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1.单机配置

spring:redis:mode: singletonhost: 127.0.0.1port: 6379lettuce: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max-idle: 2     #连接池中的最大空闲连接min-idle: 1     #连接池最大阻塞等待时间（使用负值表示没有限制password: 123456

2.集群配置

spring:redis:cluster:nodes: 192.168.68.152:7000,192.168.68.152:7001,192.168.68.152:7002,192.168.68.152:7003,192.168.68.152:7004,192.168.68.152:7005lettuce: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max-idle: 2     #连接池中的最大空闲连接min-idle: 1     #连接池最大阻塞等待时间（使用负值表示没有限制

3.配置文件编写

package com.example.demo.config;import io.lettuce.core.ReadFrom;
import io.lettuce.core.cluster.ClusterClientOptions;
import io.lettuce.core.cluster.ClusterTopologyRefreshOptions;
import lombok.AllArgsConstructor;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.*;
import org.springframework.data.redis.connection.lettuce.LettuceClientConfiguration;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;import javax.annotation.Resource;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
/*** @author fuhao* @create 2023-09-07 15:42**/
@Configuration
@AllArgsConstructor
@AutoConfigureBefore(RedisAutoConfiguration.class)
public class RedisConfig {@Beanpublic RedisTemplate<String, Object> redisTemplate(@Qualifier("redisConnectionFactory") RedisConnectionFactory redisConnectionFactory) {RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();redisTemplate.setKeySerializer(new StringRedisSerializer());redisTemplate.setHashKeySerializer(new StringRedisSerializer());//设置value的序列化器GenericJackson2JsonRedisSerializer jackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer();redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);redisTemplate.setConnectionFactory(redisConnectionFactory);return redisTemplate;}@ResourceRedisProperties redisProperties;@Beanpublic GenericObjectPoolConfig poolConfig() {GenericObjectPoolConfig config = new GenericObjectPoolConfig();config.setMinIdle(redisProperties.getLettuce().getPool().getMinIdle());config.setMaxIdle(redisProperties.getLettuce().getPool().getMaxIdle());config.setMaxTotal(redisProperties.getLettuce().getPool().getMaxActive());config.setMaxWaitMillis(redisProperties.getLettuce().getPool().getMaxWait().toMillis());return config;}/*** sentinel 哨兵模式configuration** */@Bean@ConditionalOnProperty(value = "spring.redis.mode",havingValue = "sentinel")public RedisSentinelConfiguration redisConfigurationModeSentinel() {RedisSentinelConfiguration redisConfig = new RedisSentinelConfiguration();redisConfig.setMaster(redisProperties.getSentinel().getMaster());if(redisProperties.getSentinel().getNodes()!=null) {List<RedisNode> sentinelNode=new ArrayList<RedisNode>();for(String sen : redisProperties.getSentinel().getNodes()) {String[] arr = sen.split(":");sentinelNode.add(new RedisNode(arr[0],Integer.parseInt(arr[1])));}redisConfig.setDatabase(redisProperties.getDatabase());redisConfig.setPassword(redisProperties.getPassword());redisConfig.setSentinelPassword(redisConfig.getPassword());redisConfig.setSentinels(sentinelNode);}return redisConfig;}/*** singleten单机 模式configuration** */@Bean@ConditionalOnProperty(value = "spring.redis.mode",havingValue = "singleton")public RedisStandaloneConfiguration redisConfigurationModeSingleton() {RedisStandaloneConfiguration standaloneConfiguration = new RedisStandaloneConfiguration();standaloneConfiguration.setDatabase(redisProperties.getDatabase());standaloneConfiguration.setHostName(redisProperties.getHost());standaloneConfiguration.setPassword(redisProperties.getPassword());standaloneConfiguration.setPort(redisProperties.getPort());return standaloneConfiguration;}/*** cluster 模式configuration** */@Bean@ConditionalOnProperty(value = "spring.redis.mode",havingValue = "cluster")public RedisClusterConfiguration redisClusterConfigurationModeCluster() {RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration(redisProperties.getCluster().getNodes());redisClusterConfiguration.setPassword(redisProperties.getPassword());return redisClusterConfiguration;}/*** singleton单机 模式redisConnectionFactory**/@Bean("redisConnectionFactory")@ConditionalOnProperty(value = "spring.redis.mode",havingValue = "singleton")public LettuceConnectionFactory redisConnectionFactoryModeSingleton(@Qualifier("poolConfig") GenericObjectPoolConfig config,RedisStandaloneConfiguration redisStandaloneConfiguration) {//注意传入的对象名和类型RedisSentinelConfigurationLettuceClientConfiguration clientConfiguration = LettucePoolingClientConfiguration.builder().poolConfig(config).build();return new LettuceConnectionFactory(redisStandaloneConfiguration, clientConfiguration);}/*** sentinel哨兵 模式redisConnectionFactory**/@Bean("redisConnectionFactory")@ConditionalOnProperty(value = "spring.redis.mode",havingValue = "sentinel")public LettuceConnectionFactory redisConnectionFactoryModeSentinel(@Qualifier("poolConfig") GenericObjectPoolConfig config,RedisSentinelConfiguration redisConfig) {//注意传入的对象名和类型RedisSentinelConfigurationLettuceClientConfiguration clientConfiguration = LettucePoolingClientConfiguration.builder().poolConfig(config).build();return new LettuceConnectionFactory(redisConfig, clientConfiguration);}/*** cluster 模式redisConnectionFactory**/@Bean("redisConnectionFactory")@ConditionalOnProperty(value = "spring.redis.mode",havingValue = "cluster")public LettuceConnectionFactory redisConnectionFactory(RedisClusterConfiguration redisClusterConfiguration) {ClusterTopologyRefreshOptions clusterTopologyRefreshOptions = ClusterTopologyRefreshOptions.builder().enablePeriodicRefresh().enableAllAdaptiveRefreshTriggers().refreshPeriod(Duration.ofSeconds(5)).build();ClusterClientOptions clusterClientOptions = ClusterClientOptions.builder().topologyRefreshOptions(clusterTopologyRefreshOptions).build();LettuceClientConfiguration lettuceClientConfiguration = LettuceClientConfiguration.builder().readFrom(ReadFrom.REPLICA_PREFERRED).clientOptions(clusterClientOptions).build();return new LettuceConnectionFactory(redisClusterConfiguration, lettuceClientConfiguration);}}

4.pom.xml

<dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>2.0.37</version>
</dependency>
<dependency><groupId>org.apache.commons</groupId><artifactId>commons-pool2</artifactId><version>2.11.1</version>
</dependency>
<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId>
</dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId>
</dependency>