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Java 增强套件之 config-core 模块
There is a newer version: 3.10.1-2.4.13
package com.pongsky.kit.config;

import com.fasterxml.jackson.databind.deser.std.DateDeserializers;
import com.fasterxml.jackson.databind.ser.std.DateSerializer;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.Date;

/**
 * Jackson 配置
 *
 * @author pengsenhao
 */
@Configuration
public class JacksonConfig {

    private static final String DEFAULT_DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";

    private static final String DEFAULT_DATE_PATTERN = "yyyy-MM-dd";

    private static final String DEFAULT_TIME_PATTERN = "HH:mm:ss";

    /**
     * 补充 Jackson 序列化、反序列化
     * 
     * Long to String（防止前端 js 精度丢失）
     * Double to String（防止前端 js 精度丢失）
     * 
     * 统一时间格式：
     * Date to yyyy-MM-dd HH:mm:ss
     * LocalDateTime to yyyy-MM-dd HH:mm:ss
     * LocalDate to yyyy-MM-dd
     * LocalTime to HH:mm:ss
     *
     * @return Jackson 配置
     * @author pengsenhao
     */
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
        return builder -> builder
                .serializerByType(Double.class, ToStringSerializer.instance)
                .serializerByType(Long.class, ToStringSerializer.instance)
                .serializerByType(Date.class, new DateSerializer(false, new SimpleDateFormat(DEFAULT_DATETIME_PATTERN)))
                .serializerByType(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATETIME_PATTERN)))
                .serializerByType(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_PATTERN)))
                .serializerByType(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_PATTERN)))
                .deserializerByType(Date.class, new DateDeserializers.DateDeserializer())
                .deserializerByType(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATETIME_PATTERN)))
                .deserializerByType(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_PATTERN)))
                .deserializerByType(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_PATTERN)));
    }

}