依赖
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.12</version>
</dependency>
<!--redis 客户端-->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
</dependency>
<!--自定义序列化-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<!--属性配置支持-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</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-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
application.yml
spring:
application:
name: spring-boot-redis-cluster
redis:
cluster:
nodes: *:7001,*:7002,*:7003,*:7004,*:7005,*:7006
max-redirects: 6
redis:
timeout: 10000 #客户端超时时间单位是毫秒 默认是2000
maxIdle: 300 #最大空闲数
maxTotal: 1000 #控制一个pool可分配多少个jedis实例,用来替换上面的redis.maxActive,如果是jedis 2.4以后用该属性
maxWaitMillis: 1000 #最大建立连接等待时间。如果超过此时间将接到异常。设为-1表示无限制。
minEvictableIdleTimeMillis: 300000 #连接的最小空闲时间 默认1800000毫秒(30分钟)
numTestsPerEvictionRun: 1024 #每次释放连接的最大数目,默认3
timeBetweenEvictionRunsMillis: 30000 #逐出扫描的时间间隔(毫秒) 如果为负数,则不运行逐出线程, 默认-1
testOnBorrow: true #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
testWhileIdle: true #在空闲时检查有效性, 默认false
password: 123456 #密码
RedisCluster配置类
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
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.RedisNode;
import org.springframework.data.redis.connection.RedisPassword;
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.JedisPoolConfig;
import java.util.HashSet;
import java.util.Set;
/**
* @author liuhui
* @title: RedisConfig
* @projectName study
* @description: redis 配置类
* @date 2021/4/2811:29
*/
@Configuration
@Data
public class RedisClusterConfig {
@Value("${spring.redis.cluster.nodes}")
private String clusterNodes;
@Value("${spring.redis.cluster.max-redirects}")
private int maxRedirects;
@Value("${redis.password}")
private String password;
@Value("${redis.timeout}")
private int timeout;
@Value("${redis.maxIdle}")
private int maxIdle;
@Value("${redis.maxTotal}")
private int maxTotal;
@Value("${redis.maxWaitMillis}")
private int maxWaitMillis;
@Value("${redis.minEvictableIdleTimeMillis}")
private int minEvictableIdleTimeMillis;
@Value("${redis.numTestsPerEvictionRun}")
private int numTestsPerEvictionRun;
@Value("${redis.timeBetweenEvictionRunsMillis}")
private int timeBetweenEvictionRunsMillis;
@Value("${redis.testOnBorrow}")
private boolean testOnBorrow;
@Value("${redis.testWhileIdle}")
private boolean testWhileIdle;
/**
* Redis连接池的配置
*
* @return JedisPoolConfig
*/
@Bean
public JedisPoolConfig getJedisPoolConfig() {
JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
// 最大空闲数
jedisPoolConfig.setMaxIdle(maxIdle);
// 连接池的最大数据库连接数
jedisPoolConfig.setMaxTotal(maxTotal);
// 最大建立连接等待时间
jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
// 逐出连接的最小空闲时间 默认1800000毫秒(30分钟)
jedisPoolConfig.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
// 每次逐出检查时 逐出的最大数目 如果为负数就是 : 1/abs(n), 默认3
jedisPoolConfig.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
// 逐出扫描的时间间隔(毫秒) 如果为负数,则不运行逐出线程, 默认-1
jedisPoolConfig.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
// 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
jedisPoolConfig.setTestOnBorrow(testOnBorrow);
// 在空闲时检查有效性, 默认false
jedisPoolConfig.setTestWhileIdle(testWhileIdle);
return jedisPoolConfig;
}
/**
* Redis集群的配置
*
* @return RedisClusterConfiguration
*/
@Bean
public RedisClusterConfiguration redisClusterConfiguration() {
RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration();
// Set<RedisNode> clusterNodes
System.out.println(clusterNodes);
String[] serverArray = clusterNodes.split(",");
Set<RedisNode> nodes = new HashSet<RedisNode>();
for (String ipPort : serverArray) {
String[] ipAndPort = ipPort.split(":");
nodes.add(new RedisNode(ipAndPort[0].trim(), Integer.valueOf(ipAndPort[1])));
}
redisClusterConfiguration.setClusterNodes(nodes);
redisClusterConfiguration.setMaxRedirects(maxRedirects);
redisClusterConfiguration.setPassword(RedisPassword.of(password));
return redisClusterConfiguration;
}
/**
* redis连接工厂类
*
* @return JedisConnectionFactory
*/
@Bean
public JedisConnectionFactory jedisConnectionFactory() {
// 集群模式
JedisConnectionFactory factory = new JedisConnectionFactory(redisClusterConfiguration(), getJedisPoolConfig());
return factory;
}
/**
* 实例化 RedisTemplate 对象
*
* @return RedisTemplate<String, Object>
*/
@Bean
public RedisTemplate<String, Object> redisTemplate() {
RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
// Template初始化
initDomainRedisTemplate(redisTemplate);
return redisTemplate;
}
/**
* 设置数据存入 redis 的序列化方式 使用默认的序列化会导致key乱码
*/
private void initDomainRedisTemplate(RedisTemplate<String, Object> redisTemplate) {
// 开启redis数据库事务的支持
redisTemplate.setEnableTransactionSupport(true);
redisTemplate.setConnectionFactory(jedisConnectionFactory());
// 如果不配置Serializer,那么存储的时候缺省使用String,如果用User类型存储,那么会提示错误User can't cast to
// String!
StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
redisTemplate.setKeySerializer(stringRedisSerializer);
// hash的key也采用String的序列化方式
redisTemplate.setHashKeySerializer(stringRedisSerializer);
// jackson序列化对象设置
Jackson2JsonRedisSerializer<Object> 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);
// value序列化方式采用jackson
redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
// hash的value序列化方式采用jackson
redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
redisTemplate.afterPropertiesSet();
}
}