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import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import org.apache.commons.lang3.StringUtils;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.convert.converter.Converter;
import org.springframework.lang.NonNull;
import java.io.IOException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;
/**
* jackson2 日期序列化和反序列化處理
*
*/
@Configuration
public class DateConverterConfig {
private static final DateTimeFormatter DATETIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd");
private static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern("HH:mm:ss");
/**
* jackson2 json序列化 null字段輸出為空串
*
* @return
* @author zhaoyang10
*/
@Bean
@Primary
//@ConditionalOnMissingBean(ObjectMapper.class)
public ObjectMapper serializingObjectMapper() {
ObjectMapper objectMapper = new ObjectMapper();
JavaTimeModule javaTimeModule = new JavaTimeModule();
//不再做統(tǒng)一處理 Springcloud2 fegin 會報日期格式化錯誤 格式化的日期字段直接加@JsonFormat 注解處理
//序列化日期格式
//javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer());
//javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer());
//javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer());
//反序列化日期格式
//javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer());
//javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer());
//javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer());
objectMapper.registerModule(javaTimeModule);
objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
objectMapper.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
return objectMapper;
}
/**
* 日期序列化
*/
public class LocalDateTimeSerializer extends JsonSerializer<LocalDateTime> {
@Override
public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
gen.writeString(value.format(DATETIME_FORMATTER));
}
}
/**
* 日期反序列化
*/
public class LocalDateTimeDeserializer extends JsonDeserializer<LocalDateTime> {
@Override
public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
return LocalDateTime.parse(p.getValueAsString(), DATETIME_FORMATTER);
}
}
/**
* 日期序列化
*/
public class LocalDateSerializer extends JsonSerializer<LocalDate> {
@Override
public void serialize(LocalDate value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
gen.writeString(value.format(DATE_FORMATTER));
}
}
/**
* 日期反序列化
*/
public class LocalDateDeserializer extends JsonDeserializer<LocalDate> {
@Override
public LocalDate deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
return LocalDate.parse(p.getValueAsString(), DATE_FORMATTER);
}
}
/**
* 日期序列化
*/
public class LocalTimeSerializer extends JsonSerializer<LocalTime> {
@Override
public void serialize(LocalTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
gen.writeString(value.format(TIME_FORMATTER));
}
}
/**
* 日期反序列化
*/
public class LocalTimeDeserializer extends JsonDeserializer<LocalTime> {
@Override
public LocalTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
return LocalTime.parse(p.getValueAsString(), TIME_FORMATTER);
}
}
/**
* 接收前端入?yún)⑷掌诘霓D(zhuǎn)換處理
*
* @return
*/
@Bean
public Converter<String, LocalDateTime> LocalDateTimeConvert() {
return new Converter<String, LocalDateTime>() {
@Override
public LocalDateTime convert(@NonNull String source) {
LocalDateTime date = null;
if (StringUtils.isNotBlank(source)) {
date = LocalDateTime.parse(source, DATETIME_FORMATTER);
}
return date;
}
};
}
@Bean
public Converter<String, LocalDate> LocalDateConvert() {
return new Converter<String, LocalDate>() {
@Override
public LocalDate convert(@NonNull String source) {
LocalDate date = null;
if (StringUtils.isNotBlank(source)) {
date = LocalDate.parse(source, DATE_FORMATTER);
}
return date;
}
};
}
@Bean
public Converter<String, LocalTime> LocalTimeConvert() {
return new Converter<String, LocalTime>() {
@Override
public LocalTime convert(@NonNull String source) {
LocalTime time = null;
if (StringUtils.isNotBlank(source)) {
time = LocalTime.parse(source, TIME_FORMATTER);
}
return time;
}
};
}
}關(guān)于Springboot2中如何進行jackson Java8日期格式化處理就分享到這里了,希望以上內(nèi)容可以對大家有一定的幫助,可以學(xué)到更多知識。如果覺得文章不錯,可以把它分享出去讓更多的人看到。
名稱欄目:Springboot2中如何進行jacksonJava8日期格式化處理
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