<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.60</version>
</dependency>
RedisConfig
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {
@Bean
@SuppressWarnings("all")
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;
}
@Bean
public CacheManager cacheManager(RedisConnectionFactory factory) {
RedisSerializer<String> redisSerializer = new StringRedisSerializer();
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);
RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
.entryTtl(Duration.ofSeconds(60*60))
.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))
.disableCachingNullValues();
RedisCacheManager cacheManager = RedisCacheManager.builder(factory)
.cacheDefaults(config)
.build();
return cacheManager;
}
@Bean
public HashOperations<String, String, Object> hashOperations(RedisTemplate<String, Object> redisTemplate) {
return redisTemplate.opsForHash();
}
@Bean
public ValueOperations<String, Object> valueOperations(RedisTemplate<String, Object> redisTemplate) {
return redisTemplate.opsForValue();
}
@Bean
public ListOperations<String, Object> listOperations(RedisTemplate<String, Object> redisTemplate) {
return redisTemplate.opsForList();
}
@Bean
public SetOperations<String, Object> setOperations(RedisTemplate<String, Object> redisTemplate) {
return redisTemplate.opsForSet();
}
@Bean
public ZSetOperations<String, Object> zSetOperations(RedisTemplate<String, Object> redisTemplate) {
return redisTemplate.opsForZSet();
}
}
RedisUtil
@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;
}
}
}
yml
spring:
redis:
host: 127.0.0.1
port: 6379
password:
controller
@RestController
@RequestMapping("redis")
public class RedisController {
@Resource
private RedisUtil redisUtil;
@RequestMapping("/redisTest")
public void redisTest() {
System.out.println("11111111111");
redisUtil.set("zhangsan","哈哈阿萨德122llp");
}
@RequestMapping("/cacheSave")
@Cacheable(value = "test_user",key="#userId")
public User cacheSave(Long userId) {
User user = new User();
user.setId(userId);
user.setAge(1);
user.setUsername("xxa");
user.setDates(new Date());
return user;
}
@RequestMapping("/cacheSaveGroup")
@Cacheable(value = {"test_user","test_cache"},key="#userId")
public User cacheSaveGroup(Long userId) {
User user = new User();
user.setId(userId);
user.setAge(13);
user.setUsername("xxa");
user.setDates(new Date());
return user;
}
@RequestMapping("/cacheSaveList")
@Cacheable(value = "test_user_list",key="#userId")
public List<User> cacheSaveList(Long userId) {
List<User> list = new ArrayList<>();
User user = new User();
user.setId(userId);
user.setAge(12);
user.setUsername("xxa");
user.setDates(new Date());
list.add(user);
User user2 = new User();
user2.setId(userId);
user2.setAge(11);
user2.setUsername("xxa");
user2.setDates(new Date());
list.add(user2);
return list;
}
@RequestMapping("/cacheSaveCondition")
@Cacheable(value = "test_user",key="#userId",condition="#userId%2==0")
public User cacheSaveCondition(Long userId) {
User user = new User();
user.setId(userId);
user.setAge(17);
user.setUsername("xxa");
user.setDates(new Date());
return user;
}
@GetMapping("/cacheSaveUnless")
@Cacheable(value = "userCache",key = "#userId",unless = "#result == null ")
public User getById(Long userId){
User user = new User();
user.setId(userId);
user.setAge(20);
user.setUsername("xxa");
user.setDates(new Date());
return user;
}
@GetMapping("/cacheSaveUnlessList")
@Cacheable(value = "userCache",key = "#userId",unless = "#result?.size() == 0" )
public List<User> getByIdList(Long userId){
List<User> list = new ArrayList<>();
User user = new User();
user.setId(userId);
user.setAge(20);
user.setUsername("xxa");
user.setDates(new Date());
list.add(user);
return list;
}
@GetMapping("/cacheSaveUnless1")
@Cacheable(value = "userCache",key = "#userId",unless = "#result == null ")
public User getById1(Long userId){
User user =null;
return user;
}
@RequestMapping("/cacheSavePut")
@CachePut(value = "test_user",key="#userId")
public User cacheSavePut(Long userId) {
User user = new User();
user.setId(userId);
user.setAge(2);
user.setUsername("xxa");
user.setDates(new Date());
return user;
}
@RequestMapping("/cacheCacheEvict")
@CacheEvict(value = "test_user",key="#userId", allEntries=true)
public User cacheCacheEvict(Long userId) {
User user = new User();
user.setId(userId);
user.setAge(2);
user.setUsername("xxa");
user.setDates(new Date());
return user;
}
@RequestMapping("/cacheCacheEvictBefore")
@CacheEvict(value = "test_user",key="#userId", beforeInvocation=false)
public User cacheCacheEvictBefore(Long userId) {
User user = new User();
user.setId(userId);
user.setAge(2);
user.setUsername("xxa");
user.setDates(new Date());
if(true){
throw new RuntimeException("xx");
}
return user;
}
}