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配置一下日期格式化, 留一个备忘录
以下为 Kotlin 版本, Java版本修改一样, 自行修改即可
Date 类型
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| spring.jackson.default-property-inclusion=non_null
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=GMT+8
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Java8 LocalTime, LocalDate, LocalDateTime 类型
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| import java.time.format.DateTimeFormatter
private val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
private val dateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
private val timeFormatter = DateTimeFormatter.ofPattern("HH:mm:ss")
@Bean
fun jackson2ObjectMapperBuilderCustomizer(): Jackson2ObjectMapperBuilderCustomizer {
return Jackson2ObjectMapperBuilderCustomizer { builder ->
builder.serializerByType(LocalTime::class.java, LocalDateTimeSerializer(timeFormatter))
builder.deserializerByType(LocalTime::class.java, LocalDateTimeDeserializer(timeFormatter))
builder.serializerByType(LocalDateTime::class.java, LocalDateTimeSerializer(dateTimeFormatter))
builder.deserializerByType(LocalDateTime::class.java, LocalDateTimeDeserializer(dateTimeFormatter))
builder.serializerByType(LocalDateTime::class.java, LocalDateTimeSerializer(dateTimeFormatter))
builder.deserializerByType(LocalDateTime::class.java, LocalDateTimeDeserializer(dateTimeFormatter))
}
}
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Get查询参数
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| @Bean
fun localDateTimeFormatter(): Formatter<LocalDateTime> {
return object : Formatter<LocalDateTime> {
override fun parse(text: String, locale: java.util.Locale): LocalDateTime {
return LocalDateTime.parse(text, dateTimeFormatter)
}
override fun print(t: LocalDateTime, locale: java.util.Locale): String {
return t.format(dateTimeFormatter)
}
}
}
@Bean
fun localDateFormatter(): Formatter<LocalDate> {
return object : Formatter<LocalDate> {
override fun parse(text: String, locale: java.util.Locale): LocalDate {
return LocalDate.parse(text, dateFormatter)
}
override fun print(t: LocalDate, locale: java.util.Locale): String {
return t.format(dateFormatter)
}
}
}
@Bean
fun localTimeFormatter(): Formatter<LocalTime> {
return object : Formatter<LocalTime> {
override fun parse(text: String, locale: java.util.Locale): LocalTime {
return LocalTime.parse(text, timeFormatter)
}
override fun print(t: LocalTime, locale: java.util.Locale): String {
return t.format(timeFormatter)
}
}
}
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懒人版
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import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.format.Formatter
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
import java.time.LocalDate
import java.time.LocalDateTime
import java.time.LocalTime
import java.time.format.DateTimeFormatter
@Configuration
class JacksonConfig : WebMvcConfigurer {
private val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
private val dateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
private val timeFormatter = DateTimeFormatter.ofPattern("HH:mm:ss")
@Bean
fun jackson2ObjectMapperBuilderCustomizer(): Jackson2ObjectMapperBuilderCustomizer {
return Jackson2ObjectMapperBuilderCustomizer { builder ->
builder.serializerByType(LocalTime::class.java, LocalDateTimeSerializer(timeFormatter))
builder.deserializerByType(LocalTime::class.java, LocalDateTimeDeserializer(timeFormatter))
builder.serializerByType(LocalDateTime::class.java, LocalDateTimeSerializer(dateTimeFormatter))
builder.deserializerByType(LocalDateTime::class.java, LocalDateTimeDeserializer(dateTimeFormatter))
builder.serializerByType(LocalDateTime::class.java, LocalDateTimeSerializer(dateTimeFormatter))
builder.deserializerByType(LocalDateTime::class.java, LocalDateTimeDeserializer(dateTimeFormatter))
}
}
@Bean
fun localDateTimeFormatter(): Formatter<LocalDateTime> {
return object : Formatter<LocalDateTime> {
override fun parse(text: String, locale: java.util.Locale): LocalDateTime {
return LocalDateTime.parse(text, dateTimeFormatter)
}
override fun print(t: LocalDateTime, locale: java.util.Locale): String {
return t.format(dateTimeFormatter)
}
}
}
@Bean
fun localDateFormatter(): Formatter<LocalDate> {
return object : Formatter<LocalDate> {
override fun parse(text: String, locale: java.util.Locale): LocalDate {
return LocalDate.parse(text, dateFormatter)
}
override fun print(t: LocalDate, locale: java.util.Locale): String {
return t.format(dateFormatter)
}
}
}
@Bean
fun localTimeFormatter(): Formatter<LocalTime> {
return object : Formatter<LocalTime> {
override fun parse(text: String, locale: java.util.Locale): LocalTime {
return LocalTime.parse(text, timeFormatter)
}
override fun print(t: LocalTime, locale: java.util.Locale): String {
return t.format(timeFormatter)
}
}
}
}
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参考文章
SpringBoot中对LocalDateTime/LocalDate进行格式化并解析