Spring Redis自定义配置类

@Configuration
public class RedisConfig {
    
    

    @Value("${spring.redis.database}")
    private int database;

    @Value("${spring.redis.host}")
    private String host;

    @Value("${spring.redis.password}")
    private String password;

    @Value("${spring.redis.port}")
    private int port;

    @Value("${spring.redis.timeout}")
    private long timeout;

    @Value("${spring.redis.lettuce.pool.max-idle}")
    private int maxIdle;

    @Value("${spring.redis.lettuce.pool.min-idle}")
    private int minIdle;

    @Value("${spring.redis.lettuce.pool.max-active}")
    private int maxActive;

    @Value("${spring.redis.lettuce.pool.max-wait}")
    private long maxWait;


    @Bean
    public LettuceConnectionFactory lettuceConnectionFactory() {
    
    
        /* ========= 连接池通用配置 ========= */
        GenericObjectPoolConfig<Object> genericObjectPoolConfig = new GenericObjectPoolConfig<>();
        genericObjectPoolConfig.setMaxTotal(maxActive);
        genericObjectPoolConfig.setMinIdle(minIdle);
        genericObjectPoolConfig.setMaxIdle(maxIdle);
        genericObjectPoolConfig.setMaxWaitMillis(maxWait);

        RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();
        redisStandaloneConfiguration.setDatabase(database);
        redisStandaloneConfiguration.setHostName(host);
        redisStandaloneConfiguration.setPort(port);
        redisStandaloneConfiguration.setPassword(RedisPassword.of(password));

        /* ========= lettuce pool ========= */
        LettuceClientConfiguration clientConfig = LettucePoolingClientConfiguration.builder()
                // 超时关键代码
                .commandTimeout(Duration.ofMillis(timeout))
                .poolConfig(genericObjectPoolConfig)
                .build();

        return new LettuceConnectionFactory(redisStandaloneConfiguration, clientConfig);
    }

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
    
    
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(connectionFactory);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new StringRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        // 这个地方不可使用 json 序列化，如果使用的是ObjectRecord传输对象时，可能会有问题，会出现一个 java.lang.IllegalArgumentException: Value must not be null! 错误
        redisTemplate.setHashValueSerializer(RedisSerializer.string());
        return redisTemplate;
    }
    

}