| | |
| | | |
| | | import tools.jackson.core.JacksonException; |
| | | import tools.jackson.core.JsonParser; |
| | | import tools.jackson.core.JsonToken; |
| | | import tools.jackson.databind.DeserializationContext; |
| | | import tools.jackson.databind.ValueDeserializer; |
| | | |
| | | import java.time.Instant; |
| | | import java.time.LocalDateTime; |
| | | import java.time.ZoneId; |
| | | import java.time.format.DateTimeFormatter; |
| | | |
| | | /** |
| | | * 基于时间戳的 LocalDateTime 反序列化器 |
| | |
| | | |
| | | public static final TimestampLocalDateTimeDeserializer INSTANCE = new TimestampLocalDateTimeDeserializer(); |
| | | |
| | | private static final DateTimeFormatter DEFAULT_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"); |
| | | |
| | | @Override |
| | | public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws JacksonException { |
| | | // 将 Long 时间戳,转换为 LocalDateTime 对象 |
| | | // 数字类型:作为时间戳处理 |
| | | if (p.currentToken() == JsonToken.VALUE_NUMBER_INT) { |
| | | return LocalDateTime.ofInstant(Instant.ofEpochMilli(p.getValueAsLong()), ZoneId.systemDefault()); |
| | | } |
| | | // 字符串类型:先尝试作为时间戳解析,再按日期格式解析 |
| | | String text = p.getValueAsString(); |
| | | try { |
| | | long millis = Long.parseLong(text); |
| | | return LocalDateTime.ofInstant(Instant.ofEpochMilli(millis), ZoneId.systemDefault()); |
| | | } catch (NumberFormatException e) { |
| | | // 不是纯数字,按默认日期格式解析 |
| | | } |
| | | return LocalDateTime.parse(text, DEFAULT_FORMATTER); |
| | | } |
| | | |
| | | } |