Spring Data Redis切换底层Jedis和Lettuce实现源码解析

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-redis</artifactId>
  <version>3.1.0</version>
</dependency>

@Configuration
public class RedisTemplateConfig {

    @Bean
    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
        return redisTemplate;
    }
}

spring:
  data:
    redis:
      host: localhost
      port: 6379
      database: 1

@SpringBootTest
public class RedisTemplateTest {
    @Resource
    private RedisTemplate<String, String> redisTemplate;
    @Test
    public void test_set() {
        redisTemplate.opsForValue().set("test-key", "test-value");
    }
    @Test
    public void test_get() {
        String value = redisTemplate.opsForValue().get("test-key");
        System.out.println(value);
    }
}

package org.springframework.boot.autoconfigure.data.redis;

@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(RedisClient.class)
@ConditionalOnProperty(name = "spring.data.redis.client-type", havingValue = "lettuce", matchIfMissing = true)
class LettuceConnectionConfiguration extends RedisConnectionConfiguration {
  ...
}

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
    <exclusions>
        <exclusion>
            <groupId>io.lettuce</groupId>
            <artifactId>lettuce-core</artifactId>
        </exclusion>
    </exclusions>
</dependency>

<dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
</dependency>