JedisPool jedisPool = new JedisPool("localhost", 6379);
try (Jedis jedis = jedisPool.getResource()) {
    String key = "name";
    String value = jedis.get(key);
    if (value == null) {
        value = "Redis";
        jedis.set(key, value);
    }
    System.out.println("Value for key " + key + " is " + value);
}
jedisPool.close();

JedisPool jedisPool = new JedisPool("localhost", 6379);
try (Jedis jedis = jedisPool.getResource()) {
    String key = "user:1:name";
    User user = new User(1L, "John");
    String value = jedis.get(key);
    if (value == null) {
        value = JSON.toJSONString(user);
        jedis.set(key, value);
    }
    User cachedUser = JSON.parseObject(value, User.class);
    System.out.println("Cached user is " + cachedUser.getName());
}
jedisPool.close();

javaCopy codeJedisPool jedisPool = new JedisPool("localhost", 6379);
try (Jedis jedis = jedisPool.getResource()) {
    String key = "user:1";
    Map<String, String> fields = new HashMap<>();
    fields.put("name", "John");
    fields.put("age", "30");
    fields.put("email", "john@example.com");
    String result = jedis.hmset(key, fields);
    System.out.println("Result of hmset: " + result);

    String name = jedis.hget(key, "name");
    System.out.println("Name: " + name);

    Map<String, String> allFields = jedis.hgetAll(key);
    System.out.println("All fields: " + allFields);
}
jedisPool.close();

javaCopy codeJedisPool jedisPool = new JedisPool("localhost", 6379);
try (Jedis jedis = jedisPool.getResource()) {
    String key = "tasks";
    List<String> tasks = new ArrayList<>();
    tasks.add("Task 1");
    tasks.add("Task 2");
    tasks.add("Task 3");
    long result = jedis.lpush(key, tasks.toArray(new String[0]));
    System.out.println("Result of lpush: " + result);

    String task = jedis.rpop(key);
    System.out.println("Task: " + task);

    List<String> allTasks = jedis.lrange(key, 0, -1);
    System.out.println("All tasks: " + allTasks);
}
jedisPool.close();

JedisPool jedisPool = new JedisPool("localhost", 6379);
try (Jedis jedis = jedisPool.getResource()) {
    String key = "tags";
    Set<String> tags = new HashSet<>();
    tags.add("Java");
    tags.add("Redis");
    tags.add("Database");
    long result = jedis.sadd(key, tags.toArray(new String[0]));
    System.out.println("Result of sadd: " + result);

    boolean exists = jedis

boolean exists = jedis.sismember(key, "Java");
System.out.println("Exists: " + exists);

Set<String> allTags = jedis.smembers(key);
System.out.println("All tags: " + allTags);
}
jedisPool.close();

edisPoolConfig poolConfig = new JedisPoolConfig();
poolConfig.setMaxTotal(10);
JedisPool jedisPool = new JedisPool(poolConfig, "localhost", 6379);

try (Jedis jedis = jedisPool.getResource()) {
    // 使用Jedis操作Redis服务器
}

jedisPool.close();

javaCopy codeJedisPool jedisPool = new JedisPool("localhost", 6379);
try (Jedis jedis = jedisPool.getResource()) {
    Transaction transaction = jedis.multi();

    transaction.set("key1", "value1");
    transaction.set("key2", "value2");
    transaction.set("key3", "value3");

    List<Object> result = transaction.exec();
    System.out.println("Result of transaction: " + result);
}
jedisPool.close();

javaCopy codeJedisPool jedisPool = new JedisPool("localhost", 6379);
try (Jedis jedis = jedisPool.getResource()) {
    JedisPubSub jedisPubSub = new PubSub() {
@Override
public void onMessage(String channel, String message) {
System.out.println("Message received. Channel: " + channel + ", Message: " + message);
}
     @Override
    public void onSubscribe(String channel, int subscribedChannels) {
        System.out.println("Subscribed to channel: " + channel);
    }

    @Override
    public void onUnsubscribe(String channel, int subscribedChannels) {
        System.out.println("Unsubscribed from channel: " + channel);
    }
};

jedis.subscribe(jedisPubSub, "channel1");
  }
jedisPool.close();

javaCopy code@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {

    @Bean
    public RedisConnectionFactory redisConnectionFactory() {
        return new JedisConnectionFactory();
    }

    @Bean
    public RedisTemplate<String, Object> redisTemplate() {
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory());
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
        return redisTemplate;
    }

    @Bean
    public CacheManager cacheManager() {
        RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate());
        cacheManager.setDefaultExpiration(300);
        return cacheManager;
    }
}

javaCopy code@Repository
public class UserRepositoryImpl implements UserRepository {

    @Autowired
    private RedisTemplate<String, User> redisTemplate;

    private static final String KEY = "user:%s";

    @Override
    public User save(User user) {
        String key = String.format(KEY, user.getId());
        redisTemplate.opsForValue().set(key, user);
        return user;
    }

    @Override
    public User findById(String id) {
        String key = String.format(KEY, id);
        return redisTemplate.opsForValue().get(key);
    }
}