springboot 引入lettuce 自定义redis地址

大波V5

已于 2024-04-18 22:50:56 修改

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文章标签： spring boot redis java

于 2024-04-18 22:41:29 首次发布

本文链接：https://blog.youkuaiyun.com/qq_39763510/article/details/137940520

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本文介绍了如何在SpringBoot项目中配置和使用Redis，包括引入依赖、设置Redis连接参数、使用LettuceConnectionFactory和RedisTemplate，以及序列化策略。

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


import io.lettuce.core.ClientOptions;
import io.lettuce.core.SocketOptions;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisPassword;
import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
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.StringRedisSerializer;
import java.time.Duration;


@Configuration //配置类
@Slf4j
public class CacheRedisTemplateConfig{


    private String host="127.0.0.1";

    private Integer database=1;

    private Integer port=6379;

    private String password="12345678";

    @Bean(name = "redisTemplate")
    public RedisTemplate<String, Object> redisTemplate() {

        RedisTemplate<String, Object>  template = new RedisTemplate<>();
        // 配置连接工厂
        template.setConnectionFactory(lettuceConnectionFactory());
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        // key 都使用String 序列化方式
        template.setKeySerializer(stringRedisSerializer);
        template.setHashKeySerializer(stringRedisSerializer);
        GenericJackson2JsonRedisSerializer genericJackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer();
        template.setHashValueSerializer(genericJackson2JsonRedisSerializer);
        template.setValueSerializer(genericJackson2JsonRedisSerializer);
        template.afterPropertiesSet();
        return template;
    }

    public LettuceConnectionFactory lettuceConnectionFactory(){
        RedisStandaloneConfiguration config = new RedisStandaloneConfiguration();
        config.setHostName(host);
        config.setPort(port);
        config.setPassword(RedisPassword.of(password));
        config.setDatabase(database);
        SocketOptions socketOptions = SocketOptions.builder().connectTimeout(Duration.ofMillis(600)).build();
        ClientOptions standaloneClientOptions = ClientOptions.builder()
                .socketOptions(socketOptions)
                .build();
        GenericObjectPoolConfig genericObjectPoolConfig = new GenericObjectPoolConfig();
        genericObjectPoolConfig.setMaxIdle(10);
        genericObjectPoolConfig.setMinIdle(5);
        genericObjectPoolConfig.setMaxTotal(100);
        genericObjectPoolConfig.setMaxWaitMillis(5000);
        genericObjectPoolConfig.setTimeBetweenEvictionRunsMillis(1000);
        LettuceClientConfiguration clientConfig = LettucePoolingClientConfiguration.builder()
                .commandTimeout(Duration.ofSeconds(1))
                .shutdownTimeout(Duration.ofMillis(100))
                .poolConfig(genericObjectPoolConfig)
                .clientOptions(standaloneClientOptions)
                .build();
        LettuceConnectionFactory lettuceConnectionFactory =  new LettuceConnectionFactory(config,clientConfig);
        lettuceConnectionFactory.afterPropertiesSet();
        return lettuceConnectionFactory;
    }
}