RedisTemplate 怎么获取到链接信息？怎么获取到所有key？怎么获取指定key?

获取Redis的链接信息：

(RedisTemplate<String, ?> redisTemplate) {RedisConnectionFactory connectionFactory = redisTemplate.getConnectionFactory();(!(connectionFactory LettuceConnectionFactory)) {System..println();;}LettuceConnectionFactory lettuceConnectionFactory = (LettuceConnectionFactory) connectionFactory;RedisConnection connection = connectionFactory.getConnection();(connection == || connection.isClosed()) {System..println();} {System..println();String host = lettuceConnectionFactory.getHostName();port = lettuceConnectionFactory.getPort();System..println(+ host);System..println(+ port);System..println(+ connection.info());}
}

获取指定的key:

Set<String> (RedisTemplate<String, ?> redisTemplate) {ScanOptions scanOptions = ScanOptions.().match().count().build();Set<String> keys = redisTemplate.execute(connection -> {Set<[]> keysBytes = connection.keys(.getBytes());keysBytes.stream().map(String::).collect(Collectors.());}, );keys;
}

获取所有key:

Set<String> (RedisTemplate<String, ?> redisTemplate,String hashKey) {HashOperations<String, String, Object> hashOperations = redisTemplate.opsForHash();hashOperations.keys(hashKey);
}