String json = gson.toJson(createArticle()); System.out.println("toJson: "+json); // JSON --> Java Article article = gson.fromJson(json, Article.class); System.out.println("fromJson: "+article); } private static Article createArticle(){ Article article = new Article(); article.setTi...
I have an object MobilePhone with fields (String brand and name, int ram and rom) that I want to convert to a Json string. I try doing so like this public static void main(String[] args) { MobilePhone mp = new MobilePhone(); mp.setBrand("iPhone"); mp.setName("X"); ...
Gson is a Java library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to an equivalent Java object. Gson can work with arbitrary Java objects including pre-existing objects that you do not have source-code of. ...
* Convert java object to json, skip specific fileds. */ publicclassGsonTest { publicstaticvoidmain(String[] args) { People p =newPeople(); p.setAge(20); p.setName("People"); p.setSetName(true); ExclusionStrategy excludeStrategy =newSetterExclusionStrategy(); Gson gson1 =newGsonBuilder...
* @return String:Json格式的字符串 */ public static String convertObject2Json(Object object) { gson=new Gson(); return gson.toJson(object); } /** *将Json转换成Java对象 * @param inputStream 要转换成Java对象的inputStream * @param javaBean List获取Map中所包括的javaBean ...
A Java serialization/deserialization library to convert Java Objects into JSON and back 文档: https://github.com/google/gson https://github.com/google/gson/blob/master/UserGuide.md 解析json为java对象 packagecom.example.demo; ...
Gson gson = new Gson(); User user = new User(); String json = gson.toJson(user);3.2. Convert JSON String to Java Object Similarly, to convert the JSON string to a Java object, use the fromJson() method.String json = ...; Gson gson = new Gson(); User user = gson.fromJson(...
/*** Converts Java objects to and from JSON.**/publicabstractclassTypeAdapter<T>{publicTypeAdapter(){}/*** Writes one JSON value (an array, object, string, number, boolean or null)* for {@code value}.** @param value the Java object to write. May be null.*/publicabstractvoidwrite(...
解析json为java对象 package com.example.demo;import com.google.gson.Gson;import java.util.HashMap;import java.util.Map;public class GsonDemo {public static void main(String[] args) {Gson gson = new Gson();String json = "{\"name\": \"Tom\", \"age\": 23}";Map<String, Object> map...
有时我们将对象转换成json格式的字符串时,并不希望里面所有的字段都转换,我们可能希望忽略某些.默认的gson是全部转换的,为此要给gson做一些配置.其实Gson的官方已经给出示例,如下:官方的示例说明