docker pull redis:5.0
docker run -p 6379:6379 --name redis -v /mydata/redis/data:/data -d redis:5.0 redis-server --appendonly yes
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-data-redisartifactId>
dependency>
spring:
redis:
host:192.168.6.139# Redis服务器地址
database:0# Redis数据库索引(默认为0)
port:6379# Redis服务器连接端口
password:# Redis服务器连接密码(默认为空)
timeout:1000ms# 连接超时时间
@EnableCaching
@SpringBootApplication
publicclass MallTinyApplication {
public static void main(String[] args) {
SpringApplication.run(MallTinyApplication.class, args);
}
}
/**
* PmsBrandService实现类
* Created by macro on 2019/4/19.
*/
@Service
publicclass PmsBrandServiceImpl implements PmsBrandService {
@Autowired
private PmsBrandMapper brandMapper;
@CacheEvict(value = RedisConfig.REDIS_KEY_DATABASE, key = "'pms:brand:'+#id")
@Override
public int update(Long id, PmsBrand brand) {
brand.setId(id);
return brandMapper.updateByPrimaryKeySelective(brand);
}
@CacheEvict(value = RedisConfig.REDIS_KEY_DATABASE, key = "'pms:brand:'+#id")
@Override
public int delete(Long id) {
return brandMapper.deleteByPrimaryKey(id);
}
@Cacheable(value = RedisConfig.REDIS_KEY_DATABASE, key = "'pms:brand:'+#id", unless = "#result==null")
@Override
public PmsBrand getItem(Long id) {
return brandMapper.selectByPrimaryKey(id);
}
}
/**
* Redis配置类
* Created by macro on 2020/3/2.
*/
@EnableCaching
@Configuration
publicclass RedisConfig extends CachingConfigurerSupport {
/**
* redis数据库自定义key
*/
publicstaticfinal String REDIS_KEY_DATABASE="mall";
@Bean
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
RedisSerializer<Object> serializer = redisSerializer();
RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
redisTemplate.setConnectionFactory(redisConnectionFactory);
redisTemplate.setKeySerializer(new StringRedisSerializer());
redisTemplate.setValueSerializer(serializer);
redisTemplate.setHashKeySerializer(new StringRedisSerializer());
redisTemplate.setHashValueSerializer(serializer);
redisTemplate.afterPropertiesSet();
return redisTemplate;
}
@Bean
public RedisSerializer<Object> redisSerializer() {
//创建JSON序列化器
Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
serializer.setObjectMapper(objectMapper);
return serializer;
}
@Bean
public RedisCacheManager redisCacheManager(RedisConnectionFactory redisConnectionFactory) {
RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory);
//设置Redis缓存有效期为1天
RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer())).entryTtl(Duration.ofDays(1));
returnnew RedisCacheManager(redisCacheWriter, redisCacheConfiguration);
}
}
SpringBoot 2.x版本中默认客户端是用Lettuce实现的,Lettuce是一种可伸缩,线程安全,完全非阻塞的Redis客户端,多个线程可以共享一个RedisConnection,它利用Netty NIO框架来高效地管理多个连接,从而提供了异步和同步数据访问方式,用于构建非阻塞的反应性应用程序。
spring:
redis:
lettuce:
pool:
max-active:8# 连接池最大连接数
max-idle:8# 连接池最大空闲连接数
min-idle:0# 连接池最小空闲连接数
max-wait:-1ms# 连接池最大阻塞等待时间,负值表示没有限制
<dependency>
<groupId>org.apache.commonsgroupId>
<artifactId>commons-pool2artifactId>
dependency>
/**
* redis操作Service
* Created by macro on 2020/3/3.
*/
publicinterface RedisService {
/**
* 保存属性
*/
void set(String key, Object value, long time);
/**
* 保存属性
*/
void set(String key, Object value);
/**
* 获取属性
*/
Object get(String key);
/**
* 删除属性
*/
Boolean del(String key);
/**
* 批量删除属性
*/
Long del(List<String> keys);
/**
* 设置过期时间
*/
Boolean expire(String key, long time);
/**
* 获取过期时间
*/
Long getExpire(String key);
/**
* 判断是否有该属性
*/
Boolean hasKey(String key);
/**
* 按delta递增
*/
Long incr(String key, long delta);
/**
* 按delta递减
*/
Long decr(String key, long delta);
/**
* 获取Hash结构中的属性
*/
Object hGet(String key, String hashKey);
/**
* 向Hash结构中放入一个属性
*/
Boolean hSet(String key, String hashKey, Object value, long time);
/**
* 向Hash结构中放入一个属性
*/
void hSet(String key, String hashKey, Object value);
/**
* 直接获取整个Hash结构
*/
Map<Object, Object> hGetAll(String key);
/**
* 直接设置整个Hash结构
*/
Boolean hSetAll(String key, Map<String, Object> map, long time);
/**
* 直接设置整个Hash结构
*/
void hSetAll(String key, Map<String, Object> map);
/**
* 删除Hash结构中的属性
*/
void hDel(String key, Object... hashKey);
/**
* 判断Hash结构中是否有该属性
*/
Boolean hHasKey(String key, String hashKey);
/**
* Hash结构中属性递增
*/
Long hIncr(String key, String hashKey, Long delta);
/**
* Hash结构中属性递减
*/
Long hDecr(String key, String hashKey, Long delta);
/**
* 获取Set结构
*/
Set<Object> sMembers(String key);
/**
* 向Set结构中添加属性
*/
Long sAdd(String key, Object... values);
/**
* 向Set结构中添加属性
*/
Long sAdd(String key, long time, Object... values);
/**
* 是否为Set中的属性
*/
Boolean sIsMember(String key, Object value);
/**
* 获取Set结构的长度
*/
Long sSize(String key);
/**
* 删除Set结构中的属性
*/
Long sRemove(String key, Object... values);
/**
* 获取List结构中的属性
*/
List<Object> lRange(String key, long start, long end);
/**
* 获取List结构的长度
*/
Long lSize(String key);
/**
* 根据索引获取List中的属性
*/
Object lIndex(String key, long index);
/**
* 向List结构中添加属性
*/
Long lPush(String key, Object value);
/**
* 向List结构中添加属性
*/
Long lPush(String key, Object value, long time);
/**
* 向List结构中批量添加属性
*/
Long lPushAll(String key, Object... values);
/**
* 向List结构中批量添加属性
*/
Long lPushAll(String key, Long time, Object... values);
/**
* 从List结构中移除属性
*/
Long lRemove(String key, long count, Object value);
}
/**
* redis操作实现类
* Created by macro on 2020/3/3.
*/
@Service
publicclass RedisServiceImpl implements RedisService {
@Autowired
private RedisTemplate<String, Object> redisTemplate;
@Override
public void set(String key, Object value, long time) {
redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
}
@Override
public void set(String key, Object value) {
redisTemplate.opsForValue().set(key, value);
}
@Override
public Object get(String key) {
return redisTemplate.opsForValue().get(key);
}
@Override
public Boolean del(String key) {
return redisTemplate.delete(key);
}
@Override
public Long del(List<String> keys) {
return redisTemplate.delete(keys);
}
@Override
public Boolean expire(String key, long time) {
return redisTemplate.expire(key, time, TimeUnit.SECONDS);
}
@Override
public Long getExpire(String key) {
return redisTemplate.getExpire(key, TimeUnit.SECONDS);
}
@Override
public Boolean hasKey(String key) {
return redisTemplate.hasKey(key);
}
@Override
public Long incr(String key, long delta) {
return redisTemplate.opsForValue().increment(key, delta);
}
@Override
public Long decr(String key, long delta) {
return redisTemplate.opsForValue().increment(key, -delta);
}
@Override
public Object hGet(String key, String hashKey) {
return redisTemplate.opsForHash().get(key, hashKey);
}
@Override
public Boolean hSet(String key, String hashKey, Object value, long time) {
redisTemplate.opsForHash().put(key, hashKey, value);
return expire(key, time);
}
@Override
public void hSet(String key, String hashKey, Object value) {
redisTemplate.opsForHash().put(key, hashKey, value);
}
@Override
public Map<Object, Object> hGetAll(String key) {
return redisTemplate.opsForHash().entries(key);
}
@Override
public Boolean hSetAll(String key, Map<String, Object> map, long time) {
redisTemplate.opsForHash().putAll(key, map);
return expire(key, time);
}
@Override
public void hSetAll(String key, Map<String, Object> map) {
redisTemplate.opsForHash().putAll(key, map);
}
@Override
public void hDel(String key, Object... hashKey) {
redisTemplate.opsForHash().delete(key, hashKey);
}
@Override
public Boolean hHasKey(String key, String hashKey) {
return redisTemplate.opsForHash().hasKey(key, hashKey);
}
@Override
public Long hIncr(String key, String hashKey, Long delta) {
return redisTemplate.opsForHash().increment(key, hashKey, delta);
}
@Override
public Long hDecr(String key, String hashKey, Long delta) {
return redisTemplate.opsForHash().increment(key, hashKey, -delta);
}
@Override
public Set<Object> sMembers(String key) {
return redisTemplate.opsForSet().members(key);
}
@Override
public Long sAdd(String key, Object... values) {
return redisTemplate.opsForSet().add(key, values);
}
@Override
public Long sAdd(String key, long time, Object... values) {
Long count = redisTemplate.opsForSet().add(key, values);
expire(key, time);
return count;
}
@Override
public Boolean sIsMember(String key, Object value) {
return redisTemplate.opsForSet().isMember(key, value);
}
@Override
public Long sSize(String key) {
return redisTemplate.opsForSet().size(key);
}
@Override
public Long sRemove(String key, Object... values) {
return redisTemplate.opsForSet().remove(key, values);
}
@Override
public List<Object> lRange(String key, long start, long end) {
return redisTemplate.opsForList().range(key, start, end);
}
@Override
public Long lSize(String key) {
return redisTemplate.opsForList().size(key);
}
@Override
public Object lIndex(String key, long index) {
return redisTemplate.opsForList().index(key, index);
}
@Override
public Long lPush(String key, Object value) {
return redisTemplate.opsForList().rightPush(key, value);
}
@Override
public Long lPush(String key, Object value, long time) {
Long index = redisTemplate.opsForList().rightPush(key, value);
expire(key, time);
return index;
}
@Override
public Long lPushAll(String key, Object... values) {
return redisTemplate.opsForList().rightPushAll(key, values);
}
@Override
public Long lPushAll(String key, Long time, Object... values) {
Long count = redisTemplate.opsForList().rightPushAll(key, values);
expire(key, time);
return count;
}
@Override
public Long lRemove(String key, long count, Object value) {
return redisTemplate.opsForList().remove(key, count, value);
}
}
/**
* Redis测试Controller
* Created by macro on 2020/3/3.
*/
@Api(tags = "RedisController", description = "Redis测试")
@Controller
@RequestMapping("/redis")
publicclass RedisController {
@Autowired
private RedisService redisService;
@Autowired
private PmsBrandService brandService;
@ApiOperation("测试简单缓存")
@RequestMapping(value = "/simpleTest", method = RequestMethod.GET)
@ResponseBody
public CommonResult<PmsBrand> simpleTest() {
List<PmsBrand> brandList = brandService.list(1, 5);
PmsBrand brand = brandList.get(0);
String key = "redis:simple:" + brand.getId();
redisService.set(key, brand);
PmsBrand cacheBrand = (PmsBrand) redisService.get(key);
return CommonResult.success(cacheBrand);
}
@ApiOperation("测试Hash结构的缓存")
@RequestMapping(value = "/hashTest", method = RequestMethod.GET)
@ResponseBody
public CommonResult<PmsBrand> hashTest() {
List<PmsBrand> brandList = brandService.list(1, 5);
PmsBrand brand = brandList.get(0);
String key = "redis:hash:" + brand.getId();
Map<String, Object> value = BeanUtil.beanToMap(brand);
redisService.hSetAll(key, value);
Map<Object, Object> cacheValue = redisService.hGetAll(key);
PmsBrand cacheBrand = BeanUtil.mapToBean(cacheValue, PmsBrand.class, true);
return CommonResult.success(cacheBrand);
}
@ApiOperation("测试Set结构的缓存")
@RequestMapping(value = "/setTest", method = RequestMethod.GET)
@ResponseBody
public CommonResult<Set<Object>> setTest() {
List<PmsBrand> brandList = brandService.list(1, 5);
String key = "redis:set:all";
redisService.sAdd(key, (Object[]) ArrayUtil.toArray(brandList, PmsBrand.class));
redisService.sRemove(key, brandList.get(0));
Set<Object> cachedBrandList = redisService.sMembers(key);
return CommonResult.success(cachedBrandList);
}
@ApiOperation("测试List结构的缓存")
@RequestMapping(value = "/listTest", method = RequestMethod.GET)
@ResponseBody
public CommonResult<List<Object>> listTest() {
List<PmsBrand> brandList = brandService.list(1, 5);
String key = "redis:list:all";
redisService.lPushAll(key, (Object[]) ArrayUtil.toArray(brandList, PmsBrand.class));
redisService.lRemove(key, 1, brandList.get(0));
List<Object> cachedBrandList = redisService.lRange(key, 0, 3);
return CommonResult.success(cachedBrandList);
}
}