newTypeReference<List<LinkedHashMap<String,String>>>(){}; 把上面这个作为第二位参数传入, 即可获取到结构化后的实体,并且结构是指定的List<LinkedHashMap<String, String>> publicstatic<T> TjsonParseToObj(Stringcontent, TypeReference<T> valueTypeRef) {returnobjectMapper.readValue(content, valueTypeRef); ...
log.warn("Parse object to String error", e);returnnull; } }/*** Object转json字符串 将转换的json结果格式化 * *@paramobj *@param<T> *@return*/publicstatic<T>String obj2StringPretty(T obj) {if(obj ==null) {returnnull; }try{returnobjinstanceofString ?(String) obj : objectMapper.writ...
public static void conventJsonToObject(){ String json = "{\"name\":\"周润发\",\"age\":23,\"birthday\":560016000000,\"email\":\"zhourunfa@qq.com\"}"; ObjectMapper objectMapper = new ObjectMapper(); User user = null; try { user = objectMapper.readValue(json, User.class); } catch ...
@TestpublicvoidtransformString(){FastJsonPersonperson;person=newFastJsonPerson();person.setName("兵长");person.setAgexx(18);person.setOther("其他要被屏蔽");person.setCards(Arrays.asList(newCard("招商",newDate()),newCard("浦发",newDate()));StringpersonString=JSON.toJSONString(person);System....
通过read来parse json字符串为POJO对象: 代码语言:javascript 复制 User user=mapper.readValue(expected,User.class);Assert.assertEquals("Test",user.getName()); jsonArray转换成Array数组: 代码语言:javascript 复制 String expected="[{\"name\":\"Ryan\"},{\"name\":\"Test\"},{\"name\":\"Leslie\...
Json与Map对象互转 Json与对象在转换中遇到空属性 在JavaWeb开发中,经常会涉及到相关的json与对象的互相转化问题,下面我就将其转化的过程中可能遇到的情况一一写出。 添加依赖 jackson依赖 <!--jackson--> <dependency> <groupId>org.codehaus.jackson</groupId> ...
return mapper.readValue(jsonString, clazz); } catch (IOException e) { logger.warn("parse json string error:" + jsonString, e); return null; } } /** * 如果对象为Null,返回"null". * 如果集合为空集合,返回"[]". */ public String toJson(Object object) { ...
为json格式92String objectToJson=JsonUtils.objectToJson(student);93System.out.println("1、将实体类对象转换为json格式: "+objectToJson);9495students.add(student);96}9798// 2、将Json格式的数据转换为实体类99String jsonToPojo=JsonUtils.objectToJson(students);100System.out.println("2、将Json格式的...
(Date.class,new DateDeserializers.DateDeserializer(){@SneakyThrows@OverridepublicDatedeserialize(JsonParser jsonParser,DeserializationContext dc){String text=jsonParser.getText().trim();SimpleDateFormat sdf=newSimpleDateFormat("yyyy-MM-dd HH:mm:ss");returnsdf.parse(text);}});mapper.registerModule(...
text, Class<T> clazz);public static <T> T parseObject(String text, Class<T> clazz, Feature... features);public static <T> T parseObject(String text, TypeReference<T> type, Feature... features);public static JSONArray parseArray(String text);public static <T> List<T> parseArray(String ...