springboot+redistemplate 集群配置

redisConfig 配置类

package com.zhouzhou.springredistemplatedemo.controller;

import io.lettuce.core.cluster.ClusterClientOptions;
import io.lettuce.core.cluster.ClusterTopologyRefreshOptions;
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.RedisClusterConfiguration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.RedisPassword;
import org.springframework.data.redis.connection.lettuce.LettuceClientConfiguration;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import javax.annotation.Resource;
import java.time.Duration;

@Configuration
public class RedisConfig {
          
   

    @Resource
    private RedisProperties redisProperties;

    /**
     * 对象 redistemplate
     *
     * @param factory
     * @return
     */
    @Bean(name = "redisTemplate")
    public RedisTemplate<String, Student> redisTemplate(RedisConnectionFactory factory) {
          
   

        RedisTemplate<String, Student> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(factory); // 设置工厂
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer()); // 设置 value 为jackson序列化
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer()); // 设置 hashvalue 为jackson序列化
        // redisTemplate.afterPropertiesSet(); //非spring注入，需要加上这一句
        return redisTemplate;

    }

    /**
     * 字符串 redistemplate
     *
     * @param factory
     * @return
     */
    @Bean(name = "stringRedisTemplate")
    public StringRedisTemplate stringRedisTemplate(RedisConnectionFactory factory) {
          
   
        StringRedisTemplate redisTemplate = new StringRedisTemplate(factory);
        redisTemplate.setConnectionFactory(factory); // 设置工厂
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer()); // 设置 value 为jackson序列化
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer()); // 设置 hashvalue 为jackson序列化
        // redisTemplate.afterPropertiesSet(); //非spring注入，需要加上这一句
        return redisTemplate;
    }

    /**
     * 集群才需要配置,单机配置会报错
     * @return
     */
    @Bean
    public RedisConnectionFactory redisConnectionFactory() {
          
   
        RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration(redisProperties.getCluster().getNodes());
        redisClusterConfiguration.setPassword(RedisPassword.of(redisProperties.getPassword()));

        //开始自适应集群拓扑刷新

        ClusterTopologyRefreshOptions clusterTopologyRefreshOptions = ClusterTopologyRefreshOptions.builder()
                .enableAdaptiveRefreshTrigger(ClusterTopologyRefreshOptions.RefreshTrigger.MOVED_REDIRECT,
                        ClusterTopologyRefreshOptions.RefreshTrigger.PERSISTENT_RECONNECTS,
                        ClusterTopologyRefreshOptions.RefreshTrigger.ASK_REDIRECT)
                .adaptiveRefreshTriggersTimeout(Duration.ofSeconds(30))
                .build();

        ClusterClientOptions clusterClientOptions = ClusterClientOptions.builder()
                .validateClusterNodeMembership(false)
                .topologyRefreshOptions(clusterTopologyRefreshOptions).build();

        LettuceClientConfiguration lettuceClientConfiguration = LettuceClientConfiguration.builder().clientOptions(clusterClientOptions).build();

        return new LettuceConnectionFactory(redisClusterConfiguration, lettuceClientConfiguration);
    }
}