如何转换和比较spring mongodb数据中的日期

import org.springframework.data.mongodb.core.convert.MongoConverter;
import org.springframework.data.mongodb.core.convert.MongoCustomConversions;
import org.springframework.data.mongodb.core.convert.MongoTypeMapper;
import org.springframework.data.mongodb.core.convert.NoOpDbRefResolver;
import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.SimpleMongoClientDatabaseFactory;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;

import java.time.LocalDateTime;
import java.util.List;

public class SpringMongoDBDateComparisonExample {

    public static void main(String[] args) {
        // 创建MongoTemplate对象
        MongoTemplate mongoTemplate = createMongoTemplate();

        // 查询日期大于指定日期的数据
        LocalDateTime specifiedDate = LocalDateTime.of(2022, 1, 1, 0, 0);
        Query query = Query.query(Criteria.where("date").gt(specifiedDate));
        List<Document> results = mongoTemplate.find(query, Document.class, "collectionName");

        // 比较两个日期的先后顺序
        LocalDateTime date1 = LocalDateTime.of(2022, 1, 1, 0, 0);
        LocalDateTime date2 = LocalDateTime.of(2022, 1, 2, 0, 0);
        int comparisonResult = date1.compareTo(date2);
        if (comparisonResult < 0) {
            System.out.println("date1 在 date2 之前");
        } else if (comparisonResult > 0) {
            System.out.println("date1 在 date2 之后");
        } else {
            System.out.println("date1 和 date2 相等");
        }
    }

    private static MongoTemplate createMongoTemplate() {
        // 创建MongoDB连接工厂
        SimpleMongoClientDatabaseFactory dbFactory = new SimpleMongoClientDatabaseFactory("mongodb://localhost:27017/databaseName");

        // 创建MongoConverter对象
        MongoConverter converter = new MappingMongoConverter(
                new NoOpDbRefResolver(),
                new MongoMappingContext(),
                new MongoCustomConversions(),
                new MongoTypeMapper() {
                    @Override
                    public String getAliasFor(Class<?> type) {
                        return null;
                    }

                    @Override
                    public void writeType(TypeInformation<?> info, BsonWriter writer) {
                        // 不写入类型信息
                    }

                    @Override
                    public TypeInformation<?> readType(BsonReader reader, TypeInformation<?> basicType) {
                        return basicType;
                    }
                }
        );

        // 创建MongoTemplate对象
        return new MongoTemplate(dbFactory, converter);
    }
}