SpringBoot中时间类型 序列化、反序列化、格式处理示例代码

spring: 
 jackson:
  time-zone: GMT+8
  date-format: yyyy-MM-dd HH:mm:ss #配置POST请求Body中Date时间类型序列化格式处理，并返回

/**
 * 时间Date转换
 * 配置GET请求，Query查询Date时间类型参数转换
 */
@Component
public class DateConverter implements Converter<String, Date> {
 @Override
 public Date convert(String source) {
  if (StringUtils.isBlank(source)) {
   return null;
  }
  if (source.matches("^\\d{4}-\\d{1,2}-\\d{1,2}$")) {
   return parseDate(source.trim(), "yyyy-MM-dd");
  }
  if (source.matches("^\\d{4}-\\d{1,2}-\\d{1,2} {1}\\d{1,2}:\\d{1,2}:\\d{1,2}$")) {
   return parseDate(source.trim(), "yyyy-MM-dd HH:mm:ss");
  }
  throw new IllegalArgumentException("Invalid value '" + source + "'");
 }

 public Date parseDate(String dateStr, String format) {
  Date date = null;
  try {
   date = new SimpleDateFormat(format).parse(dateStr);
  } catch (ParseException e) {
   log.warn("转换{}为日期(pattern={})错误！", dateStr, format);
  }
  return date;
 }
}

/**
 * 序列化,反序列化,格式处理
 *
 * @author zc
 * @date 2020/7/9 01:42
 */
@Slf4j
@Configuration
public class JacksonCustomizerConfig {

  @Value("${spring.jackson.date-format:yyyy-MM-dd HH:mm:ss}")
  private String localDateTimePattern;

  @Value("${spring.jackson.local-date-format:yyyy-MM-dd}")
  private String localDatePattern;

  @Value("${spring.jackson.local-time-format:HH:mm:ss}")
  private String localTimePattern;

  @Bean
  public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
    return builder -> {
      builder.serializerByType(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(localDateTimePattern)));
      builder.serializerByType(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(localDatePattern)));
      builder.serializerByType(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(localTimePattern)));
      builder.deserializerByType(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(localDateTimePattern)));
      builder.deserializerByType(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(localDatePattern)));
      builder.deserializerByType(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(localTimePattern)));
    };
  }
 
 	/**
   * 时间LocalDateTime转换
   */
  @Component
  public static class LocalDateTimeConverter implements Converter<String, LocalDateTime> {
    @Override
    public LocalDateTime convert(String source) {
      if (StringUtils.isBlank(source)) {
        return null;
      }
      if (source.matches("^\\d{4}-\\d{1,2}-\\d{1,2} {1}\\d{1,2}:\\d{1,2}:\\d{1,2}$")) {
        return LocalDateTime.parse(source, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
      }
      throw new IllegalArgumentException("Invalid value '" + source + "'");
    }
  }

  /**
   * 时间LocalDate转换
   */
  @Component
  public static class LocalDateConverter implements Converter<String, LocalDate> {
    @Override
    public LocalDate convert(String source) {
      if (StringUtils.isBlank(source)) {
        return null;
      }
      if (source.matches("^\\d{4}-\\d{1,2}-\\d{1,2}$")) {
        return LocalDate.parse(source, DateTimeFormatter.ofPattern("yyyy-MM-dd"));
      }
      throw new IllegalArgumentException("Invalid value '" + source + "'");
    }
  }
 
}