<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.10.2</version>
        </dependency>

######################################
#jackson.date-format
######################################
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=GMT+8

package com.example.jsondemo;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.boot.jackson.JsonComponent;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;
/**
 * @author CBeann
 * @create 2020-09-05 19:23
 */
@Configuration
@JsonComponent
public class DateFormatConfig {
    @Value("${spring.jackson.date-format}")
    private String pattern;
    /**
     * @description date 类型全局时间格式化
     * @date 2020-09-05 19:23
     */
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilder() {
        return builder -> {
            TimeZone tz = TimeZone.getTimeZone("UTC");
            DateFormat df = new SimpleDateFormat(pattern);
            df.setTimeZone(tz);
            builder.failOnEmptyBeans(false)
                    .failOnUnknownProperties(false)
                    .featuresToDisable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
                    .dateFormat(df);
        };
    }
    /**
     * @description LocalDate 类型全局时间格式化
     * @date 2020-09-05 19:23
     */
    @Bean
    public LocalDateTimeSerializer localDateTimeDeserializer() {
        return new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(pattern));
    }
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
        return builder -> builder.serializerByType(LocalDateTime.class, localDateTimeDeserializer());
    }
}

@Data
public class Student {
    private String name;
    private Date date;
    private LocalDateTime localDateTime;
    private LocalDate localDate;
    private LocalTime localTime;
}

@RequestMapping("/hello")
    public Object jsonObject() {
        Student student = new Student();
        student.setDate(new Date());
        student.setLocalDate(LocalDate.now());
        student.setLocalDateTime(LocalDateTime.now());
        student.setLocalTime(LocalTime.now());
        return student;
    }

@JsonFormat(locale = "zh", timezone = "GMT+8", pattern = "yyyy-MM-dd")