Spring Boot中Redis数据库的使用实例

<dependency> 
  <groupId>org.springframework.boot</groupId> 
  <artifactId>spring-boot-starter-redis</artifactId> 
</dependency> 

# REDIS (RedisProperties)
# Redis数据库索引（默认为0）
spring.redis.database=0 
# Redis服务器地址
spring.redis.host=192.168.0.58
# Redis服务器连接端口
spring.redis.port=6379 
# Redis服务器连接密码（默认为空）
spring.redis.password= 
# 连接池最大连接数（使用负值表示没有限制）
spring.redis.pool.max-active=8 
# 连接池最大阻塞等待时间（使用负值表示没有限制）
spring.redis.pool.max-wait=-1 
# 连接池中的最大空闲连接
spring.redis.pool.max-idle=8 
# 连接池中的最小空闲连接
spring.redis.pool.min-idle=0 
# 连接超时时间（毫秒）
spring.redis.timeout=0 

@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport{
  
  @Bean
  public KeyGenerator keyGenerator() {
    return new KeyGenerator() {
      @Override
      public Object generate(Object target, Method method, Object... params) {
        StringBuilder sb = new StringBuilder();
        sb.append(target.getClass().getName());
        sb.append(method.getName());
        for (Object obj : params) {
          sb.append(obj.toString());
        }
        return sb.toString();
      }
    };
  }

  @SuppressWarnings("rawtypes")
  @Bean
  public CacheManager cacheManager(RedisTemplate redisTemplate) {
    RedisCacheManager rcm = new RedisCacheManager(redisTemplate);
    //设置缓存过期时间
    //rcm.setDefaultExpiration(60);//秒
    return rcm;
  }
  
  @Bean
  public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
    StringRedisTemplate template = new StringRedisTemplate(factory);
    Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
    ObjectMapper om = new ObjectMapper();
    om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    jackson2JsonRedisSerializer.setObjectMapper(om);
    template.setValueSerializer(jackson2JsonRedisSerializer);
    template.afterPropertiesSet();
    return template;
  }

}

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(Application.class)
public class TestRedis {

  @Autowired
  private StringRedisTemplate stringRedisTemplate;
  
  @Autowired
  private RedisTemplate redisTemplate;

  @Test
  public void test() throws Exception {
    stringRedisTemplate.opsForValue().set("aaa", "111");
    Assert.assertEquals("111", stringRedisTemplate.opsForValue().get("aaa"));
  }
  
  @Test
  public void testObj() throws Exception {
    User user=new User("aa@126.com", "aa", "aa123456", "aa","123");
    ValueOperations<String, User> operations=redisTemplate.opsForValue();
    operations.set("com.neox", user);
    operations.set("com.neo.f", user,1,TimeUnit.SECONDS);
    Thread.sleep(1000);
    //redisTemplate.delete("com.neo.f");
    boolean exists=redisTemplate.hasKey("com.neo.f");
    if(exists){
      System.out.println("exists is true");
    }else{
      System.out.println("exists is false");
    }
    // Assert.assertEquals("aa", operations.get("com.neo.f").getUserName());
  }
}

@RequestMapping("/getUser")
@Cacheable(value="user-key")
public User getUser() {
  User user=userRepository.findByUserName("aa");
  System.out.println("若下面没出现“无缓存的时候调用”字样且能打印出数据表示测试成功"); 
  return user;
}

<dependency>
  <groupId>org.springframework.session</groupId>
  <artifactId>spring-session-data-redis</artifactId>
</dependency>

@Configuration
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 86400*30)
public class SessionConfig {
}

@RequestMapping("/uid")
  String uid(HttpSession session) {
    UUID uid = (UUID) session.getAttribute("uid");
    if (uid == null) {
      uid = UUID.randomUUID();
    }
    session.setAttribute("uid", uid);
    return session.getId();
  }

t<spring:session:sessions:db031986-8ecc-48d6-b471-b137a3ed6bc4
t(spring:session:expirations:1472976480000