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Springboot Redis设置key前缀的方法步骤

作者:will的猜想

这篇文章主要介绍了Springboot Redis设置key前缀的方法步骤,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧

properties中配置

#redis
redis.masterClusterNodes=10.40.57.197:7000;10.40.57.198:7002;10.40.57.199:7004
redis.slaveClusterNodes=10.40.57.197:7001;10.40.57.198:7003;10.40.57.199:7005
redis.maxTotal=50
redis.maxIdle=10
redis.minIdle=1
redis.maxWaitMillis=1000
redis.testOnBorrow=true
redis.testOnReturn=true
redis.timeout=10000
redis.lockExpireSeconds=5
redis.soTimeout=1000
redis.maxAttempts=3
redis.password=123456
redis.clientName=clientName
 
redis.keyPrefix=0000-->

读取配置文件内容:

@Component
@ConfigurationProperties(prefix = "redis")
@PropertySource("classpath:redis.properties")
public class RedisProperties {
    /**
     * master 节点数据
     */
    private String masterClusterNodes;
    /**
     * slave 节点数据
     */
    private String slaveClusterNodes;
    /**
     * 连接超时时间
     */
    private int timeout;
    /**
     * 获取数据超时时间
     */
    private int soTimeout;
    /**
     * 出现异常最大重试次数
     */
    private int maxAttempts;
    /**
     * 连接时使用的密码
     */
    private String password;
 
    private int maxTotal;
    private int maxIdle;
    private int minIdle;
    private int maxWaitMillis;
 
    private boolean testOnBorrow;
    private boolean testOnReturn;
 
    /**
     * key前缀
     */
    private String keyPrefix;
    sets,gets
    
}

自定义StringSerializer

这个还是需要优化的

@Component
public class MyStringSerializer implements RedisSerializer<String> {
 
    private final Logger logger = LoggerFactory.getLogger ( this.getClass () );
 
    @Autowired
    private RedisProperties redisProperties;
 
    private final Charset charset;
 
    public MyStringSerializer() {
        this ( Charset.forName ( "UTF8" ) );
    }
 
    public MyStringSerializer(Charset charset) {
        Assert.notNull ( charset, "Charset must not be null!" );
        this.charset = charset;
    }
 
    @Override
    public String deserialize(byte[] bytes) {
        String keyPrefix = redisProperties.getKeyPrefix ();
        String saveKey = new String ( bytes, charset );
        int indexOf = saveKey.indexOf ( keyPrefix );
        if (indexOf > 0) {
            logger.info ( "key缺少前缀" );
        } else {
            saveKey = saveKey.substring ( indexOf );
        }
        logger.info ( "saveKey:{}",saveKey);
        return (saveKey.getBytes () == null ? null : saveKey);
    }
 
    @Override
    public byte[] serialize(String string) {
        String keyPrefix = redisProperties.getKeyPrefix ();
        String key = keyPrefix + string;
        logger.info ( "key:{},getBytes:{}",key, key.getBytes ( charset ));
        return (key == null ? null : key.getBytes ( charset ));
    }
}

redisConfig 配置
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {
 
    private final Logger logger = LoggerFactory.getLogger ( this.getClass () );
 
    @Autowired
    private RedisProperties redisProperties;
    @Autowired
    private MyStringSerializer myStringSerializer;
    
    @Bean
    public JedisConnectionFactory jedisConnectionFactory() {
        JedisConnectionFactory jedisConnectionFactory = new JedisConnectionFactory ( redisClusterConfiguration (),
                jedisPoolConfig () );
        jedisConnectionFactory.setPassword ( redisProperties.getPassword () );
        jedisConnectionFactory.setTimeout ( redisProperties.getTimeout () );
        return jedisConnectionFactory;
    }
 
    @Bean
    public RedisClusterConfiguration redisClusterConfiguration() {
        String[] ipPorts = redisProperties.getClusterNodes ().split ( ";" );
        RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration ( Arrays.asList ( ipPorts
        ) );
        return redisClusterConfiguration;
    }
 
    @Bean
    public JedisPoolConfig jedisPoolConfig() {
        JedisPoolConfig jedisPoolConfig = BeanMapperUtil.map ( redisProperties,
                JedisPoolConfig.class );
        return jedisPoolConfig;
    }
 
 
    /**
     * 配置cacheManage
     * 设置超时时间  1小时
     *
     * @param redisTemplate
     * @return
     */
    @Bean
    public CacheManager cacheManager(RedisTemplate redisTemplate) {
        RedisCacheManager redisCacheManager = new RedisCacheManager ( redisTemplate );
        redisCacheManager.setDefaultExpiration ( 60 * 60 );
        return redisCacheManager;
    }
 
    @Bean
    public RedisTemplate<String, String> redisTemplate() {
        StringRedisTemplate template = new StringRedisTemplate ( jedisConnectionFactory () );
        Jackson2JsonRedisSerializer 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 );
        template.setKeySerializer ( myStringSerializer );
        template.setHashKeySerializer ( myStringSerializer );
        template.setValueSerializer ( jackson2JsonRedisSerializer );
        template.afterPropertiesSet ();
        return template;
    }
}

到此这篇关于Springboot Redis设置key前缀的方法步骤的文章就介绍到这了,更多相关Springboot Redis key前缀内容请搜索脚本之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持脚本之家! 

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