱涓父鐢ㄧ殑JSON澶勭悊搴撴潵鎿嶄綔JSON鏍煎紡鏁版嵁绫诲瀷鐨勭ず渚嬨€傛敞鎰忥紝闇€瑕佸湪椤圭洰涓紩鍏ョ浉搴旂殑搴撴墠鑳戒娇鐢ㄥ畠浠彁渚涚殑鍔熻兘銆?/p>