添加依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
添加配置类
@Configuration
class RedisConfig
{
@Bean("redisTemplate")
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory)
{
RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();
template.setConnectionFactory(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);
StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
template.setKeySerializer(stringRedisSerializer);
template.setHashKeySerializer(stringRedisSerializer);
template.setValueSerializer(jackson2JsonRedisSerializer);
template.setHashValueSerializer(jackson2JsonRedisSerializer);
template.afterPropertiesSet();
return template;
}
}
application.yml 增加配置信息
# Redis数据库索引(默认为0)
redis:
database: 0
# Redis服务器地址
host: 127.0.0.1
# Redis服务器连接端口
port: 6379
# Redis服务器连接密码(默认为空)
password:
# 连接池最大连接数(使用负值表示没有限制)
pool.max-active: 200
# 连接池最大阻塞等待时间(使用负值表示没有限制)
pool.max-wait: -1
# 连接池中的最大空闲连接
pool.max-idle: 10
# 连接池中的最小空闲连接
pool.min-idle: 0
# 连接超时时间(毫秒)
timeout: 1000
redis 工具类
**
* Redis工具类
*
* @author QI DONG WEI
* @date 2018年6月7日
*/
@Component
public final class RedisUtil
{
@Autowired
private RedisTemplate<String, Object> redisTemplate;
public boolean expire(String key, long time)
{
try
{
if (time > 0)
{
redisTemplate.expire(key, time, TimeUnit.SECONDS);
}
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public long getExpire(String key)
{
return redisTemplate.getExpire(key, TimeUnit.SECONDS);
}
public boolean hasKey(String key)
{
try
{
return redisTemplate.hasKey(key);
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
@SuppressWarnings("unchecked")
public void del(String... key)
{
if (key != null && key.length > 0)
{
if (key.length == 1)
{
redisTemplate.delete(key[0]);
} else
{
redisTemplate.delete(CollectionUtils.arrayToList(key));
}
}
}
public Object get(String key)
{
return key == null ? null : redisTemplate.opsForValue().get(key);
}
public boolean set(String key, Object value)
{
try
{
redisTemplate.opsForValue().set(key, value);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean set(String key, Object value, long time)
{
try
{
if (time > 0)
{
redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
} else
{
set(key, value);
}
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public long incr(String key, long delta)
{
if (delta < 0)
{
throw new RuntimeException("递增因子必须大于0");
}
return redisTemplate.opsForValue().increment(key, delta);
}
public long decr(String key, long delta)
{
if (delta < 0)
{
throw new RuntimeException("递减因子必须大于0");
}
return redisTemplate.opsForValue().increment(key, -delta);
}
public Object hget(String key, String item)
{
return redisTemplate.opsForHash().get(key, item);
}
public Map<Object, Object> hmget(String key)
{
return redisTemplate.opsForHash().entries(key);
}
public boolean hmset(String key, Map<String, Object> map)
{
try
{
redisTemplate.opsForHash().putAll(key, map);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean hmset(String key, Map<String, Object> map, long time)
{
try
{
redisTemplate.opsForHash().putAll(key, map);
if (time > 0)
{
expire(key, time);
}
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean hset(String key, String item, Object value)
{
try
{
redisTemplate.opsForHash().put(key, item, value);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean hset(String key, String item, Object value, long time)
{
try
{
redisTemplate.opsForHash().put(key, item, value);
if (time > 0)
{
expire(key, time);
}
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public void hdel(String key, Object... item)
{
redisTemplate.opsForHash().delete(key, item);
}
public boolean hHasKey(String key, String item)
{
return redisTemplate.opsForHash().hasKey(key, item);
}
public double hincr(String key, String item, double by)
{
return redisTemplate.opsForHash().increment(key, item, by);
}
public double hdecr(String key, String item, double by)
{
return redisTemplate.opsForHash().increment(key, item, -by);
}
public Set<Object> sGet(String key)
{
try
{
return redisTemplate.opsForSet().members(key);
} catch (Exception e)
{
e.printStackTrace();
return null;
}
}
public boolean sHasKey(String key, Object value)
{
try
{
return redisTemplate.opsForSet().isMember(key, value);
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public long sSet(String key, Object... values)
{
try
{
return redisTemplate.opsForSet().add(key, values);
} catch (Exception e)
{
e.printStackTrace();
return 0;
}
}
public long sSetAndTime(String key, long time, Object... values)
{
try
{
Long count = redisTemplate.opsForSet().add(key, values);
if (time > 0)
expire(key, time);
return count;
} catch (Exception e)
{
e.printStackTrace();
return 0;
}
}
public long sGetSetSize(String key)
{
try
{
return redisTemplate.opsForSet().size(key);
} catch (Exception e)
{
e.printStackTrace();
return 0;
}
}
public long setRemove(String key, Object... values)
{
try
{
Long count = redisTemplate.opsForSet().remove(key, values);
return count;
} catch (Exception e)
{
e.printStackTrace();
return 0;
}
}
public List<Object> lGet(String key, long start, long end)
{
try
{
return redisTemplate.opsForList().range(key, start, end);
} catch (Exception e)
{
e.printStackTrace();
return null;
}
}
public long lGetListSize(String key)
{
try
{
return redisTemplate.opsForList().size(key);
} catch (Exception e)
{
e.printStackTrace();
return 0;
}
}
public Object lGetIndex(String key, long index)
{
try
{
return redisTemplate.opsForList().index(key, index);
} catch (Exception e)
{
e.printStackTrace();
return null;
}
}
public boolean lSet(String key, Object value)
{
try
{
redisTemplate.opsForList().rightPush(key, value);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean lSet(String key, Object value, long time)
{
try
{
redisTemplate.opsForList().rightPush(key, value);
if (time > 0)
expire(key, time);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean lSet(String key, List<Object> value)
{
try
{
redisTemplate.opsForList().rightPushAll(key, value);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean lSet(String key, List<Object> value, long time)
{
try
{
redisTemplate.opsForList().rightPushAll(key, value);
if (time > 0)
expire(key, time);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public boolean lUpdateIndex(String key, long index, Object value)
{
try
{
redisTemplate.opsForList().set(key, index, value);
return true;
} catch (Exception e)
{
e.printStackTrace();
return false;
}
}
public long lRemove(String key, long count, Object value)
{
try
{
Long remove = redisTemplate.opsForList().remove(key, count, value);
return remove;
} catch (Exception e)
{
e.printStackTrace();
return 0;
}
}
}