2. 转换Object为JSON 接下来,我们将使用Jackson库来将Person对象转换为JSON字符串。 importcom.fasterxml.jackson.core.JsonProcessingException;importcom.fasterxml.jackson.databind.ObjectMapper;publicclassMain{publicstaticvoidmain(String[]args){Personperson=newPerson("John Doe",30,false);ObjectMapperobjectMapper=new...
importcom.fasterxml.jackson.databind.ObjectMapper;publicclassJsonUtils{privatestaticfinalObjectMapperobjectMapper=newObjectMapper();publicstaticStringtoJson(Objectobject){try{returnobjectMapper.writeValueAsString(object);}catch(Exceptione){e.printStackTrace();}returnnull;}} 1. 2. 3. 4. 5. 6. 7. 8. 9...
importcom.google.gson.Gson;publicclassObjectToJsonDemo{publicstaticvoidmain(String[]args){// 创建对...
接下来,将使用ObjectMapper来解析JSON字符串为Map<String, Object>。 importcom.fasterxml.jackson.databind.ObjectMapper;publicclassJsonParserDemo{publicstaticvoidmain(String[] args){Stringjson="{\"tableConfig\": {\"toolbar\": {"operationButtons\": [{"isShow\": true}]}}}";try{ObjectMapperobjectMapper...
); // 将对象转换为 JSON 字符串 String json = gson.toJson(yourObject); System.o...
String json = mapper.writeValueAsString(ps); System.out.println(json); } @Test public void test4() throws IOException { Map<String,Object> map = new HashMap<String, Object>(); map.put("name","zmy"); map.put("age",15);
readValue(json, NationalPolicyResult.class); 186 } catch (Exception e) { 187 e.printStackTrace(); 188 } 189 return null; 190 } 191 192 /** 193 * Object是集合转化 194 * 195 * @param jsonData json数据 196 * @param clazz 集合中的类型 197 * @return 198 */ 199 public static ...
(algorithm).withIssuer("baidu").build();verifier.verify(token);returntrue;}catch(Exception e){e.printStackTrace();map.put("status",false);map.put("msg","认证失败");}//jackson 将map转换为jsonString json=newObjectMapper().writeValueAsString(map);response.getWriter().println(json);return...
3 JsonReader rdr = Json.createReader(is)) { 4 5 JsonObject obj = rdr.readObject(); 6 JsonArray results = obj.getJsonArray("data"); 7 for (JsonObject result : results.getValuesAs(JsonObject.class)) { 8 System.out.print(result.getJsonObject("from").getString("name")); ...
json-io preserves object references, handles polymorphic types, and maintains cyclic relationships in your data structures. Whether you're working with sophisticated domain models, dealing with legacy Java objects, or need high-performance JSON processing, json-io provides a robust solution with minimal...