使用Springboo和mybatis框架，连接mysql数据库，给出具体程序，程序包含Dao层，Mapper.xml文件，Service层，Service实现类，Controller层，实现获取中奖奖品的周排名 ,月排名, 年排名 ,降序排列,取前5条数据需求

好的，以下是一个简单的实现：

1. 首先，需要在pom.xml中添加Spring Boot和Mybatis的依赖：

<dependencies>
    <!-- Spring Boot -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter</artifactId>
    </dependency>

    <!-- Mybatis -->
    <dependency>
        <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
        <version>2.1.3</version>
    </dependency>

    <!-- MySQL Connector -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.23</version>
    </dependency>
</dependencies>

2. 接下来，需要配置数据库连接信息，在application.properties文件中添加以下内容：

spring.datasource.url=jdbc:mysql://localhost:3306/your_database_name?useSSL=false&serverTimezone=UTC
spring.datasource.username=your_username
spring.datasource.password=your_password
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

3. 创建实体类，例如PrizeRanking：

public class PrizeRanking {
    private Long id;
    private String prizeName;
    private Integer prizeRank;
    // Getters and Setters...
}

4. 创建Dao层接口，例如PrizeRankingDao：

@Mapper
@Repository
public interface PrizeRankingDao {
    List<PrizeRanking> getWeeklyRanking();

    List<PrizeRanking> getMonthlyRanking();

    List<PrizeRanking> getYearlyRanking();
}

5. 创建Mapper.xml文件，例如PrizeRankingMapper.xml：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" 
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.example.demo.dao.PrizeRankingDao">
    <resultMap id="prizeRankingResultMap" type="com.example.demo.entity.PrizeRanking">
        <id property="id" column="id"/>
        <result property="prizeName" column="prize_name"/>
        <result property="prizeRank" column="prize_rank"/>
    </resultMap>

    <select id="getWeeklyRanking" resultMap="prizeRankingResultMap">
        SELECT * FROM prize_ranking WHERE DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date ORDER BY prize_rank DESC LIMIT 5;
    </select>

    <select id="getMonthlyRanking" resultMap="prizeRankingResultMap">
        SELECT * FROM prize_ranking WHERE DATE_SUB(CURDATE(), INTERVAL 1 MONTH) <= date ORDER BY prize_rank DESC LIMIT 5;
    </select>

    <select id="getYearlyRanking" resultMap="prizeRankingResultMap">
        SELECT * FROM prize_ranking WHERE DATE_SUB(CURDATE(), INTERVAL 1 YEAR) <= date ORDER BY prize_rank DESC LIMIT 5;
    </select>
</mapper>

6. 创建Service层接口，例如PrizeRankingService：

public interface PrizeRankingService {
    List<PrizeRanking> getWeeklyRanking();

    List<PrizeRanking> getMonthlyRanking();

    List<PrizeRanking> getYearlyRanking();
}

7. 创建Service实现类，例如PrizeRankingServiceImpl：

@Service
public class PrizeRankingServiceImpl implements PrizeRankingService {
    @Autowired
    private PrizeRankingDao prizeRankingDao;

    @Override
    public List<PrizeRanking> getWeeklyRanking() {
        return prizeRankingDao.getWeeklyRanking();
    }

    @Override
    public List<PrizeRanking> getMonthlyRanking() {
        return prizeRankingDao.getMonthlyRanking();
    }

    @Override
    public List<PrizeRanking> getYearlyRanking() {
        return prizeRankingDao.getYearlyRanking();
    }
}

8. 创建Controller层，例如PrizeRankingController：

@RestController
@RequestMapping("/prizeRanking")
public class PrizeRankingController {
    @Autowired
    private PrizeRankingService prizeRankingService;

    @GetMapping("/weekly")
    public List<PrizeRanking> getWeeklyRanking() {
        return prizeRankingService.getWeeklyRanking();
    }

    @GetMapping("/monthly")
    public List<PrizeRanking> getMonthlyRanking() {
        return prizeRankingService.getMonthlyRanking();
    }

    @GetMapping("/yearly")
    public List<PrizeRanking> getYearlyRanking() {
        return prizeRankingService.getYearlyRanking();
    }
}

以上就是一个简单的实现，您可以根据自己的实际需求进行修改。