1. pom.xml添加依赖
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!--集成redis--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> </dependencies>
2. application-dev.xml配置
#单机模式 spring: redis: host: 192.168.56.101 # 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 # Redis服务器连接密码(默认为空) timeout: 300ms # 连接超时时间(毫秒)
# 哨兵模式
spring: redis: sentinel: master: mymaster nodes: 192.168.56.101:26379,192.168.56.102:26379,192.168.56.103:26379 password: redis
3. java config配置(单节点)
package com.powerTrade.redis.common.config;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.Redistemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import java.time.Duration;
/**
* Redis单机配置
*/
@EnableCaching
@Configuration
public class BaseRedisConfig {
@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);
//必须设置,否则无法将JSON转化为对象,会转化成Map类型
objectMapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance,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));
return new RedisCacheManager(redisCacheWriter, redisCacheConfiguration);
}
}
4. 哨兵机制 (多节点配置)
package com.powerTrade.redis.common.config;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.RedisNode;
import org.springframework.data.redis.connection.RedisPassword;
import org.springframework.data.redis.connection.RedisSentinelConfiguration;
import org.springframework.data.redis.core.Redistemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import java.time.Duration;
/**
* Redis哨兵机制配置
*/
@EnableCaching
@Configuration
public class BaseRedisConfig {
@Value("${spring.redis.sentinel.nodes}")
private String redisNodes;
@Value("${spring.redis.sentinel.master}")
private String master;
@Value("${spring.redis.sentinel.password}")
private String password;
/**
* redis哨兵配置
*/
@Bean
public RedisSentinelConfiguration redisSentinelConfiguration(){
RedisSentinelConfiguration configuration = new RedisSentinelConfiguration();
String[] host = redisNodes.split(",");
for(String redisHost : host){
String[] item = redisHost.split(":");
String ip = item[0];
String port = item[1];
configuration.addSentinel(new RedisNode(ip, Integer.parseInt(port)));
}
configuration.setPassword(RedisPassword.of(password));
configuration.setMaster(master);
return configuration;
}
@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);
//必须设置,否则无法将JSON转化为对象,会转化成Map类型
objectMapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance,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));
return new RedisCacheManager(redisCacheWriter, redisCacheConfiguration);
}
}
5. redis工具类
package com.powerTrade.redis.common.utils;
import lombok.requiredArgsConstructor;
import org.springframework.data.redis.core.BoundSetoperations;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.Redistemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
@Component
@requiredArgsConstructor
public class RedisCache
{
public final Redistemplate redistemplate;
/**
* 缓存基本的对象,Integer、String、实体类等
*
* @param key 缓存的键值
* @param value 缓存的值
*/
public <T> void setCacheObject(final String key, final T value)
{
redistemplate.opsForValue().set(key, value);
}
/**
* 缓存基本的对象,Integer、String、实体类等
*
* @param key 缓存的键值
* @param value 缓存的值
* @param timeout 时间
* @param timeUnit 时间颗粒度
*/
public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
{
redistemplate.opsForValue().set(key, value, timeout, timeUnit);
}
/**
* 设置有效时间
*
* @param key Redis键
* @param timeout 超时时间
* @return true=设置成功;false=设置失败
*/
public boolean expire(final String key, final long timeout)
{
return expire(key, timeout, TimeUnit.SECONDS);
}
/**
* 设置有效时间
*
* @param key Redis键
* @param timeout 超时时间
* @param unit 时间单位
* @return true=设置成功;false=设置失败
*/
public boolean expire(final String key, final long timeout, final TimeUnit unit)
{
return redistemplate.expire(key, timeout, unit);
}
/**
* 获得缓存的基本对象。
*
* @param key 缓存键值
* @return 缓存键值对应的数据
*/
public <T> T getCacheObject(final String key)
{
ValueOperations<String, T> operation = redistemplate.opsForValue();
return operation.get(key);
}
/**
* 删除单个对象
*
* @param key
*/
public boolean deleteObject(final String key)
{
return redistemplate.delete(key);
}
/**
* 删除集合对象
*
* @param collection 多个对象
* @return
*/
public long deleteObject(final Collection collection)
{
return redistemplate.delete(collection);
}
/**
* 缓存List数据
*
* @param key 缓存的键值
* @param dataList 待缓存的List数据
* @return 缓存的对象
*/
public <T> long setCacheList(final String key, final List<T> dataList)
{
Long count = redistemplate.opsForList().rightPushAll(key, dataList);
return count == null ? 0 : count;
}
/**
* 获得缓存的list对象
*
* @param key 缓存的键值
* @return 缓存键值对应的数据
*/
public <T> List<T> getCacheList(final String key)
{
return redistemplate.opsForList().range(key, 0, -1);
}
/**
* 缓存Set
*
* @param key 缓存键值
* @param dataSet 缓存的数据
* @return 缓存数据的对象
*/
public <T> BoundSetoperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
{
BoundSetoperations<String, T> setoperation = redistemplate.boundSetops(key);
Iterator<T> it = dataSet.iterator();
while (it.hasNext())
{
setoperation.add(it.next());
}
return setoperation;
}
/**
* 获得缓存的set
*
* @param key
* @return
*/
public <T> Set<T> getCacheSet(final String key)
{
return redistemplate.opsForSet().members(key);
}
/**
* 缓存Map
*
* @param key
* @param dataMap
*/
public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
{
if (dataMap != null) {
redistemplate.opsForHash().putAll(key, dataMap);
}
}
/**
* 获得缓存的Map
*
* @param key
* @return
*/
public <T> Map<String, T> getCacheMap(final String key)
{
return redistemplate.opsForHash().entries(key);
}
/**
* 往Hash中存入数据
*
* @param key Redis键
* @param hKey Hash键
* @param value 值
*/
public <T> void setCacheMapValue(final String key, final String hKey, final T value)
{
redistemplate.opsForHash().put(key, hKey, value);
}
/**
* 获取Hash中的数据
*
* @param key Redis键
* @param hKey Hash键
* @return Hash中的对象
*/
public <T> T getCacheMapValue(final String key, final String hKey)
{
HashOperations<String, String, T> opsForHash = redistemplate.opsForHash();
return opsForHash.get(key, hKey);
}
/**
* 获取多个Hash中的数据
*
* @param key Redis键
* @param hKeys Hash键集合
* @return Hash对象集合
*/
public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
{
return redistemplate.opsForHash().multiGet(key, hKeys);
}
/**
* 获得缓存的基本对象列表
*
* @param pattern 字符串前缀
* @return 对象列表
*/
public Collection<String> keys(final String pattern)
{
return redistemplate.keys(pattern);
}
}
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