SpringCloud实现Redis集群配置

1. 在配置文件中添加以下

spring:
    redis:
        cluster:
            # 各 Redis 节点信息
            nodes: 密码
            # 执行命令超时时间
            command-timeout: 15000
            # 重试次数
            max-attempts: 5
            # 跨集群执行命令时要遵循的最大重定向数量
            max-redirects: 3
            # 连接池最大连接数（使用负值表示没有限制）
            max-active: 16
            # 连接池最大阻塞等待时间（使用负值表示没有限制）
            max-wait: -1
            # 连接池中的最大空闲连接
            max-idle: 8
            # 连接池中的最小空闲连接
            min-idle: 0
            # 是否在从池中取出连接前进行检验,如果检验失败,则从池中去除连接并尝试取出另一个
            test-on-borrow: true

1. 添加对应的Maven依赖

 <!--redis-->
<dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

1. 通过java方式添加对应的Redis集群配置

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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.RedisNode;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import redis.clients.jedis.JedisCluster;
import redis.clients.jedis.JedisPoolConfig;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;

/**
 * @Author：HappyGiraffe
 * @Description：Redis 配置类
 * @CreateDate：13:48 2018/7/4
 */
@Configuration
@ConditionalOnClass(JedisCluster.class)
public class RedisConfig {

    @Resource
    private RedisProperties redisProperties;

    /**
     * 配置 Redis 连接池信息
     */
    @Bean
    public JedisPoolConfig getJedisPoolConfig() {
        JedisPoolConfig jedisPoolConfig =new JedisPoolConfig();
        jedisPoolConfig.setMaxIdle(redisProperties.getMaxIdle());
        jedisPoolConfig.setMaxWaitMillis(redisProperties.getMaxWait());
        jedisPoolConfig.setTestOnBorrow(redisProperties.isTestOnBorrow());

        return jedisPoolConfig;
    }

    /**
     * 配置 Redis Cluster 信息
     */
    @Bean
    public RedisClusterConfiguration getJedisCluster() {
        RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration();
        redisClusterConfiguration.setMaxRedirects(redisProperties.getMaxRedirects());

        List<RedisNode> nodeList = new ArrayList<>();

        String[] cNodes = redisProperties.getNodes().split(",");
        //分割出集群节点
        for(String node : cNodes) {
            String[] hp = node.split(":");
            nodeList.add(new RedisNode(hp[0], Integer.parseInt(hp[1])));
        }
        redisClusterConfiguration.setClusterNodes(nodeList);

        return redisClusterConfiguration;
    }

    /**
     * 配置 Redis 连接工厂
     */
    @Bean
    public JedisConnectionFactory getJedisConnectionFactory(RedisClusterConfiguration redisClusterConfiguration, JedisPoolConfig jedisPoolConfig) {
        JedisConnectionFactory jedisConnectionFactory = new JedisConnectionFactory(redisClusterConfiguration, jedisPoolConfig);
        return jedisConnectionFactory;
    }

    /**
     * 设置数据存入redis 的序列化方式
     *  redisTemplate序列化默认使用的jdkSerializeable
     *  存储二进制字节码，导致key会出现乱码，所以自定义序列化类
     */
    @Bean
    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(objectMapper);

        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.afterPropertiesSet();

        return redisTemplate;
    }

}

添加第二个配置

/**
 * @Author：HappyGiraffe
 * @Description：Redis 基本环境信息
 * @CreateDate：13:48 2018/7/4
 */
@Component
//
@ConfigurationProperties(prefix = "spring.redis.cluster")
@Data
public class RedisProperties {

    private String nodes;

    private Integer commandTimeout;

    private Integer maxAttempts;

    private Integer maxRedirects;

    private Integer maxActive;

    private Integer maxWait;

    private Integer maxIdle;

    private Integer minIdle;

    private boolean testOnBorrow;

    public String getNodes() {
        return nodes;
    }

    public void setNodes(String nodes) {
        this.nodes = nodes;
    }

    public Integer getCommandTimeout() {
        return commandTimeout;
    }

    public void setCommandTimeout(Integer commandTimeout) {
        this.commandTimeout = commandTimeout;
    }

    public Integer getMaxAttempts() {
        return maxAttempts;
    }

    public void setMaxAttempts(Integer maxAttempts) {
        this.maxAttempts = maxAttempts;
    }

    public Integer getMaxRedirects() {
        return maxRedirects;
    }

    public void setMaxRedirects(Integer maxRedirects) {
        this.maxRedirects = maxRedirects;
    }

    public Integer getMaxActive() {
        return maxActive;
    }

    public void setMaxActive(Integer maxActive) {
        this.maxActive = maxActive;
    }

    public Integer getMaxWait() {
        return maxWait;
    }

    public void setMaxWait(Integer maxWait) {
        this.maxWait = maxWait;
    }

    public Integer getMaxIdle() {
        return maxIdle;
    }

    public void setMaxIdle(Integer maxIdle) {
        this.maxIdle = maxIdle;
    }

    public Integer getMinIdle() {
        return minIdle;
    }

    public void setMinIdle(Integer minIdle) {
        this.minIdle = minIdle;
    }

    public boolean isTestOnBorrow() {
        return testOnBorrow;
    }

    public void setTestOnBorrow(boolean testOnBorrow) {
        this.testOnBorrow = testOnBorrow;
    }
}