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这篇文章主要介绍“spring-boot使用lettuce redis客户端的方法”，在日常操作中，相信很多人在spring-boot使用lettuce redis客户端的方法问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”spring-boot使用lettuce redis客户端的方法”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
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config类：
package net.loyin.cloud.upms.config;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
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.StringRedisSerializer;
import java.time.Duration;
import java.util.HashSet;
import java.util.Set;
@Configuration
@AutoConfigureAfter(RedisAutoConfiguration.class)
public class RedisConfig {
@Value("${spring.redis.database:0}")
private int database;
@Value("${spring.redis.host:localhost}")
private String host;
@Value("${spring.redis.nodes:}")
private String clusterNodes;
@Value("${spring.redis.password:}")
private String password;
@Value("${spring.redis.port:6379}")
private int port;
@Value("${spring.redis.timeout:1000}")
private long timeout;
@Value("${spring.redis.lettuce.pool.max-idle:8}")
private int maxIdle;
@Value("${spring.redis.lettuce.pool.min-idle:8}")
private int minIdle;
@Value("${spring.redis.lettuce.pool.max-active:10}")
private int maxActive;
@Value("${spring.redis.lettuce.pool.max-wait:-1}")
private long maxWait;
/**
* 配置自定义redisTemplate
*
* @return
*/
@Bean
public RedisTemplate redisTemplate(RedisConnectionFactory redisConnectionFactory) {
RedisTemplate template = new RedisTemplate<>();
template.setConnectionFactory(redisConnectionFactory);
//使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
/*Jackson2JsonRedisSerializer serializer = new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper mapper = new ObjectMapper();
mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
serializer.setObjectMapper(mapper);*/
//使用StringRedisSerializer来序列化和反序列化redis的key值
StringRedisSerializer stringRedisSerializer=new StringRedisSerializer();
template.setKeySerializer(stringRedisSerializer);
template.setValueSerializer(stringRedisSerializer);
template.setHashKeySerializer(stringRedisSerializer);
template.setHashValueSerializer(stringRedisSerializer);
template.afterPropertiesSet();
return template;
}
@Bean
LettuceConnectionFactory redisConnectionFactory() {
RedisConfiguration redisConfiguration = null;
if (clusterNodes != null&&"".equals(clusterNodes)==false) {
// 集群版配置
RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration();
String[] serverArray = clusterNodes.split(",");
Set nodes = new HashSet();
for (String ipPort : serverArray) {
String[] ipAndPort = ipPort.split(":");
nodes.add(new RedisNode(ipAndPort[0].trim(), Integer.valueOf(ipAndPort[1])));
}
redisClusterConfiguration.setPassword(RedisPassword.of(password));
redisClusterConfiguration.setClusterNodes(nodes);
// redisClusterConfiguration.setMaxRedirects(maxRedirects);
redisConfiguration = redisClusterConfiguration;
} else {
// 单机版配置
RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();
redisStandaloneConfiguration.setDatabase(database);
redisStandaloneConfiguration.setHostName(host);
redisStandaloneConfiguration.setPort(port);
if (password != null && "".equals(password) == false) {
redisStandaloneConfiguration.setPassword(RedisPassword.of(password));
}
redisConfiguration = redisStandaloneConfiguration;
}
GenericObjectPoolConfig poolConfig = new GenericObjectPoolConfig();
poolConfig.setMaxIdle(maxIdle);
poolConfig.setMinIdle(minIdle);
poolConfig.setMaxTotal(maxActive);
poolConfig.setMaxWaitMillis(maxWait);
LettuceClientConfiguration clientConfig = LettucePoolingClientConfiguration.builder()
.commandTimeout(Duration.ofMillis(timeout))
.poolConfig(poolConfig)
.build();
LettuceConnectionFactory factory = new LettuceConnectionFactory(redisConfiguration, clientConfig);
return factory;
}
} yml文件：
spring: redis: database: 0 # Redis默认情况下有16个分片，这里配置具体使用的分片，默认是0 host: 192.168.86.130 port: 6379 lettuce: # netty 线程安全的reids客户端 pool: max-active: 8 # 连接池最大连接数（使用负值表示没有限制） 默认 8 max-idle: 8 # 连接池中的最大空闲连接 默认 8 max-wait: -1 # 连接池最大阻塞等待时间（使用负值表示没有限制） 默认 -1 min-idle: 0 # 连接池中的最小空闲连接 默认 0 timeout: 10000 # 连接超时(ms)
如上配置，使用了连接池。
pom.xml如下：