def get_key(rdbConn,start):try:keys_list = rdbConn.scan(start,count=2000)return keys_listexcept Exception,e:print e
''' Redis DEBUG OBJECT command got key info '''
def get_key_info(rdbConn,keyName):try:rpiple = rdbConn.pipeline()rpiple.type(keyName)rpiple.debug_object(keyName)rpiple.ttl(keyName)key_info_list = rpiple.execute()return key_info_listexcept Exception,e:print "INFO : ",e
def redis_key_static(key_info_list):keyType = key_info_list[0]keySize = key_info_list[1]['serializedlength']keyTtl = key_info_list[2]key_size_static(keyType,keySize,keyTtl)

@ConfigurationProperties(prefix = "spring.redis.prefix")
public class RedisKeyPrefixProperties {private Boolean enable = Boolean.TRUE;private String key;public Boolean getEnable() {return enable;}public void setEnable(Boolean enable) {this.enable = enable;}public String getKey() {return key;}public void setKey(String key) {this.key = key;}
}
/*** @desc 对字符串序列化新增前缀* @author create by liming sun on 2020-07-21 14:09:51*/
public class PrefixStringKeySerializer extends StringRedisSerializer {private Charset charset = StandardCharsets.UTF_8;private RedisKeyPrefixProperties prefix;public PrefixStringKeySerializer(RedisKeyPrefixProperties prefix) {super();this.prefix = prefix;}@Overridepublic String deserialize(@Nullable byte[] bytes) {String saveKey = new String(bytes, charset);if (prefix.getEnable() != null && prefix.getEnable()) {String prefixKey = spliceKey(prefix.getKey());int indexOf = saveKey.indexOf(prefixKey);if (indexOf > 0) {saveKey = saveKey.substring(indexOf);}}return (saveKey.getBytes() == null ? null : saveKey);}@Overridepublic byte[] serialize(@Nullable String key) {if (prefix.getEnable() != null && prefix.getEnable()) {key = spliceKey(prefix.getKey()) + key;}return (key == null ? null : key.getBytes(charset));}private String spliceKey(String prefixKey) {if (StringUtils.isNotBlank(prefixKey) && !prefixKey.endsWith(":")) {prefixKey = prefixKey + "::";}return prefixKey;}
}

spring: redis: prefix:enable: truekey: E00P01
@Bean
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();redisTemplate.setConnectionFactory(redisConnectionFactory);// 支持key前缀设置的key SerializerredisTemplate.setKeySerializer(new PrefixStringKeySerializer());redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());return redisTemplate;
}