Spring Boot与Redisson实时排行榜功能

<dependency>
    <groupId>org.redisson</groupId>
    <artifactId>redisson-spring-boot-starter</artifactId>
    <version>3.16.1</version>
</dependency>

spring.redis.host=localhost
spring.redis.port=6379
spring.redis.password=

@Service
public class RankingService {

    @Autowired
    private RedissonClient redissonClient;

    // 添加用户分数
    public void addScore(String userId, int score) {
        RScoredSortedSet<String> ranking = redissonClient.getScoredSortedSet("ranking");
        ranking.add(score, userId);
    }

    // 获取排行榜
    public List<String> getRanking() {
        RScoredSortedSet<String> ranking = redissonClient.getScoredSortedSet("ranking");
        return ranking.valueRange(0, -1);
    }
}

@RestController
public class RankingController {

    @Autowired
    private RankingService rankingService;

    // 添加用户分数
    @PostMapping("/addScore")
    public void addScore(@RequestParam String userId, @RequestParam int score) {
        rankingService.addScore(userId, score);
    }

    // 获取排行榜
    @GetMapping("/getRanking")
    public List<String> getRanking() {
        return rankingService.getRanking();
    }
}