使用Spring boot将json LocalDate转换为LocalDateTime

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.module.SimpleModule;
import org.springframework.boot.jackson.JsonComponent;

import java.io.IOException;
import java.time.LocalDate;
import java.time.LocalDateTime;

@JsonComponent
public class LocalDateModule extends SimpleModule {

    public LocalDateModule() {
        addSerializer(LocalDate.class, new LocalDateSerializer());
        addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer());
    }

    private static class LocalDateSerializer extends JsonSerializer<LocalDate> {

        @Override
        public void serialize(LocalDate value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
            gen.writeStartObject();
            gen.writeFieldName("year");
            gen.writeNumber(value.getYear());
            gen.writeFieldName("month");
            gen.writeNumber(value.getMonthValue());
            gen.writeFieldName("day");
            gen.writeNumber(value.getDayOfMonth());
            gen.writeEndObject();
        }
    }

    private static class LocalDateTimeDeserializer extends JsonDeserializer<LocalDateTime> {

        @Override
        public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
            int year = 0, month = 0, day = 0, hour = 0, minute = 0, second = 0;
            while (p.nextToken() != JsonToken.END_OBJECT) {
                String fieldname = p.getCurrentName();
                p.nextToken();
                switch (fieldname) {
                    case "year":
                        year = p.getIntValue();
                        break;
                    case "month":
                        month = p.getIntValue();
                        break;
                    case "day":
                        day = p.getIntValue();
                        break;
                    case "hour":
                        hour = p.getIntValue();
                        break;
                    case "minute":
                        minute = p.getIntValue();
                        break;
                    case "second":
                        second = p.getIntValue();
                        break;
                }
            }
            return LocalDateTime.of(year, month, day, hour, minute, second);
        }
    }
}

@SpringBootApplication
@JsonComponentScan
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

public class MyEntity {

    private LocalDate localDate;

    // Getters and setters
}