jackson 时间,Long形序列化与反序列化 全局配置

package xxx;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.DeserializationFeature;
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.math.BigInteger;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;

/**
 * json序列化与反序列化全局
 */

@Configuration
public class JacksonConfig {
    private static final String DATE_FORMAT = "yyyy-MM-dd";
    private static final String DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
    private static final String TIME_FORMAT = "HH:mm:ss";

    @Bean
    public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
        return jacksonObjectMapperBuilder -> {

            // 配置 Jackson 序列化 LocalDate、LocalDateTime 时使用的格式
            jacksonObjectMapperBuilder.serializers(new LocalDateSerializer(DateTimeFormatter.ofPattern(DATE_FORMAT)));
            jacksonObjectMapperBuilder.serializers(new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DATE_TIME_FORMAT)));
            jacksonObjectMapperBuilder.serializers(new LocalTimeSerializer(DateTimeFormatter.ofPattern(TIME_FORMAT)));

            // 配置 Jackson 反序列化 LocalDate、LocalDateTime 时使用的格式
            jacksonObjectMapperBuilder.deserializerByType(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DATE_TIME_FORMAT)));
            jacksonObjectMapperBuilder.deserializerByType(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(DATE_FORMAT)));
            jacksonObjectMapperBuilder.deserializerByType(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(TIME_FORMAT)));

            // Jackson全局转化long类型为String，解决jackson序列化时传入前端Long类型缺失精度问题
            jacksonObjectMapperBuilder.serializerByType(BigInteger.class, ToStringSerializer.instance);
            jacksonObjectMapperBuilder.serializerByType(Long.class, ToStringSerializer.instance);
            jacksonObjectMapperBuilder.serializerByType(Long.TYPE, ToStringSerializer.instance);

			//以下暂时不要
           // jacksonObjectMapperBuilder.propertyNamingStrategy(new JacksonCustomPropertyNamingStrategy());
          //  jacksonObjectMapperBuilder.propertyNamingStrategy(PropertyNamingStrategy.LOWER_CASE);
            //直接使用属性而不借助于get set方法来序列化属性 防止属性名莫名其妙的转换问题  例如tAcoount->taccount
            jacksonObjectMapperBuilder.visibility(PropertyAccessor.ALL,JsonAutoDetect.Visibility.NONE);
            jacksonObjectMapperBuilder.visibility(PropertyAccessor.FIELD,JsonAutoDetect.Visibility.ANY);

            //自动忽略序列化时java class不存在的属性
            jacksonObjectMapperBuilder.featuresToDisable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);

}