您好,登錄后才能下訂單哦!
本篇內(nèi)容主要講解“SpringBoot-MVC RequestBody中LocalDateTime的自適應(yīng)配置方法”,感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷,實用性強。下面就讓小編來帶大家學習“SpringBoot-MVC RequestBody中LocalDateTime的自適應(yīng)配置方法”吧!
請求的json報文中可能會出現(xiàn) 一下幾種:
['2019-01-01','2019-01-01 12:03:34','20190101120334']
但是接收的Request實體類日期字段是LocalDateTime類型
LocalDateTime applyDate;
希望的情況是 :
輸入 yyyy-MM-dd HH:mm:ss 、yyyyMMddHHmmss等精確到秒的格式,可以自動被封裝LocalDateTime;
輸入 yyyy-MM-dd 、yyyyMMdd等精確到日的格式,也可以被封裝成LocalDateTime, HHmmss默認為000000;
默認情況下,是沒辦法 自動轉(zhuǎn)換的,需要在 ObjectMapper中配置,網(wǎng)上主流的配置如下
@Configuration @Slf4j public class MvcConfig implements WebMvcConfigurer { /** * 更改jackson默認配置 * @return */ @Bean @Primary public ObjectMapper objectMapper(Jackson2ObjectMapperBuilder builder){ //日期和時間格式化 JavaTimeModule javaTimeModule = new JavaTimeModule(); javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))); javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"))); javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd"))); javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern("HH:mm:ss"))); javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))); javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"))); javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd"))); javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern("HH:mm:ss"))); javaTimeModule.addDeserializer(LocalDateTime.class,new MyLocalDateTimeDeserializer()); objectMapper.registerModule(javaTimeModule); objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false); return objectMapper; } }
但實際效果是,上面第二種情況沒法生效。百度了很多也都是重復(fù)內(nèi)容,無效。google得一答案:
@Configuration @Slf4j public class MvcConfig implements WebMvcConfigurer { /** * 更改jackson默認配置 * @return */ @Bean @Primary public ObjectMapper objectMapper(Jackson2ObjectMapperBuilder builder){ ObjectMapper objectMapper = builder.json().build(); SimpleModule simpleModule = new SimpleModule(); simpleModule.addDeserializer(LocalDateTime.class,new MyLocalDateTimeDeserializer()); objectMapper.registerModule(simpleModule); //忽視請求報文中未匹配到的字段(多余的字段) objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false); return objectMapper; } }
需要自定義反序列化類
MyLocalDateTimeDeserializer
public class MyLocalDateTimeDeserializer extends JsonDeserializer<LocalDateTime> { @Override public LocalDateTime deserialize(JsonParser parser, DeserializationContext context) throws IOException { String dateStr = parser.getText(); DateTime dateTime = null; try{ dateTime = DateUtil.parse(dateStr); }catch (Exception e){ dateTime = DateUtil.parseDateTime(dateStr.replaceAll("T"," ")); } Date date = dateTime.toJdkDate(); Instant instant = date.toInstant(); ZoneId zoneId = ZoneId.systemDefault(); LocalDateTime localDateTime = instant.atZone(zoneId).toLocalDateTime(); return localDateTime; } @Override public Class<?> handledType() { return LocalDateTime.class; } }
deserialize方法的邏輯就靠自己實現(xiàn)了,我這邊是借助了hutool工具類進行了簡化。
到此,相信大家對“SpringBoot-MVC RequestBody中LocalDateTime的自適應(yīng)配置方法”有了更深的了解,不妨來實際操作一番吧!這里是億速云網(wǎng)站,更多相關(guān)內(nèi)容可以進入相關(guān)頻道進行查詢,關(guān)注我們,繼續(xù)學習!
免責聲明:本站發(fā)布的內(nèi)容(圖片、視頻和文字)以原創(chuàng)、轉(zhuǎn)載和分享為主,文章觀點不代表本網(wǎng)站立場,如果涉及侵權(quán)請聯(lián)系站長郵箱:is@yisu.com進行舉報,并提供相關(guān)證據(jù),一經(jīng)查實,將立刻刪除涉嫌侵權(quán)內(nèi)容。